Spatial Summation Occurs in a Postsynaptic Neuron

question 72

Multiple Choice

Spatial summation occurs in a postsynaptic neuron

• A) when several EPSPs from a single presynaptic input sum to reach threshold
• B) when EPSPs from several presynaptic inputs sum to reach threshold
• C) upon simultaneous interaction of an EPSP and an IPSP
• D) when several IPSPs from a single presynaptic input sum to hyperpolarize the membrane
• E) none of these

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