chapter8c Neurons Cellular and Network Properties 3

chapter8c Neurons Cellular and Network Properties 3 -...

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Chapter 8c Neurons: Cellular and Network Properties
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Integration: Divergence Figure 8-25a
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Integration: Convergence Figure 8-25b
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Integration: The Abundance of Synapses on a Postsynaptic Neuron Figure 8-26 Axon terminals of presynaptic neurons Axon Glial cell processes Dendrite of postsynaptic neuron
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Integration: Purkinje cell The highly branched dendrites of a Purkinje cell (neuron) demonstrate convergence Figure 8-27
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Integration: Spatial Summation Figure 8-28a, step 1 1 Three excitatory neurons fire. Their graded potentials separately are all below threshold. Trigger zone Presynaptic axon terminal Action potential (a) 1
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Integration: Spatial Summation Figure 8-28a, step 2 1 Three excitatory neurons fire. Their graded potentials separately are all below threshold. Graded potentials arrive at trigger zone together and sum to create a suprathreshold signal. Trigger zone Presynaptic axon terminal Action potential (a) 1 2 2
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Integration: Spatial Summation Figure 8-28a, step 3 1 Three excitatory neurons fire. Their graded potentials separately are all below threshold. An action potential is
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This note was uploaded on 01/03/2012 for the course BIO 308 taught by Professor Acbrown during the Spring '10 term at Portland.

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chapter8c Neurons Cellular and Network Properties 3 -...

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