Memory: Encoding, Storage, Retrieval
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Questions and Answers

What term refers to the decreased accessibility of memory over time?

  • Blocking
  • Transience (correct)
  • Mis-attribution
  • Displacement
  • Which of the following describes the phenomenon when new information replaces older memories?

  • Persistence
  • Interference
  • Displacement (correct)
  • Blocking
  • What is the temporary inaccessibility of stored data commonly known as?

  • Decay
  • Blocking (correct)
  • Absent-mindedness
  • Bias
  • Which term describes the assimilation of incorrect information into memory due to external factors?

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

    What type of interference occurs when old memories hinder the formation of new ones?

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

    What is the term for intrusive memories that persist uncontrollably, often seen in PTSD?

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

    Which of the following can occur due to gaps in concentration and forgetfulness?

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

    Which phenomenon refers to mistakenly thinking one has experienced something that did not happen?

    <p>Mis-attribution (B)</p> Signup and view all the answers

    What is the primary characteristic of semantic amnesia?

    <p>Difficulty with language usage and acquisition (D)</p> Signup and view all the answers

    Which of the following assessments primarily evaluates episodic verbal learning and memory?

    <p>Rey Auditory Verbal Learning Test (C)</p> Signup and view all the answers

    What type of amnesia involves a loss of memory for the context of previously learned information?

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

    Which test includes a delayed recall and recognition phase following an interference list?

    <p>Rey Auditory Verbal Learning Test (D)</p> Signup and view all the answers

    What is the primary focus of the California Verbal Learning Test?

    <p>Episodic memory and language-related tasks (C)</p> Signup and view all the answers

    What is the primary source of iconic memory?

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

    What describes a memory distortion?

    <p>A fabricated memory stored without validity evaluation. (C)</p> Signup and view all the answers

    What does 'schema' refer to in the context of memory?

    <p>A concept or image of something that happened in the past. (C)</p> Signup and view all the answers

    How does inference function in memory?

    <p>It fills missing parts of information based on existing knowledge. (D)</p> Signup and view all the answers

    What is elaboration focused on in the context of learning?

    <p>Improving information by making connections. (A)</p> Signup and view all the answers

    According to the forgetting curve, what happens to memory retention over time?

    <p>Memory retention decreases over time. (C)</p> Signup and view all the answers

    What best describes the concept of memory strength?

    <p>The longevity of memory traces in the brain. (A)</p> Signup and view all the answers

    In what scenario does memory distortion most likely occur?

    <p>When a fabricated memory is accepted without scrutiny. (D)</p> Signup and view all the answers

    What is working memory primarily responsible for?

    <p>Immediate decision-making and problem-solving (A)</p> Signup and view all the answers

    What is the purpose of chunking information?

    <p>To simplify the recall and comprehension of larger information units (A)</p> Signup and view all the answers

    Which component of working memory is responsible for higher cognitive processes?

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

    What is the typical capacity limit of items that can be processed in working memory?

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

    Which part of the brain, when damaged, is linked to deficits in working memory?

    <p>Dorsolateral prefrontal cortex (A)</p> Signup and view all the answers

    Which emotional factor is most likely to impede memory creation and recall?

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

    Which example best illustrates the concept of chunking?

    <p>Grouping a series of random numbers into a manageable phone number (D)</p> Signup and view all the answers

    What influence does a person's mood have on memory retrieval?

    <p>It affects which memories are retrieved. (A)</p> Signup and view all the answers

    What does the episodic buffer function as in working memory?

    <p>A backup store that connects working and long-term memory (A)</p> Signup and view all the answers

    What is the phenomenon where individuals revert to prior beliefs after corrections?

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

    What does long-term memory primarily refer to?

    <p>Memories that are retained for life (D)</p> Signup and view all the answers

    Which factor is NOT mentioned as affecting the process of forgetting?

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

    How does activation of prior knowledge help in memory processing?

    <p>It facilitates the processing of new information. (A)</p> Signup and view all the answers

    Which of the following contributes to the forgetting process by creating interference?

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

    Which statement about memory disorders is accurate?

    <p>They occur when a person struggles to form or retain new memories. (D)</p> Signup and view all the answers

    What effect does discussing problems in small groups have on memory recall?

    <p>It can enhance recall of new information. (C)</p> Signup and view all the answers

    Which type of amnesia refers to the inability to form new memories?

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

    What is confabulation?

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

    Which type of amnesia typically affects individuals over the age of 50 and resolves within 24 hours?

    <p>Transient Global amnesia (D)</p> Signup and view all the answers

    Which type of memory is more vulnerable in cases of retrograde amnesia?

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

    Which of the following is NOT a type of amnesia?

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

    What is the primary cause of anterograde amnesia?

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

    What characterizes psychogenic amnesia?

    <p>Rapid episode of memory loss for personal history (C)</p> Signup and view all the answers

    What occurs when an individual with retrograde amnesia loses knowledge obtained before the amnesia started?

    <p>Memory loss for prior information (B)</p> Signup and view all the answers

    Flashcards

    Working Memory

    Ability to hold information in mind for brief periods during tasks like decision-making or problem-solving.

    Phonological Loop

    The part of working memory that handles acoustic information, like sounds or spoken words.

    Visuospatial Sketchpad

    The part of working memory that processes visual and spatial information, such as images and locations.

    Episodic Buffer

    The part of working memory that acts as a bridge between working memory and long-term memory, integrating different types of information.

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    Chunking

    A technique for improving memory by grouping smaller units of information into larger, more meaningful chunks.

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    Working Memory Capacity

    The maximum number of chunks of information that can be held in working memory at a time, typically around 7.

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    Long-Term Memory

    The type of memory that stores information for extended periods, from minutes to a lifetime.

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    Episodic Memory

    The type of long-term memory that stores information about personal experiences and events.

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    Memory Distortion

    Memory distortions are fabricated memories that are stored in the brain without being validated. These can be false recollections of events like conversations that never occurred or variations in our own memory of an event compared to someone else's.

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    Memory Schema

    Schemas are structured collections of past experiences that influence how we interpret and recall information. They are like mental frameworks that shape judgments and thinking.

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    Inference in Memory

    Inference is a logical process where existing memories are used to fill in missing information based on knowledge, beliefs, or theories.

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    Elaboration

    Elaboration is a learning strategy to improve memory by explaining or connecting new information to existing knowledge or experiences.

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    Ebbinghaus Forgetting Curve

    The Ebbinghaus forgetting curve shows how memory retention decreases over time if we don't actively try to recall the information.

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    Memory Strength

    Memory Strength refers to the durability of a memory trace in the brain. The longer you can recall something, the stronger the memory.

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    Forgetting

    Forgetting is the inability to access or recall previously learned information.

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    Forgetting Process

    The process of forgetting is shown by the Ebbinghaus curve. Information decays over time unless effort is made to retain it.

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    Transience

    A type of memory failure where the accessibility of stored information decreases over time. It's like forgetting the details of a book you read last week.

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    Absent-mindedness

    A type of memory failure where our attention wanders, leading to forgetfulness. It's like forgetting where you put your keys because you weren't paying attention.

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    Blocking

    A type of memory failure where stored information is temporarily inaccessible. It's like knowing a word is on the tip of your tongue but unable to retrieve it.

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    Suggestion

    A type of memory failure where misleading information is incorporated into memory due to leading questions or external influences. It's like a witness remembering details inaccurately after being questioned with suggestive language.

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    Bias

    A type of memory failure where current beliefs and knowledge distort past experiences. It's like remembering a trip as more enjoyable than it actually was because you had a good time with friends.

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    Persistence

    A type of memory failure where unwanted memories intrude and persist, often associated with traumatic experiences. It's like being haunted by a bad memory you can't erase.

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    Misattribution

    A type of memory failure where memories are incorrectly attributed to the wrong source or time. It's like thinking you experienced something you actually only read about.

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    Decay (Short-Term Memory)

    A theory suggesting that memories fade over time if not actively recalled or rehearsed. Think of it as a fading trail in the snow.

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    Situation-specific amnesia

    A memory gap for a traumatic event, often associated with PTSD or being a victim of a crime.

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    Semantic amnesia

    Difficulty using and learning language due to impaired semantic memory.

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    Source amnesia

    Inability to recall where, when, or how you learned something, but you still know the information.

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    California Verbal Learning Test (CVLT)

    Often used to assess long-term memory, this test measures how well people remember words from a list.

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    Rey Auditory Verbal Learning Test (RAVLT)

    Another test for long-term memory, this one involves learning and recalling a list of 15 words over multiple trials.

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    Mood and Memory

    Experiences that evoke a strong mood are more likely to be remembered, especially if the mood is congruent with the current state. For example, a depressed person may recall sad memories more easily.

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    Emotional Factors Affecting Memory

    Stress, anxiety, aggression, and depression can hinder the creation of new memories and make it difficult to retrieve existing ones.

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    Knowledge and Memory

    Prior knowledge and understanding of a topic make it easier to process new information related to it.

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    Active Learning and Memory

    Actively discussing a topic with others helps activate relevant knowledge and improves memory for related information.

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    Regression of Belief

    People tend to

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    What are memory disorders?

    Memory disorders are a group of conditions that affect a person's ability to create and store new memories.

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    Transient Global Amnesia

    A condition characterized by temporary memory loss, typically affecting people over 50 and resolving within 24 hours. It's often associated with migraines, epilepsy, or transient ischemic attacks (TIAs).

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    Retrograde Amnesia

    The inability to recall events or information that occurred before the onset of memory loss. Often caused by traumatic brain injuries.

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    Anterograde Amnesia

    The inability to form new memories, preventing new information from transferring from short-term to long-term memory.

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    Psychogenic Amnesia

    Memory loss caused by psychological factors like trauma, stress, or psychological disorders. It can involve rapid loss of episodic memories, often leading to fugue states.

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    Dementia

    A decline in mental functioning that affects memory, language, judgment, emotions, and other cognitive abilities.

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    Confabulation

    The invention or fabrication of memories that did not actually occur, often filling in gaps in memory.

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    Memory Disorders

    Memory loss or the inability to form new memories. It can be caused by various factors, such as brain damage, medical conditions, substance abuse, or psychological issues.

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    Study Notes

    Memory: Encoding, Storage, and Retrieval

    • Memory is the experience, awareness, and recall of sensations, ideas, and events.
    • Memories are processed through encoding, storage, and retrieval.

    Encoding

    • Encoding is the transfer of sensory input (sound or image) into a form for memory registration.
    • Mnemonics, primacy-recency effects, and chunking aid easier encoding.
    • Common encoding approaches include visual (how something appears), acoustic (how it sounds), semantic (what it means), and tactile (how it feels).

    Storage

    • Storage describes how, where, how much, and for how long encoded data is kept.
    • The modal model of memory differentiates between two types:
      • Long-term memory (LTM): Unlimited capacity, from minutes to a lifetime.
      • Short-term memory (STM): Capacity of 7 +/- 2 items in digit span experiments.
      • Information is first stored in STM and then moved to LTM if needed.

    Retrieval

    • Retrieval is the procedure to access stored information.
    • Memories in STM are retrieved in the order they were stored.
    • Memories in LTM are retrieved by making connections.

    Working Memory Storage Capacity and Chunking

    • Working memory is the ability to briefly hold and use information for tasks.
    • Short-term memory understanding improved with the Baddeley and Hitch model (1974).
    • This model includes the Central Executive, responsible for higher cognitive processes like planning and problem-solving.
    • Other components include Phonological Loop (acoustic coding), Visuospatial Sketchpad (visual/spatial info), and Episodic Buffer (backup storage).

    Distortion, Schema, Inference, and Elaboration

    • Distortion: Memory distortions occur when the brain creates inaccurate memories.

    • Schema: Memory schemas are collections of past experiences that help organize and interpret information.

    • Inference: Inferences are logical conclusions drawn from existing knowledge.

    • Elaboration: Elaboration is a cognitive approach that improves memory by linking new information to prior knowledge.

    The Process of Forgetting

    • Forgetting is the inability to recall previously stored information.
    • The Ebbinghaus curve illustrates how retention declines over time.
    • Causes of memory failure include: Transience, absent-mindedness, blocking, suggestion, bias, and persistence.

    Emotional Factors Affecting Memory

    • Emotional factors can influence memory encoding and retrieval.
    • Factors include stress, anxiety, feelings of aggression, and depression.

    Retrieval and Forgetting Factors

    • Experiences that evoke positive emotions or high arousal are more likely to be remembered than those that do not.
    • Mood congruency, knowledge activation, and existing beliefs impact recall.
    • Personal experiences are important for memory retrieval, influenced by mood and existing information.

    Memory Disorders

    • Memory disorders involve trouble forming or retaining new memories due to brain damage, diabetes, or other medical or psychological conditions.
    • These disorders are broadly classified into amnesia, confabulation, and dementia.

    Assessment of Memory Disorders

    • There are many tests that measure memory functions; some include:
      • California Verbal Learning Test
      • Rey Auditory Verbal Learning Test
      • Encoding performance tests, delayed word recall tests, etc

    Diencephalon

    • The diencephalon is a region near the brain's midline, developing from the forebrain vesicle.
    • It encompasses structures like the thalamus and hypothalamus.

    Amnesia

    • Amnesia is the loss of memory or the inability to form new memories.
    • It's linked to damage in the medial temporal lobe including the hippocampus, and midline diencephalon.
    • Types of amnesia include retrograde (loss of past memories) and anterograde (inability to form new memories).

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    Description

    Explore the key concepts of memory, including encoding, storage, and retrieval processes. This quiz covers various encoding techniques and differentiates between short-term and long-term memory storage. Test your understanding of how our minds process and recall information.

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