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.
Depth of Field. Depth of field is a photography term that refers to how much of the image is in focus. The camera will focus on one distance, but thereâs a range of distance in front and behind that point that stays sharpâthatâs depth of field. Portraits often have a soft, unfocused backgroundâthis is a shallow depth of field.