Ch 5 - Variations in Consciousness Flashcards

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1
Q

Insomnia

A

difficulty falling or staying asleep

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2
Q

Narcolepsy

A

excessive daytime sleepiness and falling asleep uncontrollably

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3
Q

Sleep Apnea

A

abnormal breathing during sleep

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4
Q

Somnambulism

A

Sleepwalking

  • Occurs in the first 2 hours of sleep
  • Risk factors - genetics and age (more common for children)
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5
Q

Kleine-Levin Syndrom (Sleeping Beauty)

A

Reoccurring episodes of extreme sleepiness

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6
Q

Sleep terrors

A

self explanatory

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7
Q

Sleep talking

A

pretty self explanatory there, buddy…haha

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8
Q

Dreams

A

mental experiences during sleep

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9
Q

Why do we dream? (2 main theories)

A
  • Helps to make sense of learning and daily experiences

- Represents taboo (socially unacceptable) wishes or desires

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10
Q

What are the 5 most common themes in dreams?

A

1) Being chased
2) Sex
3) Falling
4) School
5) Arriving late

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11
Q

T or F? Dreams can be affected by external stimuli

A

True

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12
Q

What emotions are common in nightmares/bad dreams?

A

1) Fear
2) Confusion
3) Disgust
4) Sadness
5) Guilt

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13
Q

Activates the reward system of the brain

A

Drugs

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14
Q

Most serious consequence of prolonged drug use

A

It changes the brain

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15
Q

T or F? Our bodies communication system comprised of neurons is disrupted by the chemicals in drugs.

A

True

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16
Q

What scan can show areas of the brain that are active and examine organs to see how well they are functioning via radiation?

A

PET scan

17
Q

PET stands for

A

Positron Emission Tomography

18
Q

Consciousness =

A

awareness of internal and external stimuli

- external events
- internal sensations
- the self
- thoughts about experience
19
Q

EEG / Electroencephalograph =

A

measure brain electrical activity (variations of consciousness)

20
Q

Circadian rhythm =

A

24 hour biological cycle regulates sleep and other functions

21
Q

T or F?

You are more alert and your body temperature rises when you are asleep.

A

False: You are less alert and your body temperature drops when you are asleep

22
Q

T or F?

Traveling west is generally easier than traveling east for our biological clock to readjust.

A

True

23
Q

How many stages of sleep are there?

A

4

24
Q

What are the stages of sleep?

A

Stage 1
Stage 2
Stage 3
REM

25
Q

Describe Stage 1 Sleep

A

(“falling asleep”, 10-12 minutes) Theta Waves Prominent

26
Q

Describe Stage 2 Sleep

A

(light sleep) Sleep Spindles and Mixed EEG Activity (majority of sleep happens)

27
Q

Describe Stage 3 Sleep

A

Stage 3 Sleep (slow-wave sleep) Progressively More Delta Waves (typically dreamless)

28
Q

REM

A

(Rapid Eye Movement) Dreams occur most during REM sleep

29
Q

What is a commonality between being awake and REM sleep?

A

They both have Low-voltage, High Frequency Beta Waves

30
Q

Who has lots of sleep & more REM?

A

Infants

31
Q

Who has less sleep & less slow-wave sleep?

A

Older adults

32
Q

How long to reach complete sleep deprivation?

A

3 or 4 days max

33
Q

What are consequences of Partial sleep deprivation or restriction?

A

Impaired attention, reaction time, coordination, and decision making

34
Q

What occurs during Selective sleep deprivation?

A

The Rebound effect

35
Q

What is the Rebound effect?

A

return to REM and slow-wave sleep quicker