Determining Neuronal Activity
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Since at any moment a neuron is likely to have thousands of neurons releasing neurotransmitters at its surface, how is neuronal activity (to fire or not to fire) determined?
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The expert determines how neuronal activity is determined.
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A post synaptic neuron must sum or integrate all of the incoming signals. This process of integration is called "summation." The greater the depolarizing summation, the greater the chance that a nerve impulse will be initiated.
There are two types of summation: spatial summation and temporal summation.
Spatial summation results from the buildup of ...
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