An act of noticing or observing.
The fact of noticing or observing; a discovery.
Sensation or perception of motion.
The perception of the movement of one's own body, its limbs and muscles etc.
Proprioception or static position sense; the perception of the position and posture of the body; also, more broadly, including the motion of the body as well. See usage notes below.
A spectator's perception of the motion of a performer, or, the effect of the motion of a scene on the spectator.