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PSYCH 1X03 (1,058)
Joe Kim (989)
Lecture

Psych Lecture Day 7.docx

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Department
Psychology
Course
PSYCH 1X03
Professor
Joe Kim
Semester
Winter

Description
Psych Lecture 7: Visual System: Colour Perception - Our visual system is not like a camera - Human biased to assume world is experienced the same - Vision is perceiving electromagnetic energy o Visual spectrum Is just part of a continuum o We just perceive infrared as heat but some species (snake) can see in infrared  Advantages: even in low lamination settings may still see prey while other predators cannot  Humans can imitate this by using infrared goggles  NOTE: After several time of stimulus in infrared probably adaptation  Interesting: you can also see afterimages of infrared heat o Bias: colours around you are just in your head o Why is colour information important?  Colourful frog=>lethal toxin  Bright red food easier to see against green backgroundforaging hypothesis  Marmosets can be dichromatic or trichromatic and we can compare their foraging ability in the same species  Placed into open field and cereal KIX died orange was spread out throughout grass field and question was whether trichromatic marmosets had an advantage  Yes there was advantage  Humans take advantage: e.g. soldiers  Women with higher es
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