Mind, Perception and Science

activity animal appears appropriate aware basis body brain caused cerebral cortex changes colour common conceptual concerned confusion consciousness consider corresponding depends describe difficulty distinguish electrical example excited exist experience experienced external world eyes fact feeling frequency function give hand happens hear ideas important impulses infer involved kind knowledge language light London look matter means mental MICHIGAN mind move nerve nerve-impulses nervous impulses nervous system never normally object observer occurs organ pain pathways patient pattern perceive perception perceptual world person philosophers physical world physiological position possible present problem projected qualities question reach Reader reason recognize referring regard relation relationship representation represented seems seen sensation sense sense-data sensory sound space spatial speak stimulus structure suppose surface Susan Stebbing symbols thing thought touch true visual whole