PSYB51H3 Lecture Notes - Aerial Perspective, Strabismus, Diplopia

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Short answer question : cant contrast diff wavelenghts, so each cone is not dedicated to a color, you cant tell diff between diff colors see diff shades of luminescence. If you only have 1 type of cone receptor. There is a same response to diff wavelengths. Prob is theya re not specific respond to a range rather than just 1. Get an output from photoreceptors just 1 type of output, how stimulated photoreceptor is depends on wavelength and intensity. So all kinds of mixes will yield same output. To be solved there are more color cones. Eye movements refresh retina so there;s no adaptation. We need to make eye movements to move the fovea around, they are almost speficically designed for vision and mostly nothing else. Eye movements are the simplest kind of movements. 3 dimensions of rotation, in each dimension there are 2 directions so that"s y you need 6 eye muscles.

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