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psych test sleep Flashcards

1
Q

dendrites

A

receives messages from other cells

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2
Q

axon

A

passes messages away from the cell body to other neurons,muscles, or glands

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3
Q

cell body

A

the cells life center

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4
Q

neural impulse

A

electrical signal traveling down the axon

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5
Q

myelin sheath

A

covers the axon some neurons and helps speed neural impulses

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6
Q

nodes of ranvier

A

spaces between the myelin sheath that keep the charge going

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7
Q

neurotransmitters

A

chemicals held in terminal buttons that travel through synaptic gap, allows communication with other neurons

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8
Q

frontal lobe

A

reasoning,motor control, emotion, language

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9
Q

parietal lobe

A

sensory, touch, temp, pain

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10
Q

temporal lobe

A

temples, hearing,memory,emotion, some language

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11
Q

occipital lobe

A

used to interpret visual info/ sight

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12
Q

cerebral cortex

A

thinking, memory, emotion

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13
Q

corpus callosum

A

communication for both sides of the brain

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14
Q

thalamus

A

info from body, relaying sensory

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15
Q

brain stem

A

carrie’s nerve signals

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16
Q

cerebellum

A

motor functions aka walking

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17
Q

medulla

A

vital processes like heartbeats

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18
Q

pons

A

sleep/wake cycle , breathing

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19
Q

pituitary gland

A

growth and reproduction

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20
Q

hypothalamus

A

homeostasis

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21
Q

left brain

A

more logical and analytical

22
Q

right brain

A

creative or artistic

23
Q

hemispheres

A

divided into a left and right hemi lateralization

24
Q

contralateral control

A

left control right side of body and vise versa

25
Q

Right hemi

A

plays a larger role in recognizing faces and pictures

26
Q

left hemi

A

plays a bigger role in language recognizing words

27
Q

genetics

A

genes we are born with

28
Q

phenotype

A

traits that are physical( you can see)

29
Q

homozygous

A

BB OR bb

30
Q

heterozygous

A

Bb

31
Q

dizogotic twins

A

fraternal, dif eggs, similar as siblings

32
Q

monozygotic twins

A

identical, same egg, same genotype, can have different phenotypes

33
Q

normal consciousness

A

you are alert and awake

34
Q

circadian cycle

A

24 hours

35
Q

sleep: infants

A

15-18h

36
Q

sleep: teens

A

9-9.3

37
Q

sleep: adults

A

7-8h

38
Q

why do we sleep

A

rest and restore body,grow, learning

39
Q

stage 1 nrem

A

alpha to theta waves, light sleep first 5-10 minutes

40
Q

stage 2 nrem

A

last around 20 minutes, heart rate decreases and temp, losing awareness of external environment

41
Q

stage 3 nrem

A

deepest stage of sleep lasts around 30 mintues, most difficult stage to wake someone

42
Q

stage 4 nrem

A

same to stage 3 except there is more delta waves

43
Q

rem rapid eye movement

A

90 minutes into the sleep cycle, increased brain act, dreaming occurs

44
Q

rem rebound

A

when people are deprived of rem sleep they will fall instantly into rem instead of the cycle

45
Q

sleep disorders

A

sleepwalking
sleep talking
night terrors
sleep apnea
insomnia
narcolepsy

46
Q

hypnosis

A

wakeful state of focused attention

47
Q

posthypnotic suggestion

A

give instructions to carry out after a session

48
Q

meditation

A

method that attempts to get beyond consciousness into a deeper state of relaxation

49
Q

tolarance

A

body getting used to subtanse

50
Q

dependence

A

psychological symptoms that make a person feel like they should continue to use a substance

51
Q

antagonist

A

substance that blocks activity of a receptor

52
Q

agonist

A

substances that bind to synaptic receptors

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