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| Trichromatic Theory (Young and Henholz) |
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Definition
| 3 colors that make up every color (red, green, blue), cant explain yellow, trouble explaining color after images *before/at retina |
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| (red on, green off cells, yellow/blue cells, black/white cells)overact stimulus, when stop the outer cell color appears *after retina |
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| form perception (Gestalt) |
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Definition
| figure-ground, proximity, similarity, continuity, closure, simplicity |
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Definition
| anytime visually perceiving a scene, we divide the main figure from the background |
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| the closeness of items, we have a tendency to group items that are closer together into the same form |
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| items that have common features get grouped together in the same form |
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| tendency to make paths/form lines or curves from objects |
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Definition
| we group elements together to complete an object |
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| group elements together that combine into forms that we already know |
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| only need one eye but we get different information from each, binocular cues and monocular cues |
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retinal disparity: difference in what the two eyes are seeing
convergence: eyes moving in to keep focus on an object |
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motion parallax: the further away something is the longer it takes to get across the retina
pictoral depth cues: relative size (the smaller it is the further away we perceive it), linear perspective (things converge in the distance), height in plane (suggest distance), light and shadow (individual objects), interposition (one overlaps the other we assume its in front), texture gradient (see more texture in closer objects) |
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Definition
| our learned tendency to understand that objects don't grow by moving forward or backward |
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