Which of the following statements concerning inhibitory synapses (IPSPs) is correct?
The permeability of the postsynaptic membrane to sodium, potassium, and chloride is not changed Channels allow both sodium and potassium ions to diffuse simultaneously through the membrane O The postsynaptic membrane becomes less permeable to sodium O Postsynaptic membrane becomes more permeable to potassium and chloride O The postsynaptic membrane becomes less permeable to potassium