Spatial summation occurs when
A) several neurons in an area fire at one time.
B) neurons fire repeatedly until a stimulus is sent.
C) they are too weak to cause an action potential.
D) the post-synaptic neuron is stimulated in one location.
E) the pre-synaptic neuron fires into many post-synaptic neurons.

Question

Quizplus · Accepted Answer

Spatial summation occurs when multiple presynaptic neurons release neurotransmitters at various locations on the postsynaptic neuron simultaneously, leading to a combined effect that can trigger an action potential.

Spatial Summation Occurs When