A single neuron may
receive info from numerous neighboring neurons via thousands of
synapses, some excitatory and some inhibitory.
Excitatory postsynaptic
potential EPSP = postsynaptic membrane becomes permeable to Na+ =action potential
Inhibitory postsynaptic
potential IPSP = postsynaptic membrane becomes permeable to Cl- and K+= hyperpolarization
Effects of synapses need
to impact axon hillock. Axon hillock= neuron’s integrating center.