transmit the sensory impulse to the appropriate part of the brain or spinal cord for interpretation and processing; also known as association neurons.
depth. 1  the distance from the top downward, from the surface inward, or from front to back. 2  perspective, as in a painting. 3  the quality or condition of being deep; deepness; specif., 4  intensity, as of colors, silence, or emotion.
Eye Health. Depth perception is the ability to perceive the world in three dimensions (3D) and to judge the distance of objects. Depth perception is achieved when the brain processes different pictures from each eye and combines them to form a single 3-D image.