Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PSYCH 111 > Body Rhythms and States of Consciousness > Flashcards

Body Rhythms and States of Consciousness Flashcards

You may prefer our related Brainscape-certified flashcards:
Psychology 101 flashcards GRE® Psychology flashcards
1
Q

can the body adjust to a nightshift?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

how many hours of sleep should teens get?

A

8-10 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

how many hours of sleep should adults get?

A

9 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

nonsomaniacs

A

people who need less than 4-6 hours of sleep and can still functions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what happens during sleep for kids?

A

growth hormones are secreted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the 5 theories of why we dream?

A

freud wish-fulfillment, information processing, physiological function, activation synthesis, cognitive development

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

freud wish-fulfillment

A

expressing otherwise unacceptable feelings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

information processing

A

help us sort out the day’s events

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

physiological function

A

help develop and preserve neural pathways

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

activation synthesis

A

REM triggers neural activity which produce random memories, our brain weaves these into stories

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

cognitive development

A

reflects our level of cognitive development, our knowledge and understanding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

relaxed wakefulness

A

short brain waves, relaxed but still awake, high frequency alpha waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

stages of sleep (in order)

A

relaxed wakefulness
stage N1
stage N2
stage N3
back to N2
REM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

stage N1

A

theta waves, higher but further apart, dream-like images but no dreaming during this stage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

division of sleep throughout the night

A

N1 is 5%
N2 is 50%
N3 is 25%
Rem is 20%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

stage N2

A

sleep spindles and K-complex, deeper sleep, most time spent here

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

stage N3

A

rolling delta waves, deeply asleep and harder to wake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

how long does it take to get from relaxed wakefulness to N3?

A

30 minutes or more

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

REM or dreaming sleep

A

rising heart rate and rapid breathing, have dreams, when woken up during this stage you have the best chance of remembering your dreams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

spend more time in ____ in the first half of the night, as sleep progresses you have more ______

A

deep sleep, REM sleep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

circadian rhythm

A

set biological clock, every 24 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

photoentrainment

A

setting the circadian clock, light hitting our eyes starts this process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

melanopsin

A

ganglion cells contain this pigment in the eye that may be responsible for body rhythms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

melatonin

A

secreted by pineal gland, rises during sleep and falls when in a lighted room awake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Ganglion cells activate _____ –> pineal gland secrets ______

A

melanopsin; melatonin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

fatal familial insomnia

A

very rare, problem with the thalamus, have around 18 months to live, cannot fall asleep no matter what
go from irritable to anxious to immobile
confirms we need sleep

27
Q

appetite in sleep deprivation

A

makes body store more fat, more disruptive sleep = heavier body weight

28
Q

cognition in sleep deprivation

A

sleep deprived = worse balance/cognition

29
Q

Rechtschaffen rats

A

kept rats awake while they balanced on a ball and fell into water when fell asleep, died after 2 weeks in these conditions

30
Q

Czeisler studied first year medical students

A

30 hr shifts twice a week 1:5 make mistakes, 1:20 were fatal

31
Q

why do drunk drivers take more lives than sleepy drivers (statistically)?

A

you can measure intoxication but not drowsiness

32
Q

drowsy symptoms in a driver

A

less vigilant, heavy eyelids, cannot perform fast reflexes, yawning, daydreaming, poor recall of last few miles

33
Q

drunk symptoms in a driver

A

eyesight, messes depth perception, impairs judgement, lowers inhibition and impulsive

34
Q

how to fix drowsy driving

A

avoid alcohol, have someone else in car, make frequent stops, drink caffeine

35
Q

how to not fix drowsy driving

A

toughing it out, turning up volume on radio, driving faster or slower, opening window

36
Q

what did freud think of dreams?

A

served vital purpose to bring messages from the unconscious mind to conscious mind

37
Q

latent

A

hidden content of dreams, freud believed this was the symbolism behind them

38
Q

manifest

A

what the dream is about

39
Q

how much of baby sleep is REM?

A

50%

40
Q

sleep disorders are more common in ___

A

infants/children

41
Q

why are children more scared of dreams?

A

they don’t understand that some dreams aren’t real

42
Q

SIDS

A

sudden infant death syndrome: unexplained death of an infant under one year of age, most common cause of death in babies under one

43
Q

peak incidence of SIDS is

A

3 months of age, during the night of cold-weather months

44
Q

infants at higher risk for SIDS are

A

formula fed, sleep on stomach, smoking environment in and out of utero, poor prenatal care, male, premature and ones who sleep alone

45
Q

causes of SIDS

A

mostly unknown but possibly because genetic vulnerability combined with environmental risk (nature/nurture)

46
Q

why is sleep an evolutionary relic?

A

keep us safe from predators

47
Q

____ get more sleep than ____

A

predators, prey

48
Q

insomnia

A

most common sleep disorder, difficulty falling asleep or staying asleep

49
Q

how to help insomnia

A

decrease screentime in evening and an hour before you sleep, meditation, avoid caffeine (especially in second half of day), regular exercise

50
Q

narcolepsy

A

chronic, affects brains ability to control brain wake-sleep cycles. you feel rested when waking up but falls asleep during the day, can experience limp muscles and REM imaging

51
Q

Obstructive sleep apnea

A

snoring is a sign, soft tissue in throat collapses which causes brain to send emergency signal, body goes into panic state to wake up. can lead to cardiac death and stroke. most common in middle-aged men and being overweight in chest and waist

52
Q

types of parasomnias

A

sleepwalking, talking, night terrors

53
Q

parasomnia

A

events that happen during sleep or waking up, run in families and more common in children

54
Q

sleepwalking

A

most dangerous, not competent or aware of surroundings. caused by sleep deprivation and stress

55
Q

night terrors

A

deep sleep in N3, severe nightmares where people don’t remember them while waking up with high heart and respiration rate

56
Q

Ken parks

A

killed mother-in-law while sleepwalking and was acquitted of murder, sliced hand held his story true

57
Q

lee and wilson experiment

A

on rats, showed rats brain during REM fired in the same place and at higher intensity when compared to them running a maze. showed sleep isn’t just house keeping and helps fix/store memories

58
Q

meth

A

norepinephrine, dopamine

59
Q

alcohol

A

GABA, glutamate

60
Q

heroin

A

endorphin

61
Q

cocaine

A

norep., epin., seratonin, dop.

62
Q

nicotine

A

aceytlcholine

63
Q

ecstasy

A

serotonin

PSYCH 111 (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions