Chapter 5: Consciousness Flashcards

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1
Q

What happens to your body temperature when you’re asleep?

A

It’s usually at its lowest peak

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2
Q

When is your temperature at its highest peak of the day?

A

Usually afternoon

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3
Q

What is the circadian rhythm?

A

The 24-hour biological cycles found in humans and many other species

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4
Q

What are biological rhythms?

A

Periodic fluctuations in physiological functioning

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5
Q

What is freuds theory of dreaming?

A

Dreams are a roadway into our unconscious

Manifest content

Latent content

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6
Q

What is latent content of a dream?

A

Underlying meaning

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7
Q

What is the manifest content of a dream?

A

Story line

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8
Q

What is the activation synthesis theory of dreaming?

A

Our cerebral cortex is trying to interpret random electrical activity we have while sleeping

Why some dreams make no sense

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9
Q

What is the information processing theory of dreams?

A

Dreams are a way of dealing with the stresses of every day life

We dream more when we are stressed

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10
Q

What is William James connected to while thinking about consciousness?

A

The stream of consciousness

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11
Q

What is the stream of consciousness?

A

There is in endless flow of ideas that zigzag in all directions going through your mind

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12
Q

What happens in stage one of the sleep cycle?

A

You’re kind of awake and kind of asleep

Experience it once a night

Brain produces theta waves

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13
Q

What happens in stage two of the sleep cycle

A

More theta waves that get progressively slower

Begins to show sleep spindles

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14
Q

What is a sleep spindle?

A

Random bursts of brain activity in only stage two of the sleep cycle

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15
Q

What happens in stage three and four of the sleep cycle?

A

Slow wave sleep occurs

You produce delta waves (more in stage 4)

Involves body growth and hormones

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16
Q

What is slow wave sleep?

A

It consists of stages three and four, during which high amplitude, low-frequency delta waves become prominent in EEG recordings

17
Q

What is REM?

A

Rapid eye movement

Brain is very active in dreams usually occur here

Body is essentially paralyzed

18
Q

What is REM rebound?

A

If you miss your REM sleep your body forces you to get REM

19
Q

What hormones are associated with adjusting our biological clocks?

A

Melatonin

20
Q

What does the Pines control related to the sleep cycle?

A

REM sleep

21
Q

What structure of the brain is most related to sleep and wakefulness?

A

The hypothalamus

22
Q

Where do beta waves occur?

A

Normal waking thought, alert problem solving

23
Q

Where do Alpha waves occur?

A

Deep relaxation, blank mind, and meditation

24
Q

When does theta waves occur?

A

Light sleep

25
Q

Where do theta waves occur?

A

Deep sleep

Stages 3+4

26
Q

What is wishfulfilment?

A

When people have dreams about what they want to happen (Freud)

27
Q

What is insomnia?

A

Persistent problem falling asleep

28
Q

What is narcolepsy?

A

Suffer from sleeplessness and may fall sleep at unpredictable or inappropriate times

29
Q

What is sleep apnea?

A

Person stops breathing during their sleep and wakes up momentarily to gasp for air then falls back asleep

30
Q

What are nightterrors?

A

Sleep disorder characterized by high arousal and an appearance of being terrified

Occurs in stage four – you do not remember it

31
Q

What are night mares?

A

Anxiety – arising dreams that lead to a weakening usually from REM Sleep

32
Q

What is somnambulism (sleep walking)?

A

Occurs when a person arises and wonders about while remaining asleep

Usually happens within the first three hours of sleep

33
Q

What does EEG measure?

A

The electrical activity of the brain overtime

34
Q

Definition of consciousness

A

The awareness of internal and external stimuli

Personal awareness