Memory Systems and Patient Cases
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Memory Systems and Patient Cases

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Questions and Answers

What is the key distinction between implicit and explicit memory?

  • Implicit memory is associated with the central executive, while explicit memory is associated with the content-specific subsystems.
  • Explicit memory includes both recognition and recall, while implicit memory does not.
  • Implicit memory involves the use of stored knowledge without awareness, while explicit memory requires conscious effort. (correct)
  • Implicit memory requires conscious recollection, while explicit memory does not.

    • According to the Cowan model of working memory, what is the relationship between working memory and long-term memory?

  • Working memory is completely separate from long-term memory.
  • Working memory has a fixed capacity that is independent of long-term memory.
  • Working memory can only hold information that is not stored in long-term memory.
  • Working memory representations are a subset of long-term memory representations that are currently activated. (correct)

    • What is the key difference between retrograde and anterograde amnesia?

  • Retrograde amnesia is caused by damage to the medial temporal lobes, while anterograde amnesia is caused by damage to the prefrontal cortex.
  • Retrograde amnesia involves forgetting the past, while anterograde amnesia involves the inability to form new memories. (correct)
  • Retrograde amnesia is a symptom of Alzheimer's disease, while anterograde amnesia is a symptom of Mild Cognitive Impairment.
  • Retrograde amnesia results in a loss of long-term memories, while anterograde amnesia results in a loss of short-term memories.

    • According to Hebb's rule, what is the key requirement for long-term potentiation (LTP) to occur?

    <p>Simultaneous presynaptic input and postsynaptic depolarization.</p> Signup and view all the answers

    What is the key characteristic of Mild Cognitive Impairment (MCI) compared to Alzheimer's disease?

    <p>MCI is a precursor to Alzheimer's disease, but individuals with MCI can still lead independent lives.</p> Signup and view all the answers

    How does the Baddeley model of working memory differ from the Cowan model?

    <p>The Baddeley model has a central executive and three content-specific subsystems, while the Cowan model has a single working memory system.</p> Signup and view all the answers

    What was the primary deficit exhibited by Patient HM?

    <p>Inability to form new declarative memories</p> Signup and view all the answers

    Which brain region was found to be largely intact in Patient RB, despite their amnesia?

    <p>Medial temporal lobes</p> Signup and view all the answers

    Which type of memory remained intact for Clive Wearing despite his amnesia?

    <p>Procedural memory</p> Signup and view all the answers

    What was the primary deficit exhibited by Patient KC?

    <p>Inability to remember current actions</p> Signup and view all the answers

    Which brain structure was found to be critical for transferring information from short-term to long-term memory based on the case of Patient HM?

    <p>Hippocampus</p> Signup and view all the answers

    Which type of amnesia was exhibited by both Clive Wearing and Patient RB?

    <p>Both anterograde and retrograde amnesia</p> Signup and view all the answers

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