4.10 - OPPONENT PROCESS THEORY
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7 Terms
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What is opponent process theory?
Perceiving colour in terms of opposite ends of the spectrum
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What is the opposite of red?
green
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What is the opposite of yellow?
blue
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What is the opposite of white?
black
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What are negative afterimages?
When you stare at something for so long, when you look away you see an after image but in the opposite colour
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What would happen if vision was based only on trichromatic theory?
Red-green colour blind people wouldn’t see yellow
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Why is opponent process necessary?
Allows for more fine colour perception
Pattern of opponent neuron responses reveals wavelength of light that produced it
Note 
Flashcards (48)