Perception and the Conditioned Reflex

a-rhythm depression reaction acoustic afferent amplitude application arbitrary units associated auditory becomes extinguished blink reflex cephalic changes conditioned adaptation reflexes conditioned connexion conditioned motor reaction conditioned motor reflex conditioned orientation reflex conditioned reaction conditioned reflex conditioned stimulus cortex cortical darkness defence reaction defence reflex differentiation diminishes disinhibition ditioned duration efferent elaboration electrocutaneous experiments extraneous stimulus frequency galvanic skin reaction galvanic skin response gives rise Higher Nervous Activity illumination impulses increased inhibition inhibitory intensification intensity latent period light sensitivity light stimulus liminal motor response neuronal model non-signal stimuli non-specific observed occipital onset orientation reaction pain perception peripheral produced proprioceptive pupil pupillary reaction reappearance receptor recording reinforcement relationship repetitive stimulation result reticular formation reticular system retina sensitivity to light signal significance signal stimulus similar Sokolov sound stimuli specific supraliminal thermoregulation threshold tion unconditioned vascular reactions vasoconstriction vasodilatation vasomotor component vasomotor reactions verbal visual analyser weak light weakening