Cognitive Psychology: Memory and Attention
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Questions and Answers

Which of the following accurately describes the duration of iconic memory?

  • Lasts for 2-4 seconds.
  • Lasts for approximately ½ second. (correct)
  • Lasts for about 5-9 seconds.
  • Lasts for approximately 30 seconds.

According to Darwin et al. (1972), what is the approximate duration of echoic memory?

  • Up to 30 seconds
  • ½ second
  • 2-4 seconds (correct)
  • 5-9 items

In the context of short-term memory, what is the primary purpose of rehearsal?

  • To permanently store information.
  • To transfer information to sensory memory.
  • To increase the capacity of memory storage.
  • To hold information temporarily for analysis. (correct)

Keppel and Underwood's research indicated that performance in short-term memory tasks declines over multiple trials primarily due to what?

<p>Interference from previously learned information. (D)</p> Signup and view all the answers

What is the main conclusion of George Miller's "The Magic Number" research regarding short-term memory capacity?

<p>Short-term memory is limited to 5-9 items. (B)</p> Signup and view all the answers

In memory, what is the role of 'chunking'?

<p>To associate similar or meaningful elements to improve retention. (A)</p> Signup and view all the answers

According to Baddeley and Hitch's model of working memory, what is the role of the central executive?

<p>Controlling attention and allocating cognitive resources. (D)</p> Signup and view all the answers

What is the phonological similarity effect, as demonstrated by Conrad (1964)?

<p>Confusion of words or letters that sound alike. (B)</p> Signup and view all the answers

Which cognitive function involves focusing mental resources on specific stimuli or tasks?

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

According to cognitive psychology, what is the primary role of the mind?

<p>To synthesize a representation of reality that guides behavior. (C)</p> Signup and view all the answers

In the study by Fowler and Baker (1974) regarding highlighting text, what was observed when participants were tested exclusively on non-highlighted material?

<p>Participants who did not highlight the text performed better than those who did. (C)</p> Signup and view all the answers

In Rothkopf's (1968) study, how did repeated readings of a text affect information retention, as measured by the cloze procedure?

<p>Rereading the text four times resulted in significantly better retention than not rereading it, but there was no difference compared to rereading it twice. (D)</p> Signup and view all the answers

Which of the following cognitive functions allows us to express knowledge, thereby aiding in the manipulation of information in our minds?

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

Considering the findings of studies on highlighting and re-reading, which strategy is most likely to improve retention of information?

<p>Combining highlighting with focused review of non-highlighted sections. (D)</p> Signup and view all the answers

If a person is experiencing difficulty in recalling specific details from a text, but can generally understand the main idea, which cognitive function is most likely impaired?

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

What does it mean to say the brain 'synthesizes reality'?

<p>The brain actively constructs our experience of the world, which might not be a true reflection of what is actually happening. (B)</p> Signup and view all the answers

Which branch of the autonomic nervous system is responsible for initiating the 'fight or flight' response?

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

Damage to the hippocampus would most likely result in impairment of what function?

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

If a person is experiencing difficulty with judgment and decision-making, which lobe of the brain is most likely affected?

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

Which of the following describes the anatomical relationship between the temporal and parietal lobes?

<p>The temporal lobe is inferior to the parietal lobe. (A)</p> Signup and view all the answers

The fusiform face area (FFA) is a specialized region in the brain primarily responsible for:

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

Which structure connects the two hemispheres of the brain, allowing them to communicate?

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

Damage to the occipital lobe is most likely to result in what type of impairment?

<p>Loss of vision (B)</p> Signup and view all the answers

What is the primary function of the enteric nervous system?

<p>Managing gastrointestinal functions (B)</p> Signup and view all the answers

According to the principle of diminishing returns in studying, which strategy is generally more effective than rereading a text multiple times?

<p>Testing oneself on the material after studying it. (C)</p> Signup and view all the answers

In the Roediger and Karpicke (2006) study, what was the key difference between the two groups of undergraduate students studying 300-word passages?

<p>One group reread the passage, while the other took a practice test. (C)</p> Signup and view all the answers

Which of the following bodily functions is NOT primarily regulated by the brain?

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

What is the primary form of information transmission as a signal travels from one neuron to the next across the synapse?

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

Which part of the neuron is responsible for receiving chemical information from other neurons?

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

During an action potential, what change occurs to the charge distribution inside and outside the neuron's axon?

<p>The inside becomes positively charged relative to the outside. (A)</p> Signup and view all the answers

How does the myelin sheath contribute to the speed of action potential propagation along an axon?

<p>By insulating the axon and allowing ion exchange only at the Nodes of Ranvier. (C)</p> Signup and view all the answers

What is the role of vesicles in synaptic transmission?

<p>To carry neurotransmitters and release them into the synaptic gap. (A)</p> Signup and view all the answers

A patient with damage to the anterior temporal lobe struggles to identify everyday objects. This condition MOST directly affects which aspect of sensory processing?

<p>Interpreting the meaning of a stimulus. (B)</p> Signup and view all the answers

Why is single dissociation considered insufficient for definitively linking a brain region to a specific cognitive function?

<p>It fails to address the possibility of alternative cognitive pathways. (B)</p> Signup and view all the answers

In fMRI, what is the underlying principle that allows us to infer neuronal activity?

<p>Oxygen consumption. (D)</p> Signup and view all the answers

What is the primary purpose of the 'subtraction technique' used in neuroimaging studies?

<p>To isolate brain activity associated with a specific cognitive process. (B)</p> Signup and view all the answers

Event-related potentials (ERPs), a technique used in EEGs, isolate brain activity by:

<p>Averaging EEG signals time-locked to specific events. (B)</p> Signup and view all the answers

The 'oddball technique' capitalizes on what cognitive process to study brain responses?

<p>Novelty detection. (D)</p> Signup and view all the answers

Which neuroimaging method measures blood flow using light passed through the scalp?

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

Neuromarketing and neuroethics share a common concern regarding:

<p>The ethical implications of using neuroscience for manipulation or discrimination. (D)</p> Signup and view all the answers

A subject is participating in a visual search task. While their gaze remains fixed on a central point, they are still able to detect a briefly flashed target in their peripheral vision. This scenario best illustrates which type of attention?

<p>Voluntary Covert attention (B)</p> Signup and view all the answers

In the context of visual attention, what is the primary difference between fixations and saccades?

<p>Fixations refer to the moments when the eyes are relatively still, while saccades are the rapid movements between fixation points. (D)</p> Signup and view all the answers

Which of the following scenarios best exemplifies how 'bottom-up' processing influences overt attention?

<p>A person's attention being immediately drawn to a loud, unexpected noise in a quiet room. (D)</p> Signup and view all the answers

A researcher is using the pre-cuing paradigm developed by Michael Posner. If a cue correctly predicts the location where a target stimulus will appear (valid trial) compared to an invalid trial, what is the most likely result?

<p>Faster reaction times to the target. (B)</p> Signup and view all the answers

According to Lavie's load theory of attention, how does high cognitive load affect the processing of irrelevant stimuli?

<p>High cognitive load decreases the processing of irrelevant stimuli. (C)</p> Signup and view all the answers

In the case study involving neural evidence for attentional selection, researchers presented participants with two different audiobooks, one in each ear. What was the key methodology used to determine which audiobook the participant was attending to?

<p>Correlating their brain response with the real speech from each audiobook. (C)</p> Signup and view all the answers

While preparing a peanut butter sandwich, a person simultaneously reaches for the peanut butter can and a knife. This action illustrates attention directed by:

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

Strayer and Johnston's 2001 study primarily investigated which aspect of attention?

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

Which of the following accurately describes the relationship between the somatic and autonomic nervous systems?

<p>The somatic nervous system governs interactions with the external environment, while the autonomic nervous system regulates internal bodily functions. (B)</p> Signup and view all the answers

Increased heart rate and respiration are MOST directly associated with the activation of which component of the autonomic nervous system?

<p>The sympathetic nervous system (C)</p> Signup and view all the answers

The activity of flora and bacteria within the gut is MOST directly associated with which component of the nervous system?

<p>The enteric nervous system (B)</p> Signup and view all the answers

Which of the following BEST describes the functional organization of the cerebral cortex?

<p>A folded structure divided into two hemispheres, each with four lobes. (C)</p> Signup and view all the answers

Which scenario BEST exemplifies the distributed nature of cognitive processing in the brain?

<p>Experiencing a face involves activity in areas responsible for visual processing, emotion, and evaluation of attractiveness. (C)</p> Signup and view all the answers

A patient exhibits impaired judgment and difficulty making decisions, but their sensory and motor functions remain intact. Which lobe of the brain is MOST likely affected?

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

If a researcher is interested in studying the neural response related to cognitive effort, which brain area should they primarily focus on?

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

According to the modal model of memory proposed by Atkinson and Shiffrin (1968), which statement BEST describes the relationship between short-term and long-term memory?

<p>Information is retrieved from long-term memory and enters short-term memory, serving as a workspace. (D)</p> Signup and view all the answers

In Sperling's (1960) study of sensory memory, what critical methodological difference between the 'whole report' and 'partial report' methods allowed him to infer the large capacity of sensory memory?

<p>The 'partial report' method used a post-cue (tone) to indicate which items to report, while the 'whole report' method required reporting all items. (C)</p> Signup and view all the answers

Clive Wearing's case, where herpes encephalitis severely damaged his hippocampus, MOST directly supports which of the following conclusions about memory?

<p>The hippocampus is critical for the formation of new long-term memories and accessing old ones. (D)</p> Signup and view all the answers

According to the content, which of the following statements BEST describes the current understanding of memory?

<p>Memory is an active process of reconstruction, updated by present and future experiences. (D)</p> Signup and view all the answers

In the context of the modal model of memory, control processes would MOST likely be involved in which of the following scenarios?

<p>Consciously repeating a phone number to remember it until you can write it down. (D)</p> Signup and view all the answers

What is the primary limitation of relying solely on single dissociation to establish a link between brain activity and a specific cognitive function?

<p>It fails to account for the complexity introduced by factors such as task familiarity or alternative cognitive pathways. (C)</p> Signup and view all the answers

Which of the following best explains the logic behind using oxygen levels in the blood as a proxy for neuronal activity in fMRI?

<p>Active neurons require more ATP, which is produced via glucose metabolism that relies on oxygen delivery. (A)</p> Signup and view all the answers

What is the primary purpose of event averaging in event-related potential (ERP) studies?

<p>To isolate brain activity that is specifically related to an event by reducing background noise. (C)</p> Signup and view all the answers

In the 'oddball technique,' how is novelty detection typically measured using neuroimaging methods like EEG?

<p>By analyzing the amplitude and latency of specific ERP components in response to infrequent stimuli. (C)</p> Signup and view all the answers

How does functional Near-Infrared Spectroscopy (fNIRS) measure brain activity?

<p>By measuring changes in light as it passes through the scalp, which are affected by blood oxygen levels. (B)</p> Signup and view all the answers

What is a primary ethical concern associated with the application of neuroscience in neuromarketing?

<p>The possibility of using neural data to manipulate consumer behavior without their awareness or consent. (B)</p> Signup and view all the answers

How do sensation and perception differ in the context of sensory processing?

<p>Sensation involves detecting or encoding information, while perception involves interpreting what that information means. (B)</p> Signup and view all the answers

If a person can see an object but has difficulty recognizing it, which area of the brain might be damaged?

<p>Anterior portion of temporal lobe. (A)</p> Signup and view all the answers

An individual reports difficulty recognizing familiar faces, and starts relying on secondary cues, what kind of condition might they have?

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

According to predictive coding theory, what is the brain's primary goal in perception?

<p>To predict upcoming sensory states based on an internal model. (A)</p> Signup and view all the answers

In the context of predictive coding, what happens when incoming sensory information does not align with the brain's internal model?

<p>The brain updates its internal model to better accommodate the new information. (D)</p> Signup and view all the answers

How does predictive coding explain why we often don't deeply process expected events?

<p>The brain already has a strong prediction for these events, reducing processing demands. (C)</p> Signup and view all the answers

Which of the following scenarios best illustrates the concept that perception is about 'objects in context'?

<p>Interpreting a facial expression differently based on the surrounding emotional cues. (C)</p> Signup and view all the answers

In the context of attention, what differentiates a voluntary covert shift from an involuntary covert shift?

<p>Voluntary shifts are driven by internal goals, while involuntary shifts are triggered by salient external stimuli. (B)</p> Signup and view all the answers

What is the functional role of saccades in overt attention?

<p>To rapidly shift the focus of attention and visual gaze to new locations. (B)</p> Signup and view all the answers

Consider the 'dress' social media phenomenon where people perceived a dress as either blue/black or white/gold. Which theme of perception does this best exemplify?

<p>Perception is heavily influenced by individual prior information. (D)</p> Signup and view all the answers

What is the core principle underlying the McGurk effect?

<p>The brain integrates auditory and visual information during speech perception, leading to potential illusions. (A)</p> Signup and view all the answers

How do internal models, such as expectations, influence 'top-down' attention?

<p>By guiding attention to stimuli that align with prior knowledge and anticipate future events. (C)</p> Signup and view all the answers

In the McGurk effect, how might the visual cortex influence auditory perception?

<p>By influencing speech processing in the auditory cortex through multisensory areas. (C)</p> Signup and view all the answers

In the context of attention, when preparing a peanut butter sandwich and simultaneously grabbing the peanut butter can and a knife illustrates what?

<p>Attention directed by goals (A)</p> Signup and view all the answers

In Michael Posner's (1978) pre-cuing paradigm, what does a longer reaction time in invalid trials suggest about attention?

<p>Attention can be directed to specific locations in space, improving processing efficiency there. (B)</p> Signup and view all the answers

Which statement best reflects the understanding of multisensory integration in the brain?

<p>Specific brain structures are dedicated to integrating information from multiple senses. (C)</p> Signup and view all the answers

According to the information provided, what is a potential issue or limitation of predictive coding theory?

<p>Error signals are sometimes absent when they should presumably be present. (A)</p> Signup and view all the answers

According to Lavie's load theory of attention, how does performing a task that requires high cognitive load affect the processing of irrelevant stimuli?

<p>Irrelevant stimuli are processed less because most cognitive resources are used, reducing distraction. (B)</p> Signup and view all the answers

Beyond just auditory and visual input, which system is also intimately involved in speech perception?

<p>The motor system. (A)</p> Signup and view all the answers

In the case study involving neural evidence for attentional selection with audiobook presentation, what was the significance of correlating brain responses with real speech?

<p>It provided a method to track which audiobook the participant was actively attending to. (A)</p> Signup and view all the answers

In divided attention studies, what is typically observed as the demands of one task increase, and how does this relate to the concept of cognitive resources?

<p>Performance on the other task decreases because attention is divided; cognitive resources are limited. (B)</p> Signup and view all the answers

Strayer and Johnston's 2001 study primarily demonstrates that driving performance is most significantly impaired by?

<p>Talking on a cell phone while driving. (C)</p> Signup and view all the answers

What is the key difference between 'bottom-up' and 'top-down' influences on attention?

<p>'Bottom-up' attention is involuntary and stimulus-driven, while 'top-down' attention is voluntary and goal-directed. (B)</p> Signup and view all the answers

Flashcards

Cognitive Psychology

The study of how our mind works in everyday situations, bridging the gap between the brain and our mental processes.

Attention

The mechanism by which we focus our mental resources on specific stimuli or tasks.

Perception

The process of becoming aware of something through our senses.

Learning and Memory

Gaining new skills/knowledge, and retaining such information for later use.

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Language

A system for expressing thoughts and ideas.

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Problem Solving & Decision Making

The cognitive activities involved in finding solutions to obstacles/dilemmas, and to make wise choices.

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Is Highlighting Effective?

Highlighting text shows minimal advantage in memorization.

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Re-Reading Text

Reading text more times can improve retention if done 4 times.

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Testing Effect

The improvement in memory and learning that occurs when retrieval practice (testing) is used, rather than simply re-reading material.

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Roediger-Karpicke Study

The study by Roediger and Karpicke (2006) demonstrating the benefits of retrieval practice (testing) on memory retention.

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Brain Functions

Regulates sleep/wakefulness, breathing/eating/body function, sensation/cognition/movement/behavior.

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Neurons

Specialized cells that communicate information throughout the brain and body using electrical and chemical signals.

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Dendrites

Branch-like extensions of a neuron that receive chemical signals from other neurons.

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Axon

A long, slender projection of a neuron that conducts electrical signals (action potentials) away from the cell body to axon terminals.

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Synapse

The junction between two neurons where chemical information is exchanged.

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Action Potential

An electrical signal that travels down the axon of a neuron, enabling communication between neurons.

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Somatic Nervous System

Nerves and neurons coordinating movement and spatial awareness.

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Autonomic Nervous System

Nerves controlling internal organs and functions.

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Sympathetic Nervous System

"Fight or flight" response; activates during stress.

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Parasympathetic Nervous System

"Rest and digest"; conserves energy, slows heart rate.

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Cerebral Cortex

The brain's outer layer, with grooves (sulci) and ridges (gyri).

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Corpus Callosum

Connects the left and right cerebral hemispheres.

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Frontal Lobe

Executive functions, decision-making, and creativity.

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Temporal Lobe

Processes sound, emotions, and memory formation.

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Prosopagnosia

Difficulty recognizing faces, even one's own.

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Single Dissociation

Determining how specific behaviors are linked to brain activity, but can be limited by overlooking other factors.

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fMRI (Functional MRI)

A neuroimaging technique measuring brain activity by detecting changes in blood oxygen levels.

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Subtraction Technique

Uses background activity as a baseline to isolate specific neural activity.

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EEG (Electroencephalography)

Measures electrical activity in the brain using sensors on the scalp.

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Event-Related Potentials (ERPs)

A method to isolate brain activity linked to a specific event by averaging data.

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Sensation

When the nervous system detects environmental information.

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Overt Attention

Paying attention while looking at the same thing.

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Covert Attention

Paying attention to one thing while looking at another.

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Fixations

Large movements of where your eyes are looking.

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Saccadic Eye Movement

Eye movements when shifting gaze to a new location.

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"Bottom-up" Attention

Attention drawn automatically to salient or meaningful stimuli.

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"Top-down" Attention

Attention directed by internal knowledge, expectations, and goals.

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Finite Cognitive Resources

The concept that cognitive resources are limited.

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Effects of High Cognitive Load

Under high demand, tasks become slower and less accurate.

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Iconic Memory

Sensory memory for visual information.

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Echoic Memory

Sensory memory for auditory information.

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Short-Term Memory

Holds information temporarily for analysis, lasting up to 30 seconds without rehearsal.

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Rehearsal (in STM)

Repeating information to keep it in short-term memory.

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Decay (in STM)

The loss of information from short-term memory due to the passage of time.

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Interference (in STM)

Old information interferes with new information in short-term memory.

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Chunking

Grouping individual pieces of information into meaningful units to improve short-term memory capacity.

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Working Memory

A system for temporary storage and manipulation of information, involving the central executive, phonological loop, and visuospatial sketchpad.

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Enteric Nervous System

Nerves and neurons around esophagus to the anus; controls motor function and gastrointestinal secretion.

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Sulci

Grooves on the outer layer of the brain (cerebral cortex).

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Gyri

Ridges on the outer layer of the brain (cerebral cortex).

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Frontal Lobe Function

Executive functions, judgment, decision-making, and creativity occur here.

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Temporal Lobe Function

Processes sound, emotion, and memory occur here.

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Parietal Lobe Function

Processes touch, pain, attention, and cognitive effort.

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Occipital Lobe Function

Processes visual information located hear.

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Anterior Temporal Lobe

Object perception occurs in this brain region.

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Oddball Technique

Detecting new or unexpected stimuli.

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PET (Positron Emission Tomography)

Blood flow measurement using radioactive tracers.

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MEG (Magnetoencephalography)

Records cortical magnetic fields to measure brain activity.

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fNIRS (functional Near Infrared Spectroscopy)

Blood flow measured with light through the scalp.

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Cocktail Party Listening

Correlation of brain activity is stronger for attended speech and weaker for ignored speech during auditory processing.

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Memory's Purpose

Memory is not just about recalling the past, but also about using information to anticipate and navigate the future.

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Memory Systems

Memory consists of multiple systems working together, not just a single, unified entity.

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Modal Model of Memory

A model describing how information flows through sensory, short-term, and long-term memory.

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Sensory Memory

Briefly holds sensory information; visual lasts ~0.5 sec, auditory lasts 2-4 sec.

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Predictive Coding Theory

The brain constantly updates a model of the world based on patterns and regularities.

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Shallow Processing of Expected Stimuli

The brain expects certain sensory inputs, and does not deeply process expected events.

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Heightened Perception & Uncertainty

Perception is heightened when we experience an unexpected event.

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Influence of Prior Information

Prior knowledge or expectations greatly influence how the brain interprets sensory information.

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Perception and Context

Our experience of something is affected by the surrounding context.

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Multimodal Perception

The brain integrates information from different senses to create a unified perception.

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McGurk Effect

What you see can change what you hear. For example, lip movements can affect perceived sounds.

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Multisensory Nature of Speech

Speech perception involves integrating auditory, visual, and motor information.

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pSTS Role in Error Detection

Errors can be detected via multisensory areas in the posterior superior temporal sulcus (pSTS)

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Visual Influence on Auditory Cortex

Visual cortex can influence speech processing in auditory cortex (A1) via multisensory areas (pSTS)

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Involuntary Covert Attention

Attending to something different from where you are looking.

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First Fixation

The location where your eyes first focus on a scene or image.

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Stimulus Salience

Attention involuntarily drawn by the physical characteristics or meaningfulness of a stimulus.

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Pre-Cueing Paradigm

Studied by Michael Posner, involves focusing on a location without moving your eyes; attention shifts covertly.

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Divided Attention

When you're performing multiple tasks simultaneously, dividing your cognitive resources.

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Prioritized Processing

Relevant information is processed before irrelevant information.

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Study Notes

Memory Continued

  • Memory isn't only about the past, but influences the future as well
  • A person with herpes attacked the nervous system, causing encephelitis, destroying the hippocampus, impairing new memory formation and access to old memories and limiting short-term memory

Control Processes for Memory

  • Rehearsal, attention, and forming associations are modes that can continuously work together

Whole-Report Method

  • Participants reported an average of 4.5 out of 12 letters when asked to recall all 12 letters
  • Only seeing 12 letters for 50 milliseconds

Partial Report Method

  • Participants were able to 3.3 of 4 items by tone

Keppel and Underwood

  • On the first trial performance after 18 seconds is really good; however, over many trials, the ability to remember and performance declines
  • Decay occurs after 15-20 second durations, losing information

Interferance and Thought

  • Newly introduced and old information can interfere with each other
  • Tasks with many trials better represent short-term memory

George Miller

  • Capacity is represented by "The Magic Number 7 + or - 2"

Ericsson, et al

  • Trained subject SF on Chunking techniques for 230 hours
  • He was then able to repeat up to 79 digits
  • Few people argued against holding visual representations in the brain

Mental Rotation

  • Shepard and Metzler found in 1971 that if you want to rearrange a room you mentally manipulate the space
  • If you increase how much you need to rotate figures to determine that they are the same or different

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Description

Test your knowledge of cognitive psychology with these questions. Topics include iconic and echoic memory duration, short-term memory processes like rehearsal and chunking, working memory models, the phonological similarity effect, attentional focus, and the role of the mind. Also explores the magic number 7 and highlighting techniques.

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