Which of These Statements Correctly Describes What Happens When "Temporal

question 146

Multiple Choice

Which of these statements correctly describes what happens when "temporal summation" takes place?

• A)Two EPSPs from the same presynaptic input occur so closely together in time that they add together, or sum.
• B)An EPSP and an IPSP occur simultaneously and cancel each other out.
• C) Two EPSPs that occur simultaneously from different presynaptic inputs add together, or sum.
• D) Action potentials occurring in two presynaptic inputs simultaneously converge upon the postsynaptic cell, initiating two different action potentials in the postsynaptic cell.

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