Eyes Flashcards

1
Q

Rhodopsin

A

Transduces photons to electrical signal

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2
Q

Cornea

A

Focuses light, convex, converging

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3
Q

Pupil

A

Gathers incoming light

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4
Q

Iris

A

Colored, restricts and contracts, opens up

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5
Q

Fovea

A

Focusing spot of eye, lots of cones

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6
Q

Rods and Cones to ->

A

Bipolar cells to ganglion cells to optic nerve

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7
Q

optic chiasm

A

optic nerve crossing point

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8
Q

thalamus

A

directs sensory input

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9
Q

Lateral Geniculate Nucleus (LGN)

A

Main area of thalamus for visual processing (medial, MGN for sound)

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10
Q

LGN VS MGN

A

light v. music

Visual v Auditory

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11
Q

Occipital lobe

A

Takes visual info from thalamus and processes it

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12
Q

Superior Colliculus

A

Allows tracking of objects (Superman has superior vision)

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13
Q

Parallel Processing

A

Analyzes lots of stuff at once

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14
Q

Feature Detection

A

Filtering to identify

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15
Q

Parvo cells

A

Shape

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16
Q

Magno cells

A

Motion

17
Q

Top-Down Processing

A

Recognize big picture from memory, then check details (More susceptible to bias and mistakes) (faster)

18
Q

Bottom-Up Processing

A

Looking at details, building a picture from it

19
Q

law of pragnanz

A

simple, logical, regular as possible

20
Q

Law of Proximity

A

See things as a group

21
Q

Law of Similarity

A

See individual things amongst a mix

22
Q

Law of good continuation

A

keep things continuous, not weirdly, even though it could be seen that way

23
Q

Subjective Contours

A

Insert shapes that are not there, from voids (usually multiple opinions on what is seen)

24
Q

law of closure

A

filling gaps from voids to make one complete thing