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10 Cards in this Set
- Front
- Back
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How is visual information processed?
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-Neural impules travel from retina
-to the LGN -to the V1 |
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What is the LGN?
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Lateral Geniculate Nucleus
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What is the V1?
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Primary Visual Cortex
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What did Stephen Kuffler discover?
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He discovered center-on and center-off cells in the retina and LGN of cats
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center-on
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only fire when light his the middle
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center-off
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only fire when a light hits the outside
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What are Gregory's 4 Illusions?
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ambiguity- Necker cube
distortion- 2 lines with backwards arrows paradox- Penrose staircase fiction- Kaniza triangle (white triangle from spaces in lines and solids) |
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Arguments of Gregory's view
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-Lacks validity 'cause it doesn't focus on everyday perception, but rare "abnormalities"
- Doesn't explain how ppl acquire the perceptual knowledge required for perception - Some exlanations of why illusions occur are not very convincing |
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J.J. Gibson's theory of direct perception cues (6)
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-texture
-perspective -interposition -relative size -motion -stereopsis |
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J.J. Gibson coined the phrase:
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optic flow: how we view the environment (things moving away get smaller, etc.)
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