Human Memory - Chapter 1 Flashcards
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Questions and Answers

What is memory?

  • Unusually good and bad memory (correct)
  • The ability to recognize faces
  • A type of learning
  • A process of sensation
  • What did Solomon Shereshevsky achieve?

    He could memorize 70 digits or words both forward and backward.

    What is the primary characteristic of Clive Wearing's memory impairment?

    He cannot remember things that happened more than a minute or so before.

    What happens to everyone in life without memory?

    <p>Everyone would be a stranger and every language would be foreign.</p> Signup and view all the answers

    What does the Atkinson-Shiffrin model consist of?

    <p>Sensory memory, short-term memory, and long-term memory.</p> Signup and view all the answers

    Which of the following is an example of sensory memory?

    <p>A sparkler trail</p> Signup and view all the answers

    What are the three processes of memory in the information processing model?

    <p>Encoding, storage, and retrieval.</p> Signup and view all the answers

    What is echoic memory?

    <p>Sensory memory for hearing that lasts up to 3 or 4 seconds.</p> Signup and view all the answers

    What is the main function of short-term memory?

    <p>Analyze and transform information</p> Signup and view all the answers

    How does echoic memory differ from iconic memory?

    <p>Echoic memory lasts longer than iconic memory.</p> Signup and view all the answers

    Define implicit memory.

    <p>Retention independent of any conscious recollection or awareness.</p> Signup and view all the answers

    What is the primary characteristic of explicit memory?

    <p>It can be consciously recalled.</p> Signup and view all the answers

    Give an example of episodic memory.

    <p>Describing the time your cat pounced on your face.</p> Signup and view all the answers

    Match the following types of memory with their descriptions:

    <p>Episodic Memory = Memories for particular events in life Semantic Memory = Knowledge about the world and concepts Implicit Memory = Retention independent of conscious recollection Explicit Memory = Memory of facts and experiences that can be declared</p> Signup and view all the answers

    Study Notes

    Memory Overview

    • Memory encompasses different forms, ranging from excellent to poor performance.
    • Key models of memory include the Atkinson-Shiffrin model, which consists of sensory memory, short-term memory, and long-term memory.

    Amazing Memory Capabilities

    • Solomon Shereshevsky memorized 70 digits and words both forward and backward.
    • Rajan Mahadevan memorized over 30,000 digits of pi by recognizing sequences.

    Savant Memory Example

    • Stephen Wiltshire, diagnosed with autism, can create detailed drawings of entire cities after brief observation, showcasing exceptional memory skills.

    Impact of Memory Loss

    • Absence of memory would eliminate joy, render individuals unrecognizable, and make languages seem foreign.

    Clive Wearing Case

    • Clive Wearing, a classical musician, suffered major brain damage due to encephalitis, leading to severe memory impairment.
    • He can’t remember events beyond a minute and believes he is continually regaining consciousness, although he retains some musical skills.

    Theories of Memory Structure

    • Memory frameworks have evolved alongside technological advancements.
    • The Ancient Greek "wax tablet" analogy likens memory to stamping impressions that can fade over time.

    Modern Memory Analogies

    • The computer analogy equates information processing in computers to how human memory functions, highlighting encoding, storage, and retrieval processes.

    Atkinson-Shiffrin Model Details

    • Sensory memory captures environmental stimuli, short-term memory processes information, and long-term memory retrieves stored data.
    • Each stage is functionally distinct rather than anatomically defined.

    Sensory Memory Explained

    • Sensory memory registers environmental stimuli and retains it for mere seconds.
    • Specialized sensory receptors activate and store brief traces of stimuli in sensory memory.

    Example of Sensory Memory

    • The experience of a sparkler creating a continuous circle illustrates how sensory memory retains images briefly, merging multiple points into a cohesive visual.

    Sperling's Sensory Memory Experiments

    • Sperling's experiments demonstrated that individuals can recall only a few letters but have access to a larger memory store than initially recognized.
    • The partial-report technique showed subjects could remember almost all letters when cued to recall a specific row.

    Memory Decay and Performance

    • Performance dropped as the delay between stimulus presentation and cue lengthened, confirming the rapid decay of sensory memory.

    Visual Sensory Memory

    • Known as visual information storage (VIS), it decays swiftly and allows information transfer to long-term memory.
    • Scanning occurs at approximately one letter every 10 milliseconds.

    Echoic Memory Insights

    • Echoic memory lasts longer than iconic memory, averaging 3-4 seconds, although limited to one or two items.
    • Disruption occurs when new spoken items interfere during recall, especially affecting recency memory.

    Short-term Memory Functionality

    • Short-term memory, or working memory, serves as a temporary holding space and processing hub for new information.
    • It facilitates crucial tasks like memorizing phone numbers or solving mathematical problems.

    Long-term Memory Characteristics

    • Long-term memory retains information for extended periods, with virtually limitless capacity.
    • It encompasses detailed recollections from conversations to factual knowledge.

    Types of Long-term Memory

    • Episodic Memory: Personal experiences or specific events in life.
    • Semantic Memory: General knowledge and facts about the world.
    • Implicit Memory: Non-conscious retention, including motor skills and priming effects.

    Explicit vs. Implicit Memory

    • Explicit memory involves facts and experiences that can be consciously recalled.
    • Implicit memory surfaces through indirect measures, showcasing learning that occurs without conscious awareness, such as recognizing an object due to prior exposure.

    Priming Effects

    • Priming influences perception and response to objects based on recent exposure—examples include recognizing words or images quickly after being encountered before.

    Measurement of Implicit Memory

    • Assessment of implicit memory is indirect.
    • Indirect measurements can reveal memory retention even in amnesic patients who do not consciously remember previous encounters.

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    Description

    Explore the foundational concepts of memory in this flashcard quiz based on Chapter 1 of the Human Memory study material. Learn about different types of memory, the Atkinson-Shiffrin model, and examples of remarkable memory feats. Perfect for students looking to enhance their understanding of memory systems.

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