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8 Cards in this Set

  • Front
  • Back
What are sine wave gratings?
grating with a sinusoidal luminance profile
What is acuity?
smallest spatial detail that can be resolved
What is spatial frequency?
number of cycles of a grating per unit of visual angle
What is the lateral geniculate nucleus?
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
What are magnocellular layers?
neurons in bottom 2 layers of the laterl geniculate nucleus, physically larger
What are parvocellular layers?
neurons in the top four layers of the LGN, physically smaller
What is topographical mapping?
orderly mapping of the world in the lateral geniculate nucleus and visual cortex
What is orientation tuning?
tendency of neurons in striate cortex to respond optimally to certain orientations and less to others