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.
superficial, shallow, cursory mean lacking in depth or solidity. superficial implies a concern only with surface aspects or obvious features. a superficial analysis of the problem; shallow is more generally derogatory in implying lack of depth in knowledge, reasoning, emotions, or character. a light, shallow, and frivolous review