EPSP VS IPSP

Question 1

EPSP

Answer 1

• The postsynaptic neuron may be excited(depolarized), called excitatory postsynaptic potentials(EPSP). If the EPSP reaches the threshold potential, an action potential is initiated.

Question 2

IPSP

Answer 2

• The postsynaptic neuron’s membrane may be inhibited(hyperpolarized), called Inhibitory postsynaptic potentials(IPSPs). This makes the membrane less likely to reach the threshold potential, meaning the action potential is inhibited.