sensation and perception Flashcards

1
Q

absolute threshold

A

the minimum amount of stimulation required to trigger a reaction or produce a sensation

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2
Q

difference threshold

A

the minimum increase in a stimulus required to detect a difference in the perception

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3
Q

signal detection theory

A

detection depends on experience, expectations, alertness

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4
Q

sensory adaptation

A

diminished sensitivity as a result of constant stimulation

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5
Q

sensory habituation

A

diminished sensitivity due to regular exposure

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6
Q

perceptual set

A

tendency to see something as part of a group

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7
Q

inattentional blindness

A

failure to notice something added because you’re so focused on another task

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8
Q

cocktail party effect

A

notice your name across the room when its spoken of when you weren’t previously paying attention

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9
Q

cornea

A

protects eye

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10
Q

pupil/iris

A

controls amounts of light entering eye

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11
Q

lens

A

focuses light on retina

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12
Q

rods

A

black and white

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13
Q

cones

A

colors

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14
Q

visual capture

A

visual system trumps all others

for example: nauseous in a movie theater; vision trumps vestibular

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15
Q

monocular cues

A

how we form a 3D image from a 2D image

size, height, shape, light, shadows, perspective, etc

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16
Q

interposition

A

overlapping images appear closer

17
Q

binocular cues

A

how both eyes make up 3D objects

18
Q

top down processing

A

do whole first, then do smaller parts (ex: painting)

19
Q

bottom-up processing

A

smaller parts, then whole

20
Q

pinna

A

visible part of ear

21
Q

auditory canal

A

sound enters here

22
Q

ear drum

A

vibrates the incoming sound and sends it further

23
Q

hammer, anvil, stirrup

A

transmit sound and send it to the inner ear

24
Q

cochlea

A

spiral, produces nerve impulses in reaction to sound

25
auditory nerve
carries sound information all the way to the brain
26
vestibular sense
sense of balance (semicircular canals in inner ear effect this)
27
semicircular canals
three liquid filled tubes in ears that regulate balance
28
kinisthetic
sense of body position
29
gate control theory
we have a "gate" to control how much pain is experienced
30
5 taste receptors for taste
bitter, sweet, salty, sour, umami
31
gesalt psychology
whole is greater than sum of its parts principles about grouping and sensation of things