TY - GEN AU - Pressey,A W TI - Psychophysical methods and life-span changes in visual illusions SN - 0031-5125 PY - 1987///1224 KW - Aging KW - psychology KW - Humans KW - Illusions KW - Optical Illusions KW - Perceptual Distortion KW - Psychophysics N1 - Publication Type: Journal Article UR - https://doi.org/10.2466/pms.1987.65.1.83 ER -