Memory and Brain Development Across Lifespan
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Questions and Answers

What is the significance of fetal learning regarding a mother's voice?

  • It starts occurring shortly after birth.
  • It begins shortly before birth. (correct)
  • It is associated with a decline in memory performance.
  • It has no impact on later behavior.

At what age do infants typically start associating kicking with the movement of an overhead mobile?

  • 2 months old (correct)
  • 6 months old
  • 4 months old
  • 1 month old

What is the average brain weight of a newborn, according to the provided information?

  • 999 grams
  • 500 grams
  • 750 grams
  • 333 grams (correct)

What percentage of increased attentional problems is associated with each additional hour of television watched by children?

<p>10% (B)</p> Signup and view all the answers

What was the average age at which children started watching television in 2000?

<p>4 months (A)</p> Signup and view all the answers

Which TV program reportedly had no impact on attentional issues?

<p>Mr. Rogers' Neighborhood (B)</p> Signup and view all the answers

What type of content is associated with an increase in language performance among children?

<p>Educational content (B)</p> Signup and view all the answers

At what age does the average newborn brain weigh approximately 999 grams?

<p>2 years (B)</p> Signup and view all the answers

What is the impact of watching Baby Einstein on attentional issues as stated?

<p>Increase by 60% (D)</p> Signup and view all the answers

What is true regarding the stages of memory in infants compared to adults?

<p>They are consistent with adult memory structure. (D)</p> Signup and view all the answers

What is a key characteristic of emotionally negative memories?

<p>They are harder to forget and have survival value. (A)</p> Signup and view all the answers

Which process involves the relearning of previously acquired information?

<p>Reacquisition (A)</p> Signup and view all the answers

What term describes the phenomenon that suggests memories can be temporarily suppressed but not forgotten?

<p>Suppression (D)</p> Signup and view all the answers

What does the information processing approach to memory emphasize?

<p>The categorization and relationship of different types of memory. (C)</p> Signup and view all the answers

Which type of cue involves specifics in the environment for memory retrieval?

<p>Reinstatement (C)</p> Signup and view all the answers

How do neurons behave in the context of memory formation?

<p>Changes occur as memories form and connections strengthen. (D)</p> Signup and view all the answers

Which of the following statements reflects the concept of metacognition?

<p>Thinking processes can be monitored and regulated. (C)</p> Signup and view all the answers

Which memory type is often described as a process rather than a fixed entity?

<p>All memory types (B)</p> Signup and view all the answers

What tends to influence what individuals pay attention to in memories?

<p>Novelty and personal relevance. (C)</p> Signup and view all the answers

Which aspect contributes to the construction of personality and identity through memory?

<p>Emotionally impactful and relatable memories. (D)</p> Signup and view all the answers

What effect does overstimulation have on recognition memory in mice?

<p>It causes decreased recognition of familiar objects. (C)</p> Signup and view all the answers

How is attention related to memory based on the behaviors observed in control mice?

<p>Increased attention correlates with memory improvement. (D)</p> Signup and view all the answers

Which of the following statements is most accurate regarding the effect of fast-paced television shows?

<p>They are associated with increased risk of attentional problems. (A)</p> Signup and view all the answers

What is the likely outcome of a mouse experiencing hyperactivity in a maze task?

<p>Inability to find the correct hole. (A)</p> Signup and view all the answers

What cognitive strategy involves grouping information into manageable chunks?

<p>Chunking (D)</p> Signup and view all the answers

What behavior do overstimulated mice display during novel object recognition tests?

<p>Shorter duration spent exploring new objects. (A)</p> Signup and view all the answers

In the context of memory processing, what is meant by 'confabulation'?

<p>The act of making up memories without malicious intent. (D)</p> Signup and view all the answers

What aspect of memory is significantly affected by hyperactivation in stimulating environments?

<p>Recognition memory. (C)</p> Signup and view all the answers

Which process refers to initial sensory input capturing one's attention based on its features?

<p>Bottom-up processing (C)</p> Signup and view all the answers

Which type of behavior is likely observed in mice with attentional deficits after exposure to overstimulation?

<p>Increased risk-taking behaviors. (D)</p> Signup and view all the answers

What characterizes working memory compared to sensory memory?

<p>Can be consciously controlled and lasts for minutes (C)</p> Signup and view all the answers

What does the single systems model suggest about memory processing?

<p>The hippocampus supports encoding, storing, and retrieving memories (B)</p> Signup and view all the answers

Which of the following best describes the concept of 'negative entropy' in relation to memory?

<p>The ability of memory to maintain organization despite challenges (C)</p> Signup and view all the answers

Which process is essential for transferring information from short-term memory to long-term memory?

<p>Repetition of information (B)</p> Signup and view all the answers

What factor can influence gene expression related to memory and behavior?

<p>Environmental conditions and parental influence (D)</p> Signup and view all the answers

In the context of memory traces, what does the multiple trace theory propose?

<p>Each memory creates a unique trace involving the hippocampus to some extent (C)</p> Signup and view all the answers

How can meaningful learning aid in memory retention?

<p>Through visual and organizational techniques (C)</p> Signup and view all the answers

What is a significant challenge of digital memory storage?

<p>It may lead to over-reliance on external sources (C)</p> Signup and view all the answers

Why is repetition considered a critical principle in memory?

<p>It reinforces the details of memories through practice (A)</p> Signup and view all the answers

What role does observation of one's own mental processes play in understanding memory?

<p>It provides insights into cognitive functions and memory systems (D)</p> Signup and view all the answers

What is a significant drawback of using functional MRI (fMRI) in research?

<p>It has poor temporal resolution. (C)</p> Signup and view all the answers

Which factor contributes to the complexity of transforming raw brain imaging data into comprehensible results?

<p>The numerous assumptions and software available. (A)</p> Signup and view all the answers

What does diffusion imaging primarily measure in brain studies?

<p>The movement of water molecules in different directions. (D)</p> Signup and view all the answers

In the context of brain imaging, what aspect of resolution is noted as poor for fMRI?

<p>Temporal resolution. (D)</p> Signup and view all the answers

Which of the following is a characteristic of changes in neural activity as observed in imaging studies?

<p>They often reflect activities related to attention and memory. (D)</p> Signup and view all the answers

What primary advantage does high spatial resolution imaging offer compared to CT scans?

<p>Greater detail in the visualization of neural structures. (B)</p> Signup and view all the answers

What factor challenges the maintenance and operation of fMRI equipment?

<p>The advanced technology required for imaging. (D)</p> Signup and view all the answers

What relationship has been observed regarding higher brain function?

<p>It is linked with synapses and neuronal connections. (A)</p> Signup and view all the answers

In what way does diffusion imaging differ from traditional structural imaging?

<p>It evaluates the movement of water molecules in the brain. (A)</p> Signup and view all the answers

Which aspect is NOT a concern when using advanced brain imaging techniques?

<p>The simplicity of imaging technology. (A)</p> Signup and view all the answers

What is a potential outcome when using intentional suppression strategies in memory retrieval?

<p>Deficit in memory for no-think items (B)</p> Signup and view all the answers

What mechanism is suggested to help individuals stop thinking about harmful or negative memories?

<p>Motor inhibition (A)</p> Signup and view all the answers

What does the term 'meta plasticity' refer to in the context of memory?

<p>Altering memories by updating them with new information (A)</p> Signup and view all the answers

In memory reconstruction, what can lead individuals to create false memories?

<p>Inaccurate cues or context provided (A)</p> Signup and view all the answers

What was the second strategy mentioned for visualizing memory suppression?

<p>Writing memories on a chalkboard (D)</p> Signup and view all the answers

What aspect of memory is primarily challenged when engaging in no-go tasks?

<p>The intentional retrieval of memories (D)</p> Signup and view all the answers

What characteristic is common between the mechanisms for stopping harmful thoughts and physical reactions?

<p>Shared neural pathways (A)</p> Signup and view all the answers

Which factor is likely to influence how well individuals remember items in think/no think groups during memory tasks?

<p>The emotional weight of the memories (B)</p> Signup and view all the answers

Which factor plays a crucial role in determining the strength of an extinction memory compared to an original memory?

<p>The context in which learning occurs (C)</p> Signup and view all the answers

Which of the following statements is true about the process of relearning in memory?

<p>Relearning is generally quicker than the original learning process (B)</p> Signup and view all the answers

What happens to an extinction memory when exposed to original cues?

<p>It may reemerge after being dormant (A)</p> Signup and view all the answers

In the context of extinction learning, which is NOT an important factor related to the hippocampus?

<p>Modulating emotional responses during extinction (C)</p> Signup and view all the answers

Which statement correctly describes the relationship between original and extinction learning memories?

<p>The original memory can outcompete during extinction learning (C)</p> Signup and view all the answers

Which level of categorization represents the most general classification?

<p>Superordinate (D)</p> Signup and view all the answers

Which type of neural response is essential when recalling a concept using sensory systems?

<p>Bi-directional connection (C)</p> Signup and view all the answers

What aspect influences the sequence in which concepts are activated within memory?

<p>Order of sensory input (C)</p> Signup and view all the answers

Which example illustrates the principle of multi-modal nodes responding to sensory inputs?

<p>Recognizing Halle Berry by both name and image (C)</p> Signup and view all the answers

What differentiates living from non-living category maps in the brain?

<p>Distinct activation patterns (D)</p> Signup and view all the answers

Which cognitive process pertains to the coordination of different areas to form concepts over time?

<p>Schema formation (B)</p> Signup and view all the answers

What is a common difficulty faced when naming animals compared to non-living objects?

<p>Categorical distinctions (C)</p> Signup and view all the answers

What role does the episodic buffer play in memory recall?

<p>Integrates multi-sensory information (D)</p> Signup and view all the answers

What is the primary role of the hippocampus and medial temporal lobes in memory retrieval?

<p>They are heavily engaged for items remembered later. (C)</p> Signup and view all the answers

How do internal cues differ from external cues in memory retrieval?

<p>Internal cues act through a top-down processing approach. (C)</p> Signup and view all the answers

What effect does multitasking have on memory strength according to the provided information?

<p>It diminishes the encoding strength of memories. (D)</p> Signup and view all the answers

What phenomenon occurs when one recalls more items by changing perspectives during retrieval?

<p>Expanded associative recall. (A)</p> Signup and view all the answers

What is implied by the term 'super additive' in relation to memory recall?

<p>It suggests that retrieval cues can collectively improve recall beyond their individual effects. (B)</p> Signup and view all the answers

What happens to weakly encoded memories when strong retrieval cues are present?

<p>The memory trace may still remain inactive despite the cues. (A)</p> Signup and view all the answers

What does interference resolution entail in the context of memory retrieval?

<p>Inhibiting other associations that arise during recall. (C)</p> Signup and view all the answers

What is the relationship between the activity in brain areas and memory strength?

<p>Greater activity in brain areas indicates greater strength of encoded items. (C)</p> Signup and view all the answers

What happens to a memory trace during the process of retrieval?

<p>It is rendered temporarily more modifiable. (A)</p> Signup and view all the answers

What best describes the result of forming a new memory trace during extinction?

<p>It creates a competing memory trace. (B)</p> Signup and view all the answers

Which statement accurately reflects the role of familiarity distributions for items in memory processing?

<p>Old and new items have distinct familiarity distributions. (B)</p> Signup and view all the answers

In the context of conditioning, what happens when a conditioned stimulus ceases to be associated with an unconditioned stimulus?

<p>Extinction of the conditioned response occurs. (C)</p> Signup and view all the answers

What aspect of memory does the process of retrieval MOST influence?

<p>The modifiability of the memory during reactivation. (D)</p> Signup and view all the answers

How does chronic stress affect memory according to the content provided?

<p>It triggers the reinstatement of original memories. (B)</p> Signup and view all the answers

What role does the amygdala play in memory processing?

<p>Houses both extinction and conditioning memories. (A)</p> Signup and view all the answers

What factor can contribute to the fading of unique sensory experiences over time?

<p>Lack of engagement with those experiences. (C)</p> Signup and view all the answers

In the example provided about reconstructing information, who is more likely to recall correctly and why?

<p>You, due to the memorable association with the occupation. (B)</p> Signup and view all the answers

What is a potential consequence of trying too hard for memory retrieval?

<p>It leads to memory blocking and distractors. (C)</p> Signup and view all the answers

What is the recommended approach to improve material retention according to the content?

<p>Review material regularly. (D)</p> Signup and view all the answers

What does an increase in dendritic branching/spines indicate in contrast to chronic stress effects?

<p>Healthy cognitive functioning and memory capacity. (D)</p> Signup and view all the answers

How can external memory aids impact memory retrieval?

<p>They serve as cues to trigger recall. (D)</p> Signup and view all the answers

How is the organization of information in memory primarily structured?

<p>Based on semantic relatedness (B)</p> Signup and view all the answers

What effect does a stronger association have on recall speed?

<p>It improves recall speed (B)</p> Signup and view all the answers

What does the term 'double dissociation' imply in the context of memory and attention?

<p>A deficit in one may occur without a deficit in the other (D)</p> Signup and view all the answers

What does the term 'semantic buffer' refer to in memory processes?

<p>A temporary space for sensory input from the five senses (B)</p> Signup and view all the answers

Which concept describes the quicker connection to typical items in a category compared to atypical items?

<p>Spreading activation (A)</p> Signup and view all the answers

What role does 'spreading activation' play in memory retrieval?

<p>It can activate unexpected concepts linked to a target concept (A)</p> Signup and view all the answers

In memory processing, what does a 'weaker association' indicate about recall efficiency?

<p>It results in longer retrieval times (B)</p> Signup and view all the answers

How does the organization of long-term memories generally minimize storage needs?

<p>By using hierarchical structures of related concepts (D)</p> Signup and view all the answers

Which statement accurately reflects the concept of second-order conditioning?

<p>It involves pairing a conditioned stimulus with another neutral stimulus to elicit a response. (B)</p> Signup and view all the answers

What best characterizes the phrase 'neurons that fire together wire together'?

<p>Repetitive activation of neurons strengthens their connections. (C)</p> Signup and view all the answers

Which process involves modifying the excitability of neurons through experience?

<p>Neural plasticity. (B)</p> Signup and view all the answers

What is the primary implication of perceptual priming in memory processing?

<p>It improves recognition of previously encountered sensory stimuli. (B)</p> Signup and view all the answers

Which of the following describes a routine that does not require conscious memory?

<p>Automatic behaviors acquired through repetition. (A)</p> Signup and view all the answers

What is the primary benefit of distributed practice in memory retention?

<p>It promotes better consolidation of memories over time. (D)</p> Signup and view all the answers

Which factor significantly impacts memory trace stabilization?

<p>Intention during the learning process. (D)</p> Signup and view all the answers

What effect does massed practice have on memory according to the content?

<p>It can lead to the illusion of knowing. (C)</p> Signup and view all the answers

Which type of learning is associated with the pavlovian principle mentioned in the content?

<p>Associative learning. (B)</p> Signup and view all the answers

What is a key outcome of not revisiting incorrect answers during recall?

<p>Potential consolidation of incorrect answers. (D)</p> Signup and view all the answers

What aspect of memory is suggested to be independent of the hippocampus?

<p>Memory trace stabilization. (C)</p> Signup and view all the answers

What misconception is often associated with massed practice during learning sessions?

<p>It can create a false sense of proficiency. (B)</p> Signup and view all the answers

Which of the following describes the concept of the lag effect in memory retention?

<p>Too short or too long intervals can harm memory retention. (C)</p> Signup and view all the answers

What characteristic is associated with implicit learning as mentioned in the content?

<p>Can enhance cognitive skills through repeated exposure. (D)</p> Signup and view all the answers

What is indicated as a key method to prevent the loss of memory according to the content?

<p>Linking new information with old memories. (B)</p> Signup and view all the answers

What term describes the phenomenon where memories are strengthened each time they are recalled?

<p>Reconsolidation (C)</p> Signup and view all the answers

Which brain structure is primarily associated with the emotional significance of episodic memory?

<p>Amygdala (B)</p> Signup and view all the answers

What relationship does the phrase 'neurons that fire together wire together' imply?

<p>Associative learning occurs through simultaneous activation (B)</p> Signup and view all the answers

What is the primary role of coincidence detectors in neural processing?

<p>To detect simultaneous occurrences in events (A)</p> Signup and view all the answers

Which term describes the framework used to connect new information to prior knowledge?

<p>Schema (D)</p> Signup and view all the answers

Hemispheric asymmetry in memory refers to the specialization of which sides of the brain?

<p>Left side for encoding and right side for retrieval (D)</p> Signup and view all the answers

What does enhanced synaptic connectivity primarily facilitate?

<p>Long-term potentiation and memory formation (D)</p> Signup and view all the answers

What is one possible consequence of diaschisis in memory processing?

<p>Loss of functional processing due to brain damage (A)</p> Signup and view all the answers

What is the primary difference between hippocampal-dependent and hippocampal-independent memory?

<p>Hippocampal-dependent memory involves the recall of episodic experiences. (A)</p> Signup and view all the answers

What does the concept of metacognition involve?

<p>Understanding and controlling one's own learning processes (C)</p> Signup and view all the answers

Which strategy is NOT part of the M.O.V.E mnemonic for enhancing memory?

<p>Orderly (A)</p> Signup and view all the answers

What does the process of extinction do to a memory?

<p>It weakens the memory so it becomes less accessible. (C)</p> Signup and view all the answers

Which of the following is an example of non-intentional learning?

<p>Acquiring language through everyday conversation (C)</p> Signup and view all the answers

What can enhance memory retention when new information is organized logically?

<p>Utilizing schemas to link concepts (B)</p> Signup and view all the answers

What aspect of retrieval experiences is primarily involved in linking dates with events?

<p>Consolidation during sleep (A)</p> Signup and view all the answers

What could be a potential consequence of fewer spindles during sleep?

<p>Weaker memory consolidation (A)</p> Signup and view all the answers

What is a significant challenge that can affect the retrieval of memories?

<p>Anxiety and depression (A)</p> Signup and view all the answers

How might the use of training or medication affect spindles during sleep?

<p>Increase the number of spindles (A)</p> Signup and view all the answers

What does the game board metaphor represent in the context of retrieval experience?

<p>Structured paths for memory recall (A)</p> Signup and view all the answers

What role does emotional valence play in recalling memories?

<p>It influences the level of importance assigned to an event. (D)</p> Signup and view all the answers

How does stress affect memory consolidation?

<p>It disrupts the consolidation process, hindering memory formation. (B)</p> Signup and view all the answers

Which brain structure is primarily involved in the reactivation of memories during sleep?

<p>Hippocampus (D)</p> Signup and view all the answers

What impact does having more control over an event have on memory retention?

<p>It enhances the emotional weight of the memory. (A)</p> Signup and view all the answers

What is a potential mechanism associated with emotional disorders like depression?

<p>Diminished connectivity to autobiographical memory. (B)</p> Signup and view all the answers

What phenomenon might explain the tendency to remember significant life events clearly?

<p>Emotional arousal and the associated memory enhancement. (C)</p> Signup and view all the answers

How do different pathways contribute to memory retrieval?

<p>They provide alternative routes for accessing stored memories. (C)</p> Signup and view all the answers

What characterizes the brain's default mode network?

<p>It mediates attention and personal semantic processing. (C)</p> Signup and view all the answers

What does research suggest about the positivity bias in memory?

<p>It assists individuals in combating existential despair. (A)</p> Signup and view all the answers

Which of the following describes a significant childhood memory milestone?

<p>Linked to experiences during preadolescence and hormonal changes. (A)</p> Signup and view all the answers

What is a consequence of decreased positive memory connections?

<p>Difficulty stopping negative thinking patterns. (A)</p> Signup and view all the answers

Which aspect of memory processing does sleep particularly enhance?

<p>Reactivation and consolidation of existing memories. (A)</p> Signup and view all the answers

What is the significance of cues in the environment for memory recall?

<p>They act as triggers that can facilitate the recall of specific memories. (D)</p> Signup and view all the answers

What is the relationship between autobiographical memories and self-identity?

<p>They are foundational in constructing one’s personality and understanding. (B)</p> Signup and view all the answers

What is a likely result of central executive functioning being overtasked?

<p>Decrease in accuracy (C)</p> Signup and view all the answers

Which approach to attention involves integrating prior knowledge to influence perception?

<p>Top-down processing (D)</p> Signup and view all the answers

What type of memory binding is associated with connecting information in meaningful ways?

<p>Semantic binding (A)</p> Signup and view all the answers

Which age group is noted to have the most effective memory retention?

<p>Ages 15-30 (B)</p> Signup and view all the answers

What effect does finding information interesting have on attention?

<p>Increases engagement (A)</p> Signup and view all the answers

What cognitive process is primarily involved when one connects a place with an action visually?

<p>Cognitive mapping (A)</p> Signup and view all the answers

Which of the following best describes the function of 'binding' in memory?

<p>Creating meaningful connections (A)</p> Signup and view all the answers

What is a potential impact of enhancing memory performance only to a small degree?

<p>Marginal benefits in learning (A)</p> Signup and view all the answers

What is the primary characteristic of the iconic sensory store?

<p>Immediate processing of visual information lasting milliseconds (C)</p> Signup and view all the answers

Which concept refers to the depth of processing information for more effective memory formation?

<p>Principle of levels of processing (D)</p> Signup and view all the answers

Which of the following tasks is least likely to overburden the intentional system in working memory?

<p>Listening to background music while studying (B)</p> Signup and view all the answers

What is a major factor influencing the performance of association learning in language acquisition?

<p>Semantic coding of meaning behind words (B)</p> Signup and view all the answers

Which process is more reflective of bottom-up attention rather than top-down attention?

<p>Noticing a flashing light in the periphery of vision (C)</p> Signup and view all the answers

What might be a consequence of impairments in the general working memory system?

<p>Difficulty with comprehension of new concepts (A)</p> Signup and view all the answers

Why is the identification of tasks like reasoning and digit repetition critical in working memory studies?

<p>They clarify the relationship between intention and long-term memory access. (A)</p> Signup and view all the answers

Which strategy is least effective when trying to enhance retention of information for long-term memory?

<p>Relying on rote memorization without understanding (A)</p> Signup and view all the answers

What is a significant requirement for the central executive in memory processing?

<p>To apply conscious control (A)</p> Signup and view all the answers

Gaps in memory are typically filled in through which mechanism?

<p>Construction of plausible details (C)</p> Signup and view all the answers

What cognitive strategy enhances memory by connecting information meaningfully?

<p>Binding (D)</p> Signup and view all the answers

Which approach focuses on how external features influence attention?

<p>Bottom up approach (A)</p> Signup and view all the answers

Enhancing memory performance is suggested to occur to what extent?

<p>To a small degree (C)</p> Signup and view all the answers

Factors affecting attention and memory retention include which of the following elements?

<p>Emotional arousal related to the material (B)</p> Signup and view all the answers

What results from an overstimulated environment regarding memory retrieval?

<p>Difficulty with recognition memory (B)</p> Signup and view all the answers

Which memory process involves temporary visual storage before information is processed further?

<p>Iconic processes (D)</p> Signup and view all the answers

What age group is identified as having the strongest memory retention?

<p>15-30 years (C)</p> Signup and view all the answers

What type of memory is characterized by the conscious recall of facts and events?

<p>Explicit memory (D)</p> Signup and view all the answers

Which processing principle suggests that deeper engagement with material leads to better retention?

<p>Principle of levels of processing (D)</p> Signup and view all the answers

In the context of working memory, what does the term 'limited capacity' imply?

<p>Working memory can only hold a certain number of items at one time. (C)</p> Signup and view all the answers

Which of the following best describes the role of association learning in memory formation?

<p>It involves forming connections based on meaning or context. (B)</p> Signup and view all the answers

Which memory process enables the retrieval of long-term memory through cues and context?

<p>Top-down processing (B)</p> Signup and view all the answers

What is the implication of overload on the intentional system in memory processing?

<p>Decreased comprehension and attention (C)</p> Signup and view all the answers

Which cognitive task involves the verification of relational statements about sequences?

<p>Reasoning tasks (B)</p> Signup and view all the answers

Flashcards

Perinatal Learning

The most rapid learning period that occurs right before and after birth.

Fetal Learning

Learning that takes place before birth, starting very early in gestation.

Infantile Learning

Learning in infants, demonstrating the ability to learn and remember even at a young age.

Memory Stages in Infants

Infants develop and utilize memory in stages, similar to adults.

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Working Memory in Infants

Infants have limited working memory capacity, which develops over time.

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Brain Growth in Infants

A newborn's brain triples in size by the age of two.

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Early TV Exposure and Attention

Exposure to TV at a young age, especially non-educational content, can negatively impact attention.

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TV Content and Attention

Different TV content has different effects on attention. Educational content is associated with positive outcomes.

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Early TV Exposure and Language Development

Exposure to TV, especially educational content, can positively impact language development.

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Early Childhood Experiences and Learning

Early childhood experiences play a significant role in shaping learning and development, impacting skills, knowledge, and future success.

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fMRI

A neuroimaging technique that measures brain activity by detecting changes in blood flow.

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CT Scan

A neuroimaging technique that uses X-rays to create detailed images of the brain.

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PET Scan

A neuroimaging technique that uses radioactive tracers to measure brain activity.

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Diffusion Tensor Imaging (DTI)

A neuroimaging technique that measures the movement of water molecules in the brain to track nerve fiber pathways.

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High Spatial Resolution

The ability to distinguish between two closely spaced objects or points in an image.

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Poor Temporal Resolution

The inability to precisely track events in time, resulting in a blurry image of how things change over time.

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Synaptic Plasticity

The ability of synapses, the connections between neurons, to strengthen or weaken over time.

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Animal Models in Neuroscience

Using animals to study brain function and behavior.

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Dopamine Neurons

Brain cells that produce and release dopamine, a neurotransmitter involved in reward, motivation, and movement.

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Substance Abuse Research

Using animal models to study the effects of drugs on the brain and behavior.

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Overstimulation

Exposure to excessive sensory input, affecting attention and memory negatively.

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Overstimulation Effects

Overstimulation leads to reduced memory capacity, increased hyperactivity, and risk-taking behavior.

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Bottom-Up Processing

Attention driven by external stimuli that capture our senses.

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Chunking

Organizing information into meaningful groups to improve memory.

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Transforming

Applying knowledge to novel situations, adapting to changes, and solving problems.

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Habituation

Decreasing response to a repeated stimulus, indicating recognition and memory.

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Confabulation

Fabricating false memories to fill in gaps in memory.

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Approach/Avoid

Two fundamental responses to stimuli: moving towards or away, based on past experiences.

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Memory and Attention

Intertwined cognitive processes, where attention influences memory and vice versa.

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Stimulus

Any event or input that triggers a response in the nervous system.

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Metacognition

The awareness and understanding of one's own thought processes. It involves monitoring, regulating, and controlling one's thinking.

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Emotional Memory

Memories linked to strong emotions, especially negative ones, are more vivid and lasting. This is due to their survival value.

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Epiphenomenon

A secondary phenomenon that accompanies a primary event but has no causal influence on it. For example, the feeling of happiness associated with eating is an epiphenomenon.

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Memory's Temporal and Spatial Aspect

Memories are not static but exist in time and space. They are constantly changing and moving within the brain.

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Suppressed Memories

Memories that are not forgotten but are actively suppressed or outcompeted by newer, stronger memories.

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Spontaneous Recovery

The reappearance of a forgotten memory without any external cues or prompts. It is a random and unexpected phenomenon.

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Memory Cue

Anything that helps to retrieve a memory. It can be a specific context, a visual object, or any relevant information.

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Renewal (Memory Cue)

A memory is retrieved by returning to the original context or environment where it was originally formed.

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Reinstatement (Memory Cue)

A specific element from the original memory is used as a cue to retrieve the whole memory.

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Reacquisition (Memory Cue)

Relearning something that was previously learned but forgotten. It requires less time and effort than the initial learning.

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Sensory Memory

The briefest form of memory, holding sensory information for a few seconds. It's an initial processing stage for all sensory input.

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Working Memory

The active memory system that holds information for a short time (minutes), allowing us to manipulate and process it. It's like a mental workspace.

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Long-Term Memory

The storage system for information that can be retained indefinitely. It's where our knowledge, experiences, and skills are stored.

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Explicit/Semantic Memory

A type of long-term memory that stores factual information (e.g., names, dates, concepts) consciously.

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Implicit Memory

A type of long-term memory that stores procedural skills and habits (e.g., riding a bike, typing), often unconsciously.

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Episodic Memory

A type of explicit memory that stores personal experiences and events, often tied to specific times and places.

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Procedural Memory

A type of implicit memory that stores motor skills and habits.

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Single Systems Model (Memory)

This model suggests that there's one main brain region (the hippocampus) responsible for encoding, storing, and retrieving all memories. It's like a central hub.

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Multiple Trace Theory (Memory)

This model suggests that each memory is distributed across multiple brain regions, with a unique trace involving the hippocampus to a varying degree.

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Negative Entropy (Memory)

The idea that memory can be strengthened and maintained through active use. It's like exercising your memory muscles.

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Intentional Suppression

The conscious effort to prevent memories from entering awareness. This involves actively blocking the retrieval of unwanted memories.

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No-Go Task

An experimental task designed to measure intentional suppression. Participants are instructed to respond to certain stimuli while inhibiting responses to others.

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Memory Suppression Impact

Intentional suppression can impair memory for the suppressed information, making it harder to recall later.

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Forgiveness and Memory

The process of forgiveness might involve a mechanism similar to intentional memory suppression, where negative memories are actively suppressed.

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Memory Reconstruction

Memories are not fixed recordings but are reconstructed each time we retrieve them. New information can alter existing memories.

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Memory Distortion

Inaccurate cues or information can lead to false memories, as we fill in gaps or modify existing memories.

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Memory Updating

We can alter our memories by recalling them and incorporating new information, emotional context, or perspectives.

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Metaplasticity

The capacity for a memory's 'plasticity' to change, making it easier or harder to modify in the future.

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Double dissociation

When two mental processes, like memory and attention, are shown to be independent of each other, meaning damage to one does not affect the other.

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Episodic Buffer

A component of working memory that integrates information from different senses, like sight, sound, and touch, forming a unified representation.

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Superordinate level

The highest level of organization in a semantic network, representing broad categories like 'animals'.

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Subordinate level

The lowest level of organization in a semantic network, representing specific examples within a category, like 'Golden Retriever' under 'dogs'.

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Semantic Relatedness

The degree of connection between concepts, where strongly related concepts are linked by shorter pathways in a mental network.

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Spreading Activation

When activating one concept in a network, the activation spreads to related concepts, explaining why priming can influence seemingly unrelated concepts.

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Priming

The exposure to a stimulus (priming stimulus) influences the response to a later stimulus (target stimulus), suggesting unconscious memory.

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Semantic Network

A mental representation of concepts and their associations, where related concepts are linked by pathways, forming a network.

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Superordinate, Ordinate, Subordinate

Levels of categorization, becoming more specific: Superordinate (broad, e.g., furniture), Ordinate (specific, e.g., chair), Subordinate (very specific, e.g., easy chair).

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Brain Maps and Categories

Different brain regions are associated with specific categories like living and non-living things. These regions are partially influenced by sensory experiences.

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Bidirectional Connection

The relationship between concepts and brain regions is two-way: active thinking impacts brain activity, and brain activity influences our thoughts about specific categories.

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Schemas and Sequences

Brain areas work together to organize information into coherent patterns, forming schemas and sequences of events for better understanding and recall.

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Searching and Activation Patterns

Retrieving information involves searching for specific activity patterns in the brain that correspond to the requested memory.

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Reinstatement in Memory Retrieval

Activating a specific element associated with a memory can trigger the recall of the whole experience.

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Post Retrieval Monitoring

Evaluating the accuracy and relevance of a retrieved memory, determining if it needs further analysis or correction.

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Memory Reactivation

The process of retrieving a memory, which makes it more fragile and open to modification.

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Memory Modification

When retrieving a memory, new information can be integrated, leading to an updated or altered memory trace.

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Extinction Learning

A process where an old association is unlearned, forming a new memory trace.

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Retrieval Test

A test that assesses how strong a memory is by trying to retrieve it.

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Memory Trace

The physical representation of a memory in the brain.

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Reconstructive Memory

The process of actively piecing together memories based on existing knowledge and cues. It involves filling in gaps and making inferences.

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Internal Cues

Top-down processing: using existing knowledge and expectations to guide memory retrieval.

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External Cues

Bottom-up processing: using sensory stimuli to trigger memory retrieval.

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Interference Resolution

The process of overcoming interference from competing memories to access the desired information.

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Super-Additive Effect

The enhancement of memory recall when retrieval cues are used together, leading to more robust activation and retrieval.

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Weakly Encoded Memory

A memory that was not thoroughly processed or stored in the first place, making it difficult to retrieve, even with strong cues.

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Recall Perspective Shift

Changing the perspective when recalling a memory can lead to increased retrieval, especially if the new perspective provides new insights.

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Memory Strength

The quality and accessibility of a memory, determined by factors like encoding depth, attention during learning, and retrieval practice.

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Re-emergence of Memory

The reappearance of a previously extinguished memory, often triggered by a change in context, the passage of time, or re-exposure to the original cues.

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Integration of Context in Extinction

During extinction learning, the brain integrates information about the conditioned stimulus (CS) with contextual cues from the hippocampus, determining which association is stronger.

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Why is context important in extinction?

Context is crucial because it influences which association is stronger: the original learned relationship or the extinguished one. Being in the original context can make the old memory stronger.

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Faster Relearning

After a memory has been extinguished, relearning the original association becomes much quicker compared to the initial learning process.

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Classical Conditioning

A type of learning where a neutral stimulus (like a bell) is paired with a stimulus that naturally elicits a response (like food) until the neutral stimulus alone elicits the response (like salivation).

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Second-Order Conditioning

A process where a neutral stimulus becomes associated with a conditioned stimulus (already paired with an unconditioned stimulus) and then elicits the conditioned response.

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Perceptual Priming

Exposure to a sensory stimulus affects the processing of another stimulus later.

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Conceptual Priming

Exposure to a concept influences the processing of related concepts, even if they are not sensory.

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Neurons that Fire Together Wire Together

The more frequently neurons fire together, the stronger the connections between them become. This is the basis for learning.

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Distributed Practice

Spreading out learning sessions over time, with breaks in between, to improve long-term memory.

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Lag Effect

The positive impact of distributed practice, where time between learning sessions leads to better recall, up to a point.

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Massed Practice

Cramming information all at once, without breaks, often leading to forgetting.

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Illusion of Knowing

The feeling of knowing something well, even if you can't recall it later, often happens with massed practice.

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Intention to Learn

Actively trying to learn and remember information strengthens memory consolidation.

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Novelty

New experiences stimulate reward pathways in the brain, making things more memorable.

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Implicit Association Learning

Unconsciously learning associations between stimuli (e.g., a bell and food), influencing later reactions.

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Temporal Component (Memory)

How time influences memory strength and accuracy.

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Coincidence Detectors

Specialized receptors in postsynaptic neurons that detect simultaneous activity in multiple presynaptic neurons. They are crucial for associative learning, where neurons that fire together wire together.

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Associative Learning

Learning through association, where events or stimuli are linked together. This is facilitated by coincidence detectors and synaptic plasticity.

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Hemispheric Asymmetry (HERA)

The idea that the left hemisphere of the brain is dominant in encoding new memories, while the right hemisphere is dominant in retrieving those memories.

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Diaschisis

A decline in function in a brain area after damage to a connected area, even if the damaged area itself is not directly affected.

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Schema

A mental framework or organized structure that helps us understand and integrate new information. It's like a 'template' for how we interpret the world.

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M.O.V.E.

A mnemonic for memory techniques: Meaningful, Organization, Visualization, Elaboration. These help make memories stick better.

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Reconsolidation

The process of strengthening a memory every time it's recalled. It's like reinforcing a path by walking on it repeatedly.

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Extinction

The weakening or fading of a memory through repeated non-reinforcement. It's like forgetting a path because you haven't walked on it in a long time.

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Semantic Memory

General factual knowledge and concepts that are independent of personal experience. It's like a 'encyclopedia' of knowledge.

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Amygdala's Role

The amygdala assigns emotional significance to memories, making emotionally-charged experiences more vivid and memorable.

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Hippocampal Dependent Memory

Memories that rely on the hippocampus for encoding and storage. These are often explicit memories, like personal experiences.

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Hippocampal Independent Memory

Memories that don't primarily rely on the hippocampus. These are often implicit memories, like motor skills or habits.

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Sleep and Memory

Sleep, particularly deep sleep with sleep spindles, helps consolidate memories from the day, making them stronger and more accessible later.

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Retrieval Experience

The way you retrieve a memory influences how strong and accessible it is. Actively retrieving and linking memories makes them stronger than passive recall.

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Memory Consolidation

The process of strengthening and stabilizing memories over time.

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Intentional Suppression of Memories

The act of actively trying to forget something, which can actually make the memory harder to access later.

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Iconic Memory

A type of sensory memory that briefly holds visual information, like a fleeting image after a camera flash.

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Echoic Memory

A type of sensory memory that briefly holds auditory information, like the last few words in a conversation you overheard.

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Levels of Processing

The idea that how deeply you process information determines how well you remember it. Deep processing (meaningful connections) leads to better memory.

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Top-down Processing

Attention guided by our internal thoughts, expectations, and goals, like focusing on a lecture even amidst distractions.

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Central Executive

The part of working memory responsible for conscious control, planning, and decision-making. It manages information flow between other components of working memory and long-term memory.

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Memory Gaps

When we forget details, our brain often fills in the missing information with something that seems plausible, even if it's incorrect. This creates false memories.

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Binding Memories

The process of linking different pieces of information (like sights, sounds, smells) together to create a meaningful memory. It's like weaving a tapestry of sensory details.

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Bottom-Up vs. Top-Down Attention

Bottom-up attention is driven by external stimuli that grab our senses (like a loud noise). Top-down attention is focused on internal goals or knowledge (like looking for a specific book in a library).

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Meta-Analysis

A statistical method that combines the results of multiple studies to get a more reliable and comprehensive understanding of a topic. It's like taking a big picture view from many smaller snapshots.

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Interestingness and Memory

We are more likely to remember things that we find interesting or relevant to our lives. It's like our brain prioritizes information that matters to us.

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Mental Imagery in Memory

Visualizing a scene or event can significantly enhance memory. It's like creating a movie in your mind, with all the details.

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Schemas in Memory

Our brains organize knowledge into mental frameworks, or schemas, that help us understand and predict common situations. It's like having a blueprint for how things work.

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Overtasked Working Memory

When your brain's working memory is overwhelmed with too much information, leading to errors and difficulty concentrating.

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What are memory gaps filled with?

When we can't recall information accurately, our brains often invent details to fill in the gaps, leading to inaccurate memories.

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Binding in Memory

The process of connecting different pieces of information together to form a meaningful whole, like linking a face with a name.

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Why are study techniques important for memory?

Effective study techniques improve memory and learning by influencing how information is stored and retrieved.

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Working Memory Components

Working memory is not a single unit, but a system with multiple components, each responsible for different cognitive tasks.

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Top-Down vs. Bottom-Up Processing

Top-down processing starts with our expectations and knowledge, while bottom-up processing is driven by incoming sensory information.

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Implicit vs. Explicit Memory

Explicit memory involves conscious recall, like remembering facts. Implicit memory is unconscious, like knowing how to ride a bike.

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What is the 'Intentional System'?

It's the part of working memory that controls our attention and allows us to consciously process information and make decisions.

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Limited Capacity of Working Memory

Working memory can only hold a limited amount of information at a time. This means we need strategies to manage and prioritize information.

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Semantic Coding

Our brains encode information based on its meaning. When we understand the meaning of something, we remember it better.

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Memory and Attention: A Two-Way Street

Attention affects what we remember, and what we remember can influence what we pay attention to.

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Study Notes

Memory Across the Lifespan

  • Key questions for the course include:
    • Key factors in cognitive development
    • Applications of theory to early childhood education
    • Issues related to children as witnesses

Early Brain Development

  • Brain development is a continuous process
  • Involves stages and differentiation

Brain Development Across the Lifespan

  • Experience-dependent synapse formation is crucial
  • Neurogenesis in the hippocampus is vital
  • Synaptogenesis timelines vary across the lifespan; significant growth in childhood, reaching maturity in early adulthood, and maintenance/decline in later life.
  • Cognitive functions, like language and perception, are tied to brain development and areas. Specific brain areas, like the visual cortex and auditory cortex, are linked to sensory processing at different ages, while the prefrontal cortex and its connections play key roles in complex cognitive functions like planning and higher-order memory.
  • Specific developmental processes such as neurogenesis and synaptogenesis impact the development of memory and cognition throughout the lifespan; their proper functioning is essential to memory and cognitive processes across life stages.

Early Cognitive Development

  • Caregivers play a vital role in early cognitive development
  • Factors like sensorimotor development, nutrition, cognitive stimulation, and maturational milestones are critical
  • Institutionalization can have a negative impact on cognitive development, reducing IQ scores, academic performance, attention control, and behavioral activity. This negative effect impacts various cognitive domains. Early stimulation and interaction promote healthy development and learning.
  • Early experiences significantly impact cognitive development, with quality caregiving and targeted interactions facilitating healthier outcomes. Early intervention and stimulation positively affect cognitive outcomes.

Learning and Memory in Infants

  • Chemical sensory systems influence food preferences, and auditory sensory systems demonstrate early voice preferences in fetuses and newborns, with learning happening very early in life.
  • Sensorimotor systems involve rapid associative learning and imitation from a young age, evident as early as the perinatal period, for example infants as young as 2 months can associate kicking with an overhead mobile, showing a capacity for simple memory and learning.
  • Infants' self-concept and mirror self-recognition are developed in early stages with sensory, motor, and cognitive development all heavily intertwined.
  • Associative learning occurs; for example, infants as young as 2 months can associate kicking with an overhead mobile, showing a capacity for simple memory and learning. A variety of memory systems emerge early in life facilitating sensory integration and motor responses.

Working Memory During Development

  • Different components of working memory (verbal storage, complex memory span, visuo-spatial memory) development follows consistent patterns with increasing age, improving across childhood and adolescence, becoming increasingly vital for learning and academic performance.
  • These components are crucial for cognitive function in various domains. Working memory capacity improves across childhood and adolescence, becoming increasingly vital for learning and academic performance.
  • Working memory development is a steady process across early and late childhood. These capacities form a foundation for more complex cognitive functions in later stages of development. Working memory plays an essential role in cognitive tasks such as reasoning, problem-solving, and planning.

Disorders Affecting Development

  • Conditions like Down Syndrome, Williams Syndrome, and ADHD can significantly impact cognitive development and working memory, impacting educational performance.
  • Working memory is crucial for learning, impacting educational performance.
  • These conditions impact cognitive functions and adaptive skills. Early intervention and support strategies are crucial in managing potential challenges and strengthening adaptive behaviors.
  • Early detection and intervention are keys to mitigating the negative impacts of neurological conditions on cognitive development; appropriate tailored support is crucial for children diagnosed with such conditions.

Media and Attentional Problems in Children

  • The impact of media consumption on attention span and cognitive development is a concern, potentially increasing with exposure to excessive media, particularly, non-educational content.
  • Research suggests correlations may exist between excessive screen time and attentional problems and cognitive development, particularly for excessive, non-educational screen time.
  • Some studies link excessive screen time, especially violent or non-educational content, to various cognitive issues impacting development.
  • The type of media content consumed can significantly influence attention span and potential cognitive development; thoughtful media choices assist in development.

Children as Witnesses

  • Different age groups of children have varying levels of accuracy in providing information and testimony, with their reliability greatly affected by age, type of information, and questioning methodology. Factors that can influence recall in children include question format, emotional involvement, and suggestive questioning.
  • Age-appropriate questioning and consideration of potential influences on memory are essential to ensuring reliable statements from children. Understanding of cognitive development and memory capacity at different ages improves the reliability of children's testimony; children's cognitive abilities are critical factors in their ability to give accurate testimony. Age-appropriate interventions help children give more accurate and detailed information.

Memory and Aging

  • Methods used in testing memory across the lifespan are critical to understanding memory across generations.
  • Findings on differences in memory across generations and key brain changes during aging are vital to understanding memory and cognitive decline.
  • Environmental impacts and lifestyle factors affect episodic memory, semantic memory, and visuo-spatial memory, showing an important role of environmental factors in cognitive abilities at different ages.
  • Lifelong learning and engagement in stimulating activities can help counteract age-related cognitive decline and maintain memory capacities; lifestyle choices and environmental influences affect memory and cognitive functions at different stages.
  • Lifelong learning and engagement in stimulating activities can help counteract age-related cognitive decline and maintain memory capacities; lifestyle choices and environmental influences affect memory and cognitive functions at different stages.

Methods of Testing

  • Longitudinal Approach: Studying the same participants over time, helpful for predicting future outcomes but prone to cost, attrition, and practice effects.
  • Cross Sectional Approach: Studying different participants at various age groups simultaneously—useful for immediate comparisons but not offering predictive ability.
  • Combines Approaches: Combining methods to overcome limitations of individual approaches
    • Combining methods helps get a better comprehension of memory development and decline; various testing methods provide different types of insight into memory across various ages.

Intelligence Across Generations

  • Flynn Effect: Intelligence scores across generations tend to increase due to environmental advancements (improved nutrition & education).
  • Reverse Flynn Effect: Recent stagnation or slight decrease in intelligence scores may be influenced by factors like excessive screentime, declining values in education, and poorer health habits, impacting cognitive abilities over time.
  • Understanding the factors influencing these changes across generations is a critical component to adapting educational strategies and interventions; education and societal factors impact intellectual abilities and development.

Brain Reserve and Neurodegeneration

  • Gray and white matter changes occur as people age.
  • Factors like excessive screen time (2-3+ hours/day, especially non-educational content), attention and concentration impairments, learning and memory deficits, emotional regulation issues, mental disorders, substance use, and physical health problems affect cognitive abilities impacting development and potentially increasing the risk for various cognitive decline and disease.
  • Factors like MCI and ADRD (Alzheimer's disease and related dementias) can be linked to these factors. Lifelong engagement in cognitive tasks and maintaining a healthy lifestyle can enhance brain reserve and potentially mitigate the risk of age-related decline and disease.
  • Cognitive stimulation, physical exercise, and maintaining social connections are crucial to maintaining cognitive function and brain reserve. Promoting brain reserve throughout life aids in potentially mitigating effects of age; this is important for preserving cognitive function and reducing age-related declines. Brain reserve is influenced by protective factors linked to lifestyle. Factors listed above are critical to maintaining optimal cognitive abilities, preventing decline, and encouraging resilience.

Different Types of Dementias

  • Alzheimer's disease: Characterized by amyloid plaques, neurofibrillary tangles, and severe memory deficits (episodic, semantic, and procedural).
  • Vascular dementia: Caused by reduced oxygen supply to the brain, leading to memory and cognitive impairments.
  • Lewy body dementia: Alpha-synuclein deposits and unpredictable shifts in attention and concentration, often accompanied by visual hallucinations and delusions.
  • Fronto-temporal dementia: Deterioration of gray and white matter, impacting personality, behavior, and language.
  • Semantic dementia: Affects semantic memory and language skills, impacting comprehension and use of language. Different types of dementia have characteristic symptoms impacting specific cognitive functions; these distinctions are important for appropriate interventions and support.

Warning Signs of Alzheimer's disease

  • A list of warning signs of Alzheimer's disease for better awareness remains to aid in early detection and improve patient outcomes.
  • Individuals demonstrating these factors should be encouraged to seek assistance and assessment for early-stage identification. These warning signs aid in early detection and improved patient outcomes.

Novel Treatments for Alzheimer's' disease

  • New treatments involving memory training (passive and active, including wearable cameras and external memory aids) have shown promise in improving certain aspects of memory in early-stage Alzheimer's disease, improving autobiographical memory, episodic memory, and semantic memory, showing potential for improved cognitive function and well-being. The effectiveness of such programs needs further studies and exploration. The necessity of research and development of new treatments remains crucial for better understanding and addressing dementia effectively. The use of novel treatments, including external memory aids for Alzheimer's, provides alternative support aiding memory function, and warrants further exploration and research. Further testing and larger-scale studies are necessary.

Factors Maintaining or Improving Cognitive Function

  • Physical exercise: Promotes neuron and synapse growth, and neurotransmitter activity, enhancing overall brain health, and aiding resilience to memory loss.
  • Cognitive stimulation: Learning new skills strengthens neural pathways and promotes mental flexibility, preventing the decline associated with aging and enhancing overall cognitive function.
  • Proper nutrition: Essential nutrients are building blocks for brain health, impacting overall cognitive functioning across stages of life; essential nutrients are critical building blocks for brain function.
  • Social interaction: Leads to improved social support networks and better coping mechanisms, crucial for overall well-being across the life span, aiding in the prevention of cognitive decline, and promoting resilience to memory challenges. Engagement in stimulating activities and social connections contribute to brain health and well-being.
  • Continued engagement in stimulating activities throughout life can help offset some of the cognitive decline related to aging; maintaining healthy lifestyle choices throughout the life span can foster cognitive well-being. Factors listed above are critical to maintaining optimal cognitive abilities, preventing decline, and encouraging resilience. Lifelong learning, social engagement, and balanced lifestyle choices positively affect cognitive and brain health. Factors listed above are critical to maintaining optimal cognitive abilities, preventing decline, and encouraging resilience.

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This quiz explores key concepts related to memory and brain development throughout the lifespan. Focus areas include cognitive development, early childhood education applications, and the impact of experiences on brain growth. It highlights the critical role caregivers play in early cognitive development and the effects of various factors on children's learning.

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