LANGREITER.COM plain, simple | |||||||
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unchecked. - 30-35% of brain dedicated to vision - you don't see with your eyes - Retina: a little thinner than a credit card - 5 million cones ![]() - 100 million rods ![]() - concentration of cones in the Fovea (point of sharpest seeing) - retina (rods) can pick up individual photon (!) - [gets filtered out, tho] - Achromatopsia: no cones, rods easily saturated > see only bright fog - wavelengths: long, medium, short - very different distributions of photoreceptors - everyone sees color differently - no such thing as objective color - (?) mothers of color-blind sons have 4 cone photoreceptors (at least genes - but hooked up?) - (?) most naturally occurring wavelengths can be perceived w/ 3 cones - different ganglian cells carry different information (fine, some details?) - in fish, brain feeds back to retina ("but then, fish are odd") - Saccade: eye jumpery - if no eye movement, things fade out - can't see your own eye movement due to Saccadic Suppression |
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