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Lecture 2

PSYC 1200 Lecture 2: Lecture 2

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PSYC 1200
Dawson Clary

Amplitude (brightness) – more light reflected = brighter Complexity/purity (saturation) – single wavelength = pure/vivid/highly saturated, multiple wavelengths = complex/dull/low saturation 5 Visual Constancies: 1) Shape: viewing angle changes shape of object’s image on retina, but we don’t perceive the shape as changing 2) Location: as we move and our eyes move, the location of the retinal image an object projects changers, but we don’t perceive changes in its location 3) Size: an object’s retinal image gets smaller as it moves farther away, but we don’t perceive the object as getting smaller 4) Brightness: the amount of light reflected by an object changes constantly with the amount of light in the environment, but we don’t perceive changes in the object’s brightness 5) Colour: wavelength of light projected by an object changes with the amount of light “out there” but we don’t perceive the object as changing colour The Eye Light enters the eye through the cornea and cr
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