Chapter 5: States of consciousness Flashcards

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1
Q

What is consciousness

A

Consciousness means being aware

American Psychologist William James & Stream of Consciousness (1893) - An uninterrupted flow/stream of changing sensations, images, thoughts, and feelings

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2
Q

Levels of Awareness

A
  1. High-level consciousness
  2. Lower level consciousness
  3. Altered states of consciousness
  4. subconscious awareness
  5. No awareness
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3
Q

High-level consciousness

A

involved controlled processing, in which individuals actively focus their efforts on attaining a goal EX: doing a math or science problem

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4
Q

Lower level consciousness

A

Including automatic processing that requires a little attention as well as daydreaming EX: typing on a keyboard,writing number in cellphone

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5
Q

Altered states of consciousness

A

can be produced by drugs, trauma, fatigue possibly hypnosis, and sensory deprivation EX: feeling the effects of having taken alcohol or psychedelic drugs and going under hypnosis to quit smoking or to lose weight

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6
Q

subconscious awareness

A

This can occur when people are awake as well as when they are sleeping and dreaming EX: sleeping and dayreaming

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7
Q

No awareness

A

freud’s belief that some unconscious thoughts are too laden with anxiety and other negative emotions for consciousness to admit them EX: Having unconscious thoughts

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8
Q

Why do we sleep and why sleep is necessary?

A

Sleep is an innate biological rhythm that cannot be entirely ignored

Sleep helps keep the body and brain healthy by regulating temperature and immune system, conserving energy, and aiding the development and repair

Improves memory, boosts creativity, etc.

Sleep is a necessity & each has their own circadian rhythm (physiological sleep-wake
cycle)

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9
Q

circadian rhythm

A

physical, mental, and behavioral changes that follow a 24-hour cycle

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10
Q

Patterns of Brain during Sleep

A

Brain doesn’t shut down during sleep, rather the pattern of activity changes.

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11
Q

Does the brain rest or shut down during sleep?

A

The brain doesn’t shut down during sleep, rather the pattern of activity changes Changes in tiny

electrical signals (brainwaves) can be measured during sleep by (EEG)

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12
Q

brainwaves: Types

A

Beta waves
Alpha waves

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13
Q

Beta waves

A

Beta waves: small, fast waves associated with alertness and wakefulness

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14
Q

Alpha waves

A

Alpha waves: larger, slower waves associated with relaxation and falling
asleep

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15
Q

Sleeping Stages

A

There are four sleeping stages

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16
Q

stage 1 of sleep

A

Light sleep
Small irregular waves
Hypnagogic jerk

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17
Q

Stage 2 of sleep

A

Deeper sleep
Sleep spindles on EEG
Brief bursts of high frequency waves

18
Q

Stage 3 of sleep

A

Even deeper sleep
Delta waves emerge
Very large & slow

19
Q

Stage 4 of sleep

A

The deepest level of normal sleep

Almost purely delta waves

20
Q

Rapid Eye Movement (REM) Stage

A

eyeballs go nuts, associated with dreaming, marked by a return of fast, irregular EEG patterns similar to stage 1 of sleep.

21
Q

Sleep Paralysis

A

experience of waking up while muscles remain frozen

22
Q

What are some of the things that disturb sleep?

A
  1. Insomnia: difficulty falling asleep
  2. Hypersomnia: excessive daytime sleepiness or prolonged nighttime
  3. Nightmares:
  4. Sleepwalking sleeptalking & sleep sex
  5. Sleep apnea difficulty breathing during sleeping
  6. Narcolepsy irresistible sleep attacks e.g. falling asleep while standing,
23
Q

Dreams theory: Sigmund Freud’s: psychodynamic theory

A

Talked about ‘wish fulfillment’ – dreams disguising an expression of unconscious desires or conflicts.
EX: Stealing the wedding ring of best friend (jealousy) = wanting to sleep with her husband/his wife

24
Q

Activation synthesis hypothesis

A

Hobson & McCarle
is a neurobiological way to explain the origin of dreams.
Feeling of running in a dream but the legs remain motionless (activation),
so the brain creates a ‘dramatic chase scene’ (synthesis).

25
Q

Dreams

A

Dreams are usually meaningless

26
Q

neurocognitive dream theory: William Domhoff

A

That dreams have much in common with our waking thoughts and emotions

Most dreams in fact do reflect what we think and how we feel during the day

E.g. dreams of arguing with a teacher in class if the student was upset with
him/her

27
Q

Hypnosis

A

altered state of consciousness characterized by intensely narrowed attention and increased openness to suggestion.

Brain activity recorded during hypnosis is different from sleep (hypnosis ≠ sleep).

28
Q

Realities of Hypnosis

A
  1. People must cooperate in order to be hypnotized – cannot be done against
    one’s will
  2. Hypnosis cannot produce acts of superhuman strength, or aggression (unless maybe you are already aggressive)
  3. Through research, hypnosis found to possibly improve memory, relieve pain,
    experience sensory changes, help someone relax, etc.
29
Q

Drug Altered Consciousness

A

One of the most common ways of altering consciousness is to administer psychoactive drugs

30
Q

Psychoactive drugs

A

a substance capable of altering attention, judgment, memory, time sense, self-control, emotion, or perception
EX: Coffee, nicotine, and alcohol are mildly psychoactive

Psychoactive drugs stimulants or depressants based on how they act upon the CNS

31
Q

Substance Use

A

may not be a problem or lead to
abuse or dependency

32
Q

Substance Abuse

A

Overusing or using in a manner other than its intended use are signs of abuse.

33
Q

Addiction

A

continued use of substances no matter what negative effects there may be, which is also characterized by physical or physiological dependence

34
Q

Withdrawal Symptoms

A

physical illness or discomfort following withdrawal from a drug

35
Q

Tolerance

A

a reduction of the body’s response
to a drugs

36
Q

what is circadian rhythm

A

Circadian rhythm is the 24-hour internal clock in our brain that regulates cycles of alertness and sleepiness by responding to light changes in our environment.

37
Q

ultradian sleep cycle

A
38
Q

REM: Rapid eye movement

A

muscles become inactive and that is why you feel stuck or trapped you can’t move if you wake up in this stage

EM sleep is when you tend to have vivid dreams you can dream in other stages but It wont be as vivid

39
Q

REM: Rapid eye movement

A

muscles become inactive and that is why you feel stuck or trapped you can’t move if you wake up in this stage

EM sleep is when you tend to have vivid dreams you can dream in other stages but It won’t be as vivid

40
Q

non REM

A

its the the 4 stages of sleep are called non-rem

41
Q

What is Sleep Hygiene?

A

Sleep hygiene’ is the term used to describe good sleep habits

42
Q

Sleep Hygiene Tips

A

Get regular.
Sleep when sleepy.
Get up & try again.
exercise
eat right