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Lesson 5   the role of the neuron in memory formation 2012 sh
 

Lesson 5 the role of the neuron in memory formation 2012 sh

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    Lesson 5   the role of the neuron in memory formation 2012 sh Lesson 5 the role of the neuron in memory formation 2012 sh Presentation Transcript

    • Lesson 5 - The role of Neurons in Memory formationFriday, 13 April 2012
    • Last lesson...... From which form of declarative memory is retrieval of information often more difficult? Why? 3 marksFriday, 13 April 2012
    • Last lesson...... From which form of declarative memory is retrieval of information often more difficult? Why? 3 marks Answer Retrieval of information is often more difficult from episodic memory.There memories are less well learned, and are more context dependent and state-dependent in nature.Friday, 13 April 2012
    • Todays lesson............ •Review the function of a neuron •Explain the role of the neuron in memory formation informed by the work of E. Richard Kandel!Friday, 13 April 2012
    • Revision - The NeuronFriday, 13 April 2012
    • Kandel found that any experience resulting in memory produces physical changes in the brain at the neuronal level, changes in structure and function of neurons.Friday, 13 April 2012
    • Kandel’s Research on the role of neurons Eric Kandel studies the sea slug Aplysia for the following reasons: •Very simple nervous system •Only 20,000 neurons •Largest neurons in the world and can be seen with the naked eyeFriday, 13 April 2012
    • Kandel’s experiments Studied simple learning and remembering of the gill- withdrawal reflex of Aplysia Observed changes at the synapse (i.e. point of communication by adjacent neurons) in the structure and function of neurons in three ways: •Release extra neurotransmitter •Increase number of receptor sites •Growth of new synapses These changes are called collectively Long Term PotentiationFriday, 13 April 2012
    • Long Term PotentiationFriday, 13 April 2012
    • Friday, 13 April 2012
    • Friday, 13 April 2012