A unique feature of the retinal circuitry is that
A) there are more cones than rods in the retina.
B) light must pass through the circuitry in order to stimulate the photoreceptors.
C) the rods are packed together at the center of the retina.
D) rods send signals through cones, which then activate the ganglion cells.
E) photoreceptors do not influence the activity of surrounding nerve cells.

Question

Quizplus · Accepted Answer

The unique feature of retinal circuitry is that light must pass through the circuitry in order to stimulate photoreceptors. This means that information is processed by the retina before it reaches the photoreceptors, which allows for certain visual processes like color vision and edge detection.

A Unique Feature of the Retinal Circuitry Is That