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Year 12 Psych revision > sleep > Flashcards

sleep Flashcards

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1
Q

sleep

A

reoccurring asc that’s characterised by a loss of conscious awareness
occurs naturally

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2
Q

levels of awareness

A

little awareness of external environment when we are asleep

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3
Q

content limitations

A

relinquish conscious control of our thoughts while asleep

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4
Q

controlled and automatic processes

A

performing tasks is impossible

except sleep walking

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5
Q

perceptual and cognitive distortions

A

attention to stimuli is lower(pain)

thoughts are disorganised and unrealistic

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6
Q

emotional awareness

A

more or less

either bad or good dream

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7
Q

self control

A

less control over behaviours and actions

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8
Q

time orientation

A

distorted sense of time that has passed

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9
Q

circadian rhythems

A

sleep wake cycle
biological cycle with a 24 hour duration
part of brain regulating sleep is SCN

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10
Q

ultradian rhythems

A

biological rhythems that occur for less than 24 hours

90 min cycles, sleep has alternating REM and NREM cycles

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11
Q

the sleep cycle process

A

stage 1 and 2 are light sleep
stage 3 and 4 are deep sleep
REM is stage 5
4-5 cycles per night

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12
Q

REM sleep

A

rapid eye movement which the eye balls move beneath closed eye lids
1st period lasts for 10 minutes and lengthens to 1 hour
body systems are highly active even though body looks calm

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13
Q

NREM

A

80% of sleep is spent at NREM sleep stages

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14
Q

restoration theory

A

restoring
sleep allows body to recharge, to recover from physical and psychological work during the day
allows body growth process

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15
Q

restorative effects of NREM

A

important for repairing the body
plays role in growth process
sleep gland releases growth hormone

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16
Q

restorative effects of REM

A

important peak period of brain development (infants=REM)
plays role in consolidation of new memories
REM aids learning and can occur with REM sleep deprivation

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17
Q

support for restorative theory

A

REM sleep improves alertness
REM improves memory consolidation
sleep improves immunity against illness

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18
Q

criticism of restorative theory

A

if sleep is restorative, it is counter intuitive to have the mind be so active during this time

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19
Q

evolutionary theory

A

survival is the main purpose of sleep
combination of finding food, avoid predators and conserve energy
sleep increases animals chance of survival

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20
Q

evolutionary examples

A

bears conserve energy
mice sleep quietly
cows stay away to constantly eat

21
Q

criticism of evolutionary theory

A

shows that sleep is useful but does not explain why we must have sleep
loss of awareness= vulnerability

22
Q

partial sleep deprivation

A

occurs when a person does not get enough sleep they need or are deprived of one particular stage of sleep
no permanent effects

23
Q

partial sleep deprivation: psychological effects

A

affective disturbances
behavioural difficulties
cognitive difficulties

24
Q

partial sleep deprivation: psychological affects- affective disturbances

A

highly emotional

irritability

25
Q

partial sleep deprivation: psychological effects- behavioural difficulties

A

clumsiness

less concentration

26
Q

partial sleep deprivation: psychological effects- cognitive difficulties

A

thinking

poor decision making

27
Q

partial sleep deprivation: physiological effects

A

headaches

hand tremors

28
Q

microsleeps

A

short period of drowsiness or sleep that occurs while person is awake

29
Q

sleep-wake shifts: adolescents

A

timing of melatonin secretion that induces sleep onset peaks later
makes individual sleepier 1-2 hours later than normal

30
Q

sleep wake shifts: shift work

A

individuals exposed to excessive night time light

alters sleep wake schedule

31
Q

sleep wake shift: jet lag

A

caused by misalignment of circadian rhythm to destination clock time
sleepiness, insomnia, fatigue
sleep deprivation effects

32
Q

shift work disorder

A

complaint of sleepiness and insomnia in relation to work schedule falling during time of habitual sleep

33
Q

sleep disorders

A

any problem that disrupts normal NREM, REM sleep cycle and onset of sleep
sleep phenomena
dysomnia
parasomnia

34
Q

sleep disorders: sleep phenomena

A

dreams, walking, talking during sleep reoccur and disrupt sleep

35
Q

sleep disorders: parasomnias

A

abnormal movement, emotions, behaviour while asleep between stages of waking/falling asleep

36
Q

sleep disorders: dysomnias

A

problem getting to sleep or staying asleep

excessive sleepiness

37
Q

sleep disorders: dysomnias- psychological causes

A

emotional/social disturbances

38
Q

sleep disorders: dysomnias- physiological causes

A

medical problems

39
Q

sleep disorders: dysmonias- treatment

A

sleeping tablets/CBT

40
Q

sleep walking

A

walking whilst asleep and conducting activities
occurs in stage 3/4 of NREM sleep
can go up to half an hour

41
Q

CBT-I

A

cognitive behaviour therapy for insomnia

aims to improve sleep habits and behaviours by changing thoughts and behaviours that affect person to sleep

42
Q

CBT-I: improvement activites

A 
stimulus control
sleep restriction
relaxation training
CT
sleep hygiene training
43
Q

CBT-I: stimulus control

A

classical conditioning

breaking bedroom activities

44
Q

CBT-I: sleep restriction

A

strict bed schedule

45
Q

CBT-I: relaxation training

A

recognise and control muscle tension

46
Q

CBT-I: CT- cognitive therapy

A

replaces beliefs and fears regarding sleep with expectations

47
Q

CBT-I: sleep hygiene training

A

learns about lifestyle habits
alcohol, exercise, diet
environmental factors

48
Q

bright light therapy

A

light is important for human circadian rhythms(synchronising with external rhythm)
capable of suppressing nocturnal melatonin secretion in humans

Year 12 Psych revision (7 decks)

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