n. in vision, refers to the temporal law of summation which describes how the duration of time must be doubled if the brightness of a light stimulus is halved. This holds true when light is of short duration. Also called Bunsen-Roscoe Law.
n. in vision, refers to the temporal law of summation which describes how the duration of time must be doubled if the brightness of a light stimulus is halved. This holds true when light is of short duration. Also called Bunsen-Roscoe Law.