Chapter 7 Flashcards

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0
Q

Biological rhythms

A

Periodic physiological fluctuations

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1
Q

Consciousness

A

Our awareness of ourselves and our environment

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2
Q

Circadian Rhythm

A

Biological clock, regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24 hour cycle

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3
Q

Non rem sleep

A

Period of sleep characterized by decreased metabolic activity, slowed breathing and heart rate, and absence of dreams

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4
Q

Rem sleep

A

Rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur. Also known as paradoxical sleep, cause muscles are relaxed but other body systems are active.

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5
Q

Alpha waves

A

Relatively slow brain waves of a relaxed, awake state

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6
Q

Sleep

A

Periodic, natural, reversible loss of consciousness-as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation.

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7
Q

Hallucinations

A

False sensory experiences, such as seeing something in the absence of an external visual stimulus

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8
Q

Delta waves

A

Large, slow brain waves associated with deep sleep

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9
Q

Insomnia

A

Recurring problems in falling or staying asleep

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10
Q

Narcolepsy

A

Sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inappropriate times

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11
Q

Sleep apnea

A

Sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings

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12
Q

Night terrors

A

Sleep disorder characterized by high arousal and an appearance of being terrified. Unlike nightmares, night terrors occur during stage 4 sleep, within 2 or 3 hours of falling asleep, and are seldom remembered

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13
Q

Dream

A

Sequence if images, emotions, and thoughts passing through a sleeping persons mind. Dreams are notable for their hallucinatory imagery, discontinuities, and incongruities, acceptance of the context and later difficulties remembering it.

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14
Q

Manifest Content

A

According to Freud, the remembered storyline of a dream (as distinct from its latent, or hidden content)

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15
Q

Freud’s Wish Fulfillment

A

Dreams allow us to express otherwise unacceptable feelings

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16
Q

Latent content

A

According to Freud, the underlying meaning of a dream (as distinct from its manifest content). Freud believed that a dreams latent content functions as a safety valve.

17
Q

Information Processing

A

Help us sort out the days events and consolidate our memories

18
Q

Physiological function

A

Regular brain stimulation from rem sleep may help develop and preserve neural pathways

19
Q

Activation synthesis

A

How rem sleep triggers neural activity our brain weaves into stories

20
Q

Cognitive development

A

Dream content reflects dreamers cognitive development-their knowledge and understanding

21
Q

Rem rebound

A

Tendency for rem sleep to increase following rem sleep deprivation (created by repeated awakenings during rem sleep)

22
Q

Hypnosis

A

Social interaction in which one person (the hypnotist) suggests to another (the subject) that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur

23
Q

Anton Mesmer

A

Credit for modern hypnotic popularity. Discovered an animal magnetism

24
Q

Post hypnotic suggestion

A

Suggestion made during a hypnosis session, to be carried out after the subject is no longer hypnotized. Used by some clinicians to help control undesired symptoms and behaviors

25
Q

Dissociation (divided consciousness theory)

A

Split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others

26
Q

Age regression

A

Supposed ability to retrieve childhood experiences

27
Q

Social influence theory

A

Theory that powerful social influences can produce a state of hypnosis

28
Q

Ernest Hilgard

A

Believed hypnosis involved a social influence and a state of dissociated consciousness

29
Q

Theodore Barber

A

Believed in social influence phenomenon. Hypnotists ideas became the subjects thoughts

30
Q

Psychoactive drug

A

Chemical substance that alters perception and mood

31
Q

Tolerance

A

Diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drugs effect

32
Q

Withdrawal

A

The discomfort and distress that follow discontinuing the use if an addictive drug

33
Q

Physical dependence

A

Physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued

34
Q

Psychological dependence

A

Psychological need to use a drug, such as to relieve negative emotions

35
Q

Addiction

A

Compulsive drug craving and use

36
Q

Depressants

A

Drugs that reduce neural activity and slow body functions

37
Q

Barbiturates

A

Drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgement

38
Q

Opiates

A

Opium and it’s derivatives, such as morphine and heroin. They depress neural activity temporarily lessening pain and anxiety

39
Q

Stimulants

A

Drugs that excite neural activity and speed up body functions

40
Q

Amphetamines

A

Drugs that stimulate neural activity, causing speeded up body functions and associated energy and mood changes

41
Q

Methamphetamines

A

Powerfully addictive drug that stimulates the central nervous system with speeded up body functions and associated energy and mood changes. Over time, appears to reduce baseline dopamine levels