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.
[1913 Webster]
{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}.
[1913 Webster]