BRIGHTNESS

n. in visual perception, refers to a state of enhanced light intensity. Being the source of light, the stimulus is dependent on factors such as wavelength, amplitude, environment, intervening (other) stimuli, and adaptation to light (by the observer). See luminance- also contrast.

BRIGHTNESS: "The ability to read at night is basically affected by the brightness of light."
Cite this page: Nugent, Pam M.S., "BRIGHTNESS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/brightness/ (accessed October 20, 2018).
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