Test 2 - Lecture 5 (Visual Perception) Flashcards Preview

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Flashcards in Test 2 - Lecture 5 (Visual Perception) Deck (13)
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1

extensive overlap between the receptive fields of adjacent ganglion cells; with a _______ of ON center and OFF center cells

homogeneous intermixing

2

nasal field of the contralateral eye project to layers __,__,__ of the lateral geniculate nucleus

1,4,6

3

temporal field of the ipsilateral eye project to layers ____,__,__ of the lateral geniculate nucleus

2,3,5

4

layer IV receives input from the

lateral geniculate nucleus

5

out from layer IV neurons converge upon 2nd order neurons in layers

III and II

6

2nd order neurons within the primary visual cortex are tuned to detect a ______ within the visual field of a light-dark boundary

particular orientation

7

s cones:

short wavelengths

8

m cones:

medium wavelength

9

l cones:

long wavelengths

10

trichromatic color vision

s cones - 5-10%
ratio of m to l cones vary between people

11

blobs

groups of neurons within the primary visual cortex that receive chromatic input from cones (color selective neurons)

12

orientation preference

responsive to spatial orientation

13

ocular dominance

comparison of input arising from the same point in the visual field from the right and left eye -> depth perception