physical Flashcards

(31 cards)

1
Q

sensation

A

your body taking in raw info from the outside world

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2
Q

bottom up processing

A

how sensory system bring in raw info to be processed by our brain forming phycological experience of outside world

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3
Q

psychophysics

A

study of how physical stimuli are translated into a psychological experience

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4
Q

two central figures in psychophysics

A

webber & Fechner

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5
Q

Absolute threshold

A

smallest amount of sense that you need to detect it
high AT=needs more energy to detect

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6
Q

difference threshold

A

smallest amount of energy CHANGE you need to detect
high DT= need more energy to notice

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7
Q

weber’s law

A

as the intensity of a stimulus increases, so does it’s JND, proportionally

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8
Q

signal detection theory

A

past
expectations
motivation
level of fatigue

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9
Q

sensory adaptation

A

get used to a stimulus that you stop noticing it

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10
Q

transduction

A

your brain taking information and changing it into a signal you can read

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11
Q

wavelength

A

horizontal distance from one peak to the next
determines pitch

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12
Q

frequency

A

number of waves that pass a point in space during any time interval
determines pitch

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13
Q

amplitude

A

vertical height of the wave from top to bottom
determines volume

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14
Q

saturation

A

colorfulness of a hue

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15
Q

timbre

A

ability to detect different sources of sounds sharing similar pitch and amplitude

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16
Q

vision

A

interpretation of sight
photoreceptors
retina

17
Q

audition

A

interpretation of sound
mechanoceptors
cochlea

18
Q

olfaction

A

smell
olfactory bulb

19
Q

gustatory

A

taste
frontal & parietal lobes

20
Q

sensory interaction

A

when two senses happen and it influences persception

21
Q

papillae

A

bumps on tongue perceives texture and taste

22
Q

sweet

23
Q

salty

24
Q

bitter

25
sour
overripe
26
umami
flavor of meat and protein
27
tactile
touch mechanoceptors all over skin somatosensory cortex
28
tactile
touch mechanoceptors all over skin somatosensory cortexpain
29
pain
nociceptors all over skin somatosensory cortex
30
kinesthesis
knowing where limbs are without looking proprioceptors joints, tendons, ligaments cerebellum
31
vestibular
balance semicircular canals cerebellum