Unit 4-variations Of Consciousness Flashcards Preview

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Flashcards in Unit 4-variations Of Consciousness Deck (60):
0

Who discovered REM

Nathaniel Kleitman and Eugene Aserinsky

1

Consciousness

The awareness of internal and external stimuli

2

Consciousness includes

Your awareness of external events
Your awareness of your internal sensations
Your awareness of your self as the unique being
Your awareness of your thoughts

3

Consciousness fluctuates continuously

Stream of consciousness

4

Most common used indicator of consciousness

EEG

5

When do delta waves become more prevalent

Deep dreamless sleep

6

When are alpha waves increased

When relaxed and rested

7

When are beta wave increased

Engaged in problem solving

8

What are variations in consciousness shaped by

Rhythm

9

Biological rhythms

Periodic fluctuations in physiological functioning

10

Circadian rhythms

24 hour biological cycles found in humans and many other species

11

What hormone plays a key role in biological clocks

Melatonin

12

Where is the central pacemaker located

Suprachiasmatic nucleus

13

Which directions is it easier to fly in terms of jet lag

West

14

Electrooculograph

Eye movements

15

Electromyograph

Muscular activity

16

How many stages of sleep are there

5

17

How long is the average time to fall asleep

25 minutes

18

Hypnic jerks

Muscular contractions that occur when people begin to fall asleep

19

What happens during stage 2 of sleep

Sleep spindles

20

Sleep spindles

Brief bursts of higher-frequency brain waves

21

Slow wave sleep

Stage three and four
High amplitude, low frequency delta waves become prominent

22

Fifth stage

REM

23

REM sleep is identified by

Irregular breathing and pulse rate
Muscle tone is relaxed

24

When is dreaming most vivid and frequent

REM

25

Non REM

Stages 1 through 4

26

How many times do people repeat cycles

Four times

27

How much time of sleep is spent in slow wave

15-20 %

28

How much time is spent in REM sleep

20-25%

29

How long do newborns usually sleep

16 hours

30

How much of newborns sleep consists of REM

50%

31

With age, what happens with the stages of sleep?

Stage 1 increases
Slow wave declines

32

Ascending reticular activity system

Afferent nerve fibers running through the reticular formation that influence physiological arousal

33

What hormones play roles in sleep

Serotonin and GABA

34

Partial sleep deprivation

Less sleep than normal over a period of time

35

Insomnia

Chronic problems in getting adequate sleep

36

Sleep apnea

Frequent reflexive gasping for air that awakens a person and disrupts sleep

37

Nightmares

Anxiety-arousing dreams that lead to awakening, usually from REM sleep

38

Night terrors

Abrupt awakenings from NREM sleep accompanied by intense autonomic arousal and feelings of panic

39

Narcolepsy

Disease marked by sudden and irresistible insets of sleep during normal waking periods

40

Somnambulism

Sleepwalking

41

Hypnosis

Systematic procedure that typically produces a heightened state of suggestibility

42

Hypnotism

Greek word for sleep

43

Analgesia

Withstanding pain

44

Forms of hypnotic phenomena

Analgesia
Sensory distortion
Disinhibition effort
Post hypnotic suggestions

45

Theories of hypnosis

Role playing
Altered state of consciousness
Divided consciousness

46

Dissociation

Splitting off of mental processes into two separate, simultaneous streams of awareness

47

Meditations

Train attention to heighten awareness and bring mental processes under greater voluntary control

48

Psychoactive drug

Chemical substance that modify mental, emotional, and behavioral functioning

49

3 main categories of drugs

Stimulants
Depressants
Hallucinogens

50

Mesolithic dopamine pathway

Reward pathway that gets eventually increased activity from drug abuse

51

Narcotics

Heroin morphine OxyContin

52

Sedatives

Tranquilizers barbiturates decrease CNS

53

Stimulants

Increase CNS
Cocaine nicotine caffiene

54

Hallucinogens

Lsd cannibis

55

Freudian theory of dreaming

Wish fulfillment
(Unconscious urge)

56

Manifest content

Plot of dream

57

Latent content

Hidden meaning

58

Activation synthesis model

Dreams are side effects of the neural activity occuring during REM sleep

59

Cognitive problem solving

Work through every day problems