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PSY 336 > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

Sensation

A

measurement of aspect of the environment

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2
Q

Perception

A

representation based on sensation

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3
Q

Stimulus

A

thing or event that evokes a reaction

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4
Q

Distal Stimulus

A

thing or event actually exists

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5
Q

Proximal Stimulus

A

closeness or proximity

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6
Q

Veridical

A

coinciding with reality

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7
Q

bottom up

A

info from senses

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8
Q

top down

A

info from memory and experience

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9
Q

Synapses

A

formed between axon terminals of one neuron and dendrites of other

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10
Q

Neurotransmitters

A

carry signals between neurons

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11
Q

Ions

A

carry electrical signals within neurons

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12
Q

Diffusion

A

molecules distributing themselves equally

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13
Q

Electrostatic Pressure

A

opposite charges attract while like charges repel

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14
Q

Action Potential

A

large electrical spike triggering neurotransmitter release

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15
Q

Light

A

has wavelength and frequency

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16
Q

Photon

A

particle of light

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17
Q

Sclera

A

white of eyes holding its shape

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18
Q

Choroid

A

provides nourishment to retina

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19
Q

Retina

A

detects light and passes info to brain through optic nerve

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20
Q

Anterior

A

between cornea and iris

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21
Q

Posterior

A

between iris and lens

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22
Q

Vitreous

A

main interior of eye

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23
Q

Anterior Chamber

A

produces aqueous humor

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24
Q

Cornea

A

front of eye

25
Q

Iris

A

colored part of eye

26
Q

Pupil

A

gap in Iris allowing light to pass

27
Q

Photoreceptors

A

sensory receptors detecting light

28
Q

Fovea

A

central region of retina

29
Q

Macula

A

larger region surrounding fovea

30
Q

Rods

A

respond to faint light

31
Q

Cones

A

respond to bright light and used for color vision

32
Q

Photopigments

A

chemicals in rods and cones

33
Q

Acuity

A

precision of vision

34
Q

Cortical Collumns

A

composed of cells across layers

35
Q

Ocular Dominance

A

cells in V1 showing preference

36
Q

V2 Cortex stripe types

A

thick: motion info
thin: color info
pale: shape info

37
Q

Ventral Pathway V4

A

color perception

38
Q

Occlusion

A

objects overlapping

39
Q

Gestalt Psychology

A

principles of perceptual grouping

40
Q

Perceptual Inference

A

most probable distal stimulus for proximal stimulus

41
Q

Invariance

A

changing stimulus doesn’t change visual system response

42
Q

Biederman’s geons

A

all objects represented by 36 shapes

43
Q

Lateral Occipital Cortex

A

respond to intact objects

44
Q

Fusiform Face Area

A

respond to faces

45
Q

Parahippocampal Place Area

A

respond to places

46
Q

Visual Agnosia

A

inability to recognize objects

47
Q

Prosopognosia

A

inability to recognize faces

48
Q

Heterochromatic

A

composed of different wavelengths

49
Q

Monochromatic

A

composed of single wavelength

50
Q

Achromatic

A

having no color

51
Q

Metamers

A

two different stimuli perceived as identical

52
Q

Bleaching

A

photopigment taking time to absorb new photon

53
Q

Monochromacy

A

can’t distinguish between colors

54
Q

Rod Monochromacy

A

no cones

55
Q

Cone Monochromacy

A

one type of cone present

56
Q

Protanopia

A

confuse red and green, red cones filled with green opsin

57
Q

Deuteranopia

A

confuse red and green, green cones filled with red opsin

58
Q

Tritanopia

A

retina lacks blue cones, sees reds and greens only

PSY 336 (1 decks)

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