{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

PSYCH-sensation and sleep

Theories of color vision 1 trichromatic theory three

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: have more of these • Cones are responsible for color vision Goes from retina to optic nevere Optic Nerve: contains axons of ganglion cells Information of the light is sent through the optic nerve to the brain. Then the brain takes over and perceives the light information. THEORIES OF COLOR VISION 1. TRICHROMATIC THEORY: Three types of cones- blue, green and red. We can sense colors based on how much activation is coming from each type of cone. Most colors are a mix of red, green and blue. PROBLEM: shouldn’t yellow be up in there? 2. OPPONENT PROCESS THEORY: Three different types of cones- receptors in visual system respond positively to one end, and negatively to another. So there’s blue- yellow cone, green- red cone, black- white cone. So you never see a bluish yellow color, or green reddish color, because as one is activated the other is negated. Researchers are still working on this...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern