2_3_09_HebbRule

2_3_09_HebbRule - Some synapses show synaptic depression(A...

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Some synapses show synaptic depression (A — vesicle depletion), while others, synaptic facilitation (B — Ca 2+ accumulation).
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Classical conditioning is an implicit-memory
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Classical conditioning is an implicit-memory dependent on stimuli correlations.
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Classical conditioning is an implicit-memory dependent on stimuli correlations.
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"When an axon of cell A . .. excite(s) cell B and repeatedly or persistently takes part in firing it, some growth process or metabolic change takes place in one or both cells so that A's efficiency as one of the cells firing B is increased." Donald Hebb (1949) The Organization of Behavior
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"When the presynaptic axon of cell A repeatedly and persistently fails to excite the postsynaptic cell B while cell B is firing under the influence of other presynaptic axons, metabolic change takes place in one or both cells such that A's efficiency, as one of the cells firing B, is decreased." Gunter Stent (1973) PNAS, 70:997-1001
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Long-term potentiation and depression at the hippocampus are examples of Hebb-Stent rule.
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Some synapses show synaptic depression (A — vesicle depletion), while others, synaptic facilitation (B — Ca 2+ accumulation).
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The simplest neural-network model for brain computations is feedforward with one output.
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2_3_09_HebbRule - Some synapses show synaptic depression(A...

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