| Chapter 5: Sensation and Perception Two main theories of color perception: Trichromatic theory: we have 3 types of cones that are maximally responsive to certain wavelengths that correspond roughly to blue, green, and red. Opponent-process theory: we have 3 kinds of receptors in our visual cortex: a red/green module, a yellow/blue module, and a black/white module. Psychophysics methods Method of limits Errors of habituation Errors of anticipation Staircase method Method of constant stimuli |
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