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Unformatted text preview: action potentials.
Stimuli—receptor (pupil, iris)—cornea, focus on incoming light—rods and cones, convert light waves
into electrical impulses. Processed by bipolar, amacrine, passed to ganglion cells—optic nerve. Left
visual field go to right visual cortex and vice versa.—perception.
We categorize colour along three dimensions: hue, brightness, and saturation.
Hue: consists of the distinctive characteristics that place a particular colour in the spectrum. (a colour’s
greenness, or orangeness)
Brightness: perceived intensity, or luminance. Total amount of light reaching the eye.
SaturationL a colour’s purity, or intensity.
Three different cones:
Sensible to blue light: short wavelengths.
Sensible to green light: medium wavelengths
Sensible to red light: long wavelengths
Our perception of colour is determined by the ratio of activity a...
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This note was uploaded on 01/18/2014 for the course PSY 100H1 taught by Professor Dolderman during the Winter '12 term at University of Toronto.
- Winter '12