Which of the Following Statements Correctly Describes When Spatial Summation

question 391

Multiple Choice

Which of the following statements correctly describes when 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

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