Intro to Psych Unit 1 pt 2 Flashcards

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1
Q

pons (brain stem)

A

involved in sleeping, waking, dreaming and more

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2
Q

medulla

A

responsible for certain autonomic functions
(ex breathing)

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3
Q

reticular activating system

A

arouses higher centers when something happens and demands attention

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4
Q

cerebellum (lesser brain)

A

regulates balance and movement
-if damaged, no coordination
-involved in classical conditioning and remembering simple skills
-assists in perceptual processes, working memory, speech, and language

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5
Q

thalamus

A

relays sensory messages to cerebral cortex
directs sensory mesages to higher areas in charge of vision, sound, and touch

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6
Q

hypothalamus

A

involved in emotions and drives vital to survival
-regulates autonomic nervous system
-keeps body in homeostasis
-regulates temperature

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7
Q

pituitary gland

A

-endocrine gland
-secretes hormones
-the supervisor of the body
-reports to the hypothalamus

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8
Q

amygdala

A

evaluates sensory info
-contributes to the decision to run or approach
-works with higher brain area to regulate response
-works with anxiety and depression
-retrieves emotional memories

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9
Q

hippocampus

A

-key in forming new memories
-combining experiences to create one memory

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10
Q

cerebrum

A

in charge of most sensory, motor, and cognitive process
-two separate halves (cerebral hemisphere)

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11
Q

right hemisphere

A

in charge of the left side of the body

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12
Q

left hemisphere

A

in charge of the right side of the body

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13
Q

cerebral cortex

A

largely responsible for higher mental functions (sensation, memory, thought, and association)
-fissures divided in to 4 regions

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14
Q

occipital lobe

A

lower back of brain
-receives visual info
-signals are processed

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15
Q

parietal lobe

A

top of the brain
-contains somatosensory cortex
-recieves info on pressure, pain, touch and temp
-handless attention and awareness of spatial relationships

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16
Q

temporal lobes

A

on the sides of the brain
-contain areas involved in hearing, emotion, memory, visual processing and language comprehension

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17
Q

frontal lobes

A

front of the brain
-contains areas involed in movement, working memory, controlling emotions and impulses (making plans, creative thinking, empathizing with others)

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18
Q

prefrontal cortex

A

-involved with reasoning, decision making, personality

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19
Q

visual pathways

A

each hemisphere receives info about the opposite side of the visual field
(right and left)

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20
Q

sensation

A

how do our senses take in and absorb info

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21
Q

perception

A

how does our brain organize and interpret said info

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22
Q

typical senses

A

sight, hearing, smell, taste, and touch

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23
Q

skin senses

A

hot and cold, pain

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24
Q

ear sense

A

balance

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25
Q

skeletal muscles sense

A

movement

26
Q

sense receptors

A

convert physical energy into electrical energy
-transmitted as nerve impulses to the brain

27
Q

absolute threshold

A

smallest amount of energy detected reliably
-flashes of light in a dark room

28
Q

difference threshold

A

smallest amount by which two stimuli can differ in order for someone to perceive them as different
-cookies vs brownies

29
Q

inattentional blindness

A

failure to consciously register things that we are looking at due to not paying attention

30
Q

sensory adaptation

A

sensation fades, receptors fire less
-filters our unimportant info

31
Q

sensory deprivation

A

absences of normal levels of sensory stimulation (too much is bad)

32
Q

sensory overload

A

too much sensory info at once
-noticing everything at once

33
Q

selective attention

A

focusing on some parts and blocking out others

34
Q

stimulus for vision

A

light
-reflected off items in environment

35
Q

psychological dimensions of visual world

A

hue, brightness, and saturation

36
Q

hue: color names

A

related to wavelength of light (distance between crests of light wave)

37
Q

shorter waves

A

violet and blue

38
Q

longer waves

A

red and orange

39
Q

combo of all wave lengths

A

white

40
Q

brightness: lightness

A

amount (intensity) of the light an object emits or reflects
-corresponds to minimum height (amplitude) of wave

41
Q

short wavelength

A

high frequency (blueish)

42
Q

long wavelength

A

low frequency (reddish)

43
Q

great amplitude

A

bright colors

44
Q

small amplitude

A

dull colors

45
Q

saturation: colorfulness

A

how rich a color is
-purity of light
-complexity of light

46
Q

one wavelength

A

pure and rich looking

47
Q

black

A

unsaturated because no color

48
Q

white

A

all wavelengths, still unsaturated

49
Q

retina (visual receptors)

A

location of visual receptors, back of the eye

50
Q

rods (visual receptors)

A

visual receptors that respond to dim light

51
Q

cones (visual receptors)

A

visual receptors involved in color vision

52
Q

dark adaptation (visual receptors)

A

sensitive to dim light

53
Q

ganglion cells

A

gathers info from receptor ells through bipolar cells

54
Q

trichromatic theory

A

1st level of color processing
-3 types of cones (blue, green, red)
-color blindness and color defiant

55
Q

opponent process theory

A

2nd stage of color processing
-occurs in ganglion cells in retina and neurons in thalamus and visual cortex
-cells respond to short wavelengths and inhibited from firing by long wavelengths or vice versa

56
Q

net result

A

color code passed to higher visual cneters

57
Q

negative afterimage

A

op cells inhibited by one color produce burst of firing when color is removed or vice versa

58
Q

gestalt

A

“the whole is more than the sum of it’s parts”
-characteristics emerge from the whole that are not found in individual pieces

59
Q

proximity

A

things near each other other are grouped together

60
Q

closure

A

brain fills in gaps to perceive complete forms

61
Q

similarity

A

things that are alike in some way are perceived as belong together

62
Q

continuity

A

lines and patterns perceived as continuing in time and space