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Psychology 100: Term test 3 > Sleep > Flashcards

Sleep Flashcards

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1
Q

Adaptive theory of sleep

A

we sleep to protect ourselves against preditors that have stronger senses and more advantages at night

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2
Q

Evolutionary disadvantages of sleep

A

Animals that need to graze can’t hide from preditors so they sleep less

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3
Q

Biological theory of sleep

A

we sleep at night to grow since GH is only released when we are asleep

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4
Q

Neurotransmitter changes

A

GABA is released to stop the wake-promoting systems in the reticular formation, pons, hypothalamus and thalamus

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5
Q

Restorative theory of sleep

A

Sleep allows the body to repair structures, replenish chemicals , and remove neurotoxic wastes

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6
Q

circadian rhythm

A

the 24-hour awake-sleep cycle that corresponds to daylight

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7
Q

Circadian rhythm effects on body temperature

A

temperature rises in the morning > peaks at midday > falls in afternoon > rises in the evening > falls at night

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8
Q

Bodily things effected by circadian rhythm

A

body temperature, blood pressure, hormones, sensitivity to pain, and fatigue

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9
Q

Jet lag recovery

A
  • lengthening the day is easier to adjust
  • shortening the day is harder to adjust
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10
Q

Jet lag

A

changing of time zones causes one to want to be asleep when they should be awake in the new time zone

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11
Q

Circadian rhythm sleep disorder

A

when a person’s sleep pattern doesn’t match with their natural sleep pattern

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12
Q

What influences what time of day you prefer to be awake

A

genetics, age, gender, and health factors

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13
Q

Suprachiasmatic nucleus (SCN)

A

group of neurons in the hypothalamus responsible of coordinating the bodily rhythms

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14
Q

Sleep-awake cycle of melatonin

A
  1. when daylight fades the SCN directs the pineal gland to secrete melatonin
  2. Melatonin accumulates in the blood
  3. Peaks around 1 to 3 am
  4. Production decreases causing awakefulness
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15
Q

What happens without daylight signals

A

SCN extends the day to 25 hours

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16
Q

How often do we sleep cycle

A

every 90 to 100 minutes

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17
Q

EEG

A

a type of machine that measures brainwave patterns

18
Q

Hypnagogic state

A

pre-sleep period that is characterized by alpha waves

19
Q

Stage 1 sleep

A

Small irregular theta waves which are the bridge between awake and sleep

20
Q

Stage 2 sleep

A

characterized by sleep spindles as our body relaxes

21
Q

Sleep spindles

A

bursts of brain activity

22
Q

Deep sleep/Stage 3

A

Delta waves appear

23
Q

Stage 4

A

Only delta waves. Blood pressure, heart rate, and breathing rate slow

24
Q

Sleep walking

A

moving around while in stage 4 sleep

25
Q

Non-REM sleep

A

stages 1-4 of sleep

26
Q

REM

A

Stage of sleep associated with rapid brain patterns similar to an awake brain and when we dream

27
Q

REM sleep function theory

A

REM sleep helps form new memories and retain learned material

28
Q

Information processing theory

A

dreams are the mind’s way to organize and remember the day

29
Q

Activation synthesis model

A

Dreams occur because neurons in the brainstem are activated and cause the cortex to produce random signals that need to be organixzed

30
Q

Freudian Dream Theory

A

Dreams are unconscious wishes or desires

31
Q

Dream interpretation

A

using freudian ideas to interpret the manifest content of a dream to find the latient content

32
Q

lucid drams

A

dreams when people know that they are dreaming and can control it

32
Q

lucid drams

A

dreams when people know that they are dreaming and can control it

33
Q

REM sleep development

A

as we get older we spend less time in REM sleep, only about 2 hours

34
Q

Insomnia

A

the inability to fall asleep or stay asleep due to stressors

35
Q

Sleep apnea

A

momentarily stoping breathing while you sleep

36
Q

Narcolepsy

A

the uncontrollable urge to fall asleep

37
Q

Advanced sleep phase syndrome

A

people tend to fall asleep and wake up too early

38
Q

Restless legs syndrome and periodic limb movements of sleep

A

strong urge to move legs prior to falling asleep or while asleep

39
Q

Sleepwalking

A

A condition where a person moves around their house while still asleep

40
Q

Night terrors

A

typically seen in young children, the child will wake up due to their nervous incorrectly assuming they are in danger due to their dream

41
Q

REM sleep behaviour disorder

A

when a person acts out their dream through movement due to paralysis when sleeping not occuring

Psychology 100: Term test 3 (11 decks)

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