Summate

Definition

Summation is the process by which multiple synaptic potentials combine within one postsynaptic neuron, increasing the likelihood of an action potential. This can occur temporally or spatially, involving multiple signals over time or from different locations on the neuron.

Related terms

Synaptic Potential: A change in membrane potential of a neuron at a synapse, contributing to neuronal communication.

Action Potential:

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane with a characteristic pattern.

Postsynaptic Neuron:

The neuron that receives a signal (via neurotransmitter molecules) from another neuron at a synapse