Foundations of Neuroscience
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Questions and Answers

What did Lashley's rat lesion experiments in the 1920s suggest?

  • Temporal lobe is the primary memory storage site
  • All cortical areas contribute equally to memory (equipotential) (correct)
  • Memory deficits are directly related to the location of the lesion
  • Memory is solely dependent on the hippocampal system

    • What is the core principle of Hebbian learning?

  • Neurons that fire together, wire together
  • Cells that fire together, wire together (correct)
  • Neurons that fire together, weaken their connections
  • Cells that fire together, inhibit each other

    • What governs the bidirectional management of Long-Term Potentiation (LTP) and Long-Term Depression (LTD)?

  • Mg2+ ions
  • Ca2+ (BCM theory) (correct)
  • Na+ ions
  • K+ ions

    • What are the lessons learned from invertebrates regarding synaptic changes in learning?

    <p>Synaptic changes play a role in learning</p> Signup and view all the answers

    What did Hebb propose as the representation of external events, such as memory traces?

    <p>Reciprocally interconnected groups of cortical neurons (cell assembly)</p> Signup and view all the answers

    What was Lashley's conclusion from the rat lesion experiments in the 1920s?

    <p>All cortical areas contribute equally to memory (equipotential)</p> Signup and view all the answers

    What is the core principle of Hebbian learning?

    <p>Cells that fire together, wire together</p> Signup and view all the answers

    What governs the bidirectional management of Long-Term Potentiation (LTP) and Long-Term Depression (LTD)?

    <p>Calcium ions (Ca2+)</p> Signup and view all the answers

    What is the representation of external events, such as memory traces, proposed by Hebb?

    <p>Reciprocally interconnected groups of cortical neurons (cell assembly)</p> Signup and view all the answers

    What are the lessons learned from invertebrates regarding synaptic changes in learning?

    <p>Synaptic changes in learning can occur in invertebrates</p> Signup and view all the answers

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