Find over 25,000 psychological definitions


algebraic summation

summation that takes into account the signs of the terms. Thus, when both excitatory postsynaptic potentials and inhibitory postsynaptic potentials are induced in a neuron, an action potential is evoked only if the excitatory potentials exceed the inhibitory potentials by at least a threshold amount.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z