BLOCH'S LAW

246

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.

BLOCH'S LAW: "Bloch's Law defines the visual threshold that is reached when both illumination and time reach a constant."
Cite this page: N., Sam M.S., "BLOCH'S LAW," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/blochs-law/ (accessed December 6, 2022).

LEAVE A REPLY

Please enter your comment!
Please enter your name here