The Spiral After-effect

after-effect duration after-images after-sensation alpha alpha rhythm amytal ANALYSIS OF VARIANCE apparent movement appear aspects assessed authors brain damage cent Claridge and Herrington clinical contour contracting correlation cortical Costello demonstrated dexedrine diagnostic differential direction disc disinhibition Drug effects duration scores expanding experimental experiments explanation Extraversion Theory eye movements Eysenck factor failed fixation Freeman and Josey function Gallese hemiretinas Holland hypothesis illumination impairment indicated individual differences inhibitory instructions interval introverts investigation massed practice massed trials measure memory meprobamate neurological neuroticism normal objective movement observed organic outlined perception perceptionist Pickersgill and Jeeves placebo predicted Price and Deabler produced Psychol psychologist reactive inhibition relationship reminiscence retinal satiation shorter after-effects significant sodium amytal speed of rotation spiral after-effect spiral duration spiral illusion spiral performance spiral scores Spitz Spivack and Levine stimulation stroboscopic subjects tachistoscope technique tion transfer variables velocity visual angle waterfall