Ch.6 State of Conciousness Flashcards

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1
Q

What is Melatonin and when/where is it produced?

A

A chemical involved in sleep. Brain produces this at night.

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2
Q

What is EEG, EOG, and EMG?

A

EEG - measures brain activity
EOG - measures eye movement
EMG - measure muscle tension

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3
Q

Which 2 of the 3 (EEG, EOG, or EMG) lowers/slows as you get into deeper sleep?

A

EOG and EMG

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4
Q

Explain what happens during the Awake Stage (brain waves, etc.)

A

Brain waves are Beta waves, EOG and EMG are high

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5
Q

What makes it hard to sleep during the Awake Stage?

A

Adrenaline

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6
Q

Explain what happens during the Relaxed Stage (brain waves, etc.)

A

Brain waves are Alpha waves

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7
Q

Explain what happens in Stage 1 of sleep

A

Hypnic Jerk - like reflex/twitch, muscle contraction, REM

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8
Q

Explain what happens in Stage 2 of sleep

A

Burst of different brain activity, sleep spindles

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9
Q

Explain what happens in Stage 3 of sleep

A

Beginning of Delta waves, deepest stage of sleep

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10
Q

Explain what happens in Stage 4 of sleep

A

50% of brain waves are Delta waves, deepest stage of sleep

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11
Q

What’s the difference between Stage 3 and Stage 4 of sleep?

A

At least 50% of brain waves are Delta waves in Stage 4. Stage 3, only beginning of Delta waves

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12
Q

What is REM?

A

Rapid Eye Movement

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13
Q

Explain REM

A

Eyes are moving quickly, spend and hour and a half in REM, heart beats irregularly, blood pressure increases, breathing fluctuates

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14
Q

Why is REM known as “Paradoxical Sleep”?

A

Because eye movement and brain activity looks like when you’re awake

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15
Q

When does sleep walking occur? (Stage? REM?)

A

During Stage 3 and 4 of sleep

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16
Q

Explain the REM Rebound Effect

A

When you deprive someone of dreaming/sleeping, multiple (more than one) nights in a row, they will then get to REM more quickly and spend much more time in REM

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17
Q

Name some Sleep Disorders

A

Nightmares, night terrors, insomnia, narcolepsy, sleep apnea

18
Q

Define Nightmares

A

Scary dreams

19
Q

Define Night Terrors

A

Common in kids, very frightening, kids wake up in panic, disoriented for mins, cold sweat

20
Q

Define Insomnia

A

Difficulty falling asleep, staying asleep, or early morning awakenings

21
Q

What is the cause of Insomnia and name some solutions to Insomnia

A

Caused by drop in blood sugar level
Solution: drinking warm milk, light snack. Reduce intake of alcohol, cigs, caffeine. Exercise, set a set schedule, resolve issues, associate bed with sleep, think “winding down”

22
Q

Define Narcolepsy

A

Sudden uncontrollable sleep attacks

23
Q

What is Narcolepsy caused by?

A

Genetics

24
Q

Define Sleep Apnea

A

Characterized by loud snoring, passage ways blocked

25
Q

Define Manifest Content (of a dream)

A

The dream itself

26
Q

Define Latent Content (of a dream)

A

The underlying meaning of the dream

27
Q

Explain Hypnosis (who studied it, what it is, and factors or it)

A

Sigmund Freud
Gets you into subconscious thoughts/feelings
Factors: if you believe in it, will get hypnotized. High motivation. Control.

28
Q

Define Physical Dependence (on drugs)

A

Means you are addicted to a/that substance. When not using substance, go through physical symptoms - shakes, tremors (ex. alcohol)

29
Q

Define Psychological Dependence (on drugs)

A

When not using drugs, go through psychological issues - anxiety, depression

30
Q

What is the part/chemical in the brain, when using drugs, makes you feel rewarded?

A

Dopamine

31
Q

Define Alcohol

A

A depressant, leads to impaired thinking, interferes with the cortex

32
Q

What are some indicators of Alcohol? (Questions)

A

History in fam, how often/much, what type of cup drank in, causations, concerns, when (in the day, drinkng), urgency to drink

33
Q

What are the solutions to Alcoholics?

A

Rehab and AA (Alcoholics Anonymous)

34
Q

What is the difference of Rehab and AA for Alcoholics?

A

Rehab: is if you have addiction/physical dependency on alcohol (physical withdrawals/dependency)
AA: not so addicted, but abusing alcohol and need support, therapy

35
Q

What is Naltrexone?

A

A drug that blocks the opiate receptors in your brain. It weakens alcohol rewarding affects in the brain, getting less dopamine

36
Q

What is Antabuse?

A

Idea of wanting to associate drinking with vomiting. Because when you take this med then drink, results in vomiting

37
Q

Define Tolerance

A

Develop tolerance to drug, means you need more and more of it to get its affect

38
Q

Explain/Define Nicotine

A

A stimulant in tobacco. Finds its way in the brain, into the bloodstream even if we have a natural blood/brain barrier from poisons

39
Q

Explain/Define Marijuana

A

Effects the brain quickly, within a min, stays in system for a month. Effects memory, concentration, thinking things through, lowers sperm counts for men, weakens/suppresses immune system

40
Q

What is the effect of Adolescence Drinking?

A

Effects/interferes with the development of the hippocampus - memory