l11 vision Flashcards

(9 cards)

1
Q

concious pathway

A

to lateral geniculate nuclei (thalamus) to cortex

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2
Q

unconcious pathway

A

visual reflex (direct eyes)
- to superior coliculous (midbrain)

pupilary reflex: change in diameter of pupil
- to pretactal nucleous (midbrain)

spatial attention: remain eye when moving head
- to pulvina (thalamus)

circadian: light receptions based on circadian
- to superchiamastic (thalamus)

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3
Q

ventral stream to face

A

shape, high details

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4
Q

ventral stream to lgn

A

face recognition

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5
Q

dorsal stream

A

spatial attention

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6
Q

parasympathetic optic

A

circular contract eye

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7
Q

light pathway

A

Information travel from photoreceptors to retinal ganglion cell
Axon of rgc form optic nerve -> project to brain

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8
Q

Ø High convergence of receptors projecting onto rgc

A

rod, scotopic, large receptive field

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9
Q

1:1 relationshipof receptors projecting onto rgc (not convergence)
Ø FOVEA = HIGH ACUITY + COLOURS (NO RODS)

A

FOVEA = HIGH ACUITY + COLOURS (NO RODS)
only cone

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