In an EPSP (excitatory postsynaptic potential),there is a
A)net movement of sodium ions out of the cells.
B)net movement of chloride ions into the cells.
C)decrease in action potential amplitude.
D)local hyperpolarization.
E)local depolarization.

Question

Quizplus · Accepted Answer

In an EPSP, there is a local depolarization of the postsynaptic membrane. This occurs when neurotransmitters bind to their corresponding receptors on the postsynaptic membrane, causing ion channels to open and allowing positive ions to enter the cell. The influx of positive ions raises the membrane potential towards the threshold for an action potential.

In an EPSP (Excitatory Postsynaptic Potential),there Is a