Spatial summation refers to
A) electrical signals reaching neurons from outer space.
B) multiple graded potentials arriving at one location simultaneously.
C) repeated graded potentials reaching the trigger zone one after the other.
D) suprathreshold potentials triggering action potentials that are extra large.
E) All of the answers are correct.

Question

Quizplus · Accepted Answer

Spatial summation occurs when multiple graded potentials arriving at one location simultaneously add up to reach the threshold for triggering an action potential. This can occur from multiple neurons or from different parts of the same neuron.

Spatial Summation Refers to