What characteristic of EPSPs and IPSPs makes temporal summation possible?
A) They last a longer time than action potentials.
B) They are larger than action potentials.
C) They produce more movement of sodium than action potentials.
D) They do not have absolute refractory periods.

Question

Quizplus · Accepted Answer

EPSPs and IPSPs last longer than action potentials, which allows them to summate over time if they occur in quick succession. This duration enables the effects of multiple postsynaptic potentials to overlap and potentially combine to reach the threshold for an action potential.

What Characteristic of EPSPs and IPSPs Makes Temporal Summation Possible