Describe Temporal and Spatial Summation in Neurons

question 8

Short Answer

Describe temporal and spatial summation in neurons.

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Definitions:

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.

Rods

Visual sensory receptors found at the back of the retina, responsible for noncolor sensitivity to low levels of light.

Fovea

A small depression in the retina of the eye where visual acuity is highest.

Pupil

The black circular opening in the center of the eye's iris that regulates the amount of light that enters.