Which of These Statements Describes When Spatial Summation Occurs in a Postsynaptic

question 188

Multiple Choice

Which of these statements 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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