The Collaborative International Dictionary
Psychophysical time
Psychophysical \Psy`cho*phys"ic*al\, a. Of or pertaining to psychophysics; involving the action or mutual relations of the psychical and physical in man.
Psychophysical time (Physiol.), the time required for the mind to transform a sensory impression into a motor impulse. It is an important part of physiological or reaction time. See under Reaction.