Perception Flashcards

1
Q

perception

A

a set of processes by which we recognize, organize, and make sense of the sensations we receive from environmental stimuli

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2
Q

Audition

A

our ability to hear: made of the external ear, ear drum, middle ear, cochlea, and auditory nerve

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3
Q

the type of hair cells lost first are ____

A

high-frequency hair cells due to more stress and early appearance

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4
Q

auditory perceptual disorder

A

reduced ability to perceive information from auditory stimuli despite intact pathways

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5
Q

olfaction (olfactory)

A

our sense of smell, small molecules enter the nose and there is a direct input to the brain

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6
Q

hyposmia; anosmia

A

reduced ability to detect odors; inability to detect odors

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7
Q

congenital anosmia

A

when one is born without their sense of smell

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8
Q

parosmia

A

change in the normal perception of odors

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9
Q

phantosmia

A

sensation of an odor that isn’t really there

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10
Q

gustation

A

taste sense from our tongue; 4 main are sweet, sour, salty, and bitter

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11
Q

what other senses affect taste?

A

smell, sight, and touch

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12
Q

what does gustation tell us?

A

how to engage with the environment accurately, internal signaling of how well your brains orders are being followed

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13
Q

Sensory Homunculus

A

hands, lips, tongue, gentials

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14
Q

nociceptors

A

pain receptors

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15
Q

phantom limb

A

after amputation, continued feeling of a limb being present and periodic pain where the limb used to be

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16
Q

photoreceptor cells

A

rods and cones

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17
Q

rods

A

detect levels of light and are more toward our peripheries of the eye, more rods than cones. Several rods are connected to the same interneuron/output

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18
Q

cones

A

red, green, and blue are responsible for our perception of colors and hues and near the fovea. One cone is connected to one interneuron/output

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19
Q

scotopic vision

A

responsible for vision at low light (rods)

20
Q

photopic vision

A

responsible for color vision and high light and spatial acuity

21
Q

dark adaptation

A

as we adapt, we see better, but the outside world didnt change => due to rods

22
Q

visual illusions

A

we make inferences based on what is more common but this can be deceiving

23
Q

if we see the background of the dress picture as lighter…

A

we see the dress as blue

24
Q

if we see the background of the dress picture as darker

A

the dress looks more white and gold

25
rotating mask illusion
as the mask rotates we make a face out of the back => unlikely objects tend to be mistaken for likely ones
26
perceptual constance
tendency to perceive an object we are familiar with as having a constant shape
27
gestalt laws
set of principles that proposes humans naturally percieve organized patterns and objects
28
gestalt => proximity
29
gestalt => similarity
30
gestalt => common fate
31
gestalt => good continuation
32
gestalt => good form
33
gestalt => closure
34
contrast effect
perception of an intensified or heightened difference between two stimuli when they are juxtaposed
35
facial inversion effect
when faces are upright we easily see distortions but when upside down we fail to notice these
36
prospagnosia
difficulty in the ability to recognize faces isn't attributed to intellectual function
37
the face processing area is in the ___ region in the ___ lobe
fusiform; temporal
38
ventral stream
temporal pathway for shape recognition (WHAT)
39
Dorsal stream
parietal pathway for object location (WHERE)
40
agnosia
inability to process sensory information
41
visual agnosia
only seeing parts of an object instead of a whole; damage to WHAT pathway
42
anomia
inability to name objects
43
optic ataxia
damage to superior regio in the posterior parietal cortex; trouble reaching to pick up objects but can be named just fine
44
blindsight
inability to see despite healthy eyes and subconscious use of visual information
45
synethesia
when senses get mixed up
46
chromesthesia
colors cause sound and sound causes colors to show up