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.
The definition of profound is being deep, having intellectual depth or being intensely felt. An example of profound is a scientific equation proving God's existence. very deep or low: a profound abyss, sleep, etc.