Do EPSPs and IPSPs occur within one neuron or between neuron

Do EPSP\'s and IPSP\'s occur within one neuron, or between neurons?

Solution

EPSP\'s are the excitatory postsynaptic potentials and IPSP\'s or the inhibitory postsynaptic potential i.e. hyper polarizing potentials. The summation of IPSPs and contrasting EPSPs at the post synaptic neuron; if it reaches the threshold it causes an action potential to be fired in the postsynaptic neuron. Thus both occur within one neuron.