PSYCHOPYSICS IS A BRANCH OF PSYCHOLOGY..................THAT STUDIES THE RELATIONSHIP BETWEEN THE PHYSICAL PROPERTIES OF STIMULI AND OUR PSYCHOLOGICAL PERCEPTIONS OF THEM.. E.G.,COLOR IS A PSYCHOLOGICAL PERCEPTIONS OF SPECEFIC WAVELENGTHS OF THE VISIBLE SPECTRUM OF LIGHT. COLOR DOES NOT EXIST WITHOUT THE EYE CAN SEE IT . EVERY SENSORY MODALITY HAS SIMILAR INTERESTING RELATIONSHIP WITH THE PHYSICAL WORLD................................................................................................................................
