If twice as many inhibitory postsynaptic potentials IPSPs) as excitatory postsynaptic potentials EPSPs) arrive at a postsynaptic neuron in close proximity, is the integration of signals by the postsynaptic neuron likely to produce an action potential?
A) yes
B) no

Question

Quizplus · Accepted Answer

If the number of IPSPs is twice that of EPSPs, then the postsynaptic neuron is likely to be inhibited and will not fire an action potential. The inhibitory signals outweigh the excitatory signals, leading to hyperpolarization of the membrane potential and decrease in the likelihood of generating an action potential.

If Twice as Many Inhibitory Postsynaptic Potentials IPSPs) as Excitatory