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8 Cards in this Set
- Front
- Back
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What are sine wave gratings?
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grating with a sinusoidal luminance profile
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What is acuity?
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smallest spatial detail that can be resolved
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What is spatial frequency?
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number of cycles of a grating per unit of visual angle
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What is the lateral geniculate nucleus?
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a structure in the thalamus, part of the mid-brain, that receives input from the retinal gangliion cells and has input and output connections to the visual cortex
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What are magnocellular layers?
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neurons in bottom 2 layers of the laterl geniculate nucleus, physically larger
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What are parvocellular layers?
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neurons in the top four layers of the LGN, physically smaller
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What is topographical mapping?
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orderly mapping of the world in the lateral geniculate nucleus and visual cortex
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What is orientation tuning?
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tendency of neurons in striate cortex to respond optimally to certain orientations and less to others
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