Chapter 9- Consciousness Flashcards

0
Q

Conscious level

A

The level at which mental activities that people are normally aware of occur.

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1
Q

Consciousness

A

Awareness of external stimuli and one’a own mental activity.

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2
Q

Nonconscious level

A

A level of mental activity that is inaccessible to conscious awareness.

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3
Q

Preconscious level

A

A level of mental activity that is not currently conscious but of which we can easily become conscious.

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4
Q

Unconscious level

A

A level of mental activity that influences consciousness but is not conscious.

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5
Q

Consciousness state

A

The characteristics of consciousness at any particular moment.

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6
Q

Altered state of consciousness

A

A condition in which changes in mental processes are extensive enough that a person or others notice significant differences in psychological and behavioral functioning.

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7
Q

Non-REM (NREM) sleep

A

Sleep stages 1,2,3, and 4; they are accompanied by gradually slower and deeper breathing, a calm and regular heartbeat, reduced blood pressure, and slower brain waves. (Stages 3 and 4 are called slow-wave sleep.)

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8
Q

Rapid eye movement (REM) sleep

A

A stage of sleep in which brain activity and other functions resemble the waking state but that is accomplished by rapid eye movements and virtual muscle paralysis.

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9
Q

Circadian rhythm (human biological rhythm)

A

A cycle, such as waking and sleeping, that repeats about once a day.

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10
Q

Jet lag

A

A syndrome of fatigue, irritability, in attention, and sleeping problems caused by air travel across several time zones.

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11
Q

Insomnia

A

A sleep disorder involving difficulty falling asleep or staying asleep at night.

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12
Q

Narcolepsy

A

A daytime sleep disorder in which a person shifts abruptly from an active, often emotional, waking state into several minutes of REM sleep.

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13
Q

Sleep apnea

A

A sleep disorder in which people briefly but repeatedly stop breathing during the night.

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14
Q

Sudden infant death syndrome (SIDS)

A

A disorder in which a sleeping baby stops breathing and suffocates.

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15
Q

Nightmare

A

A frightening dream that takes place during REM sleep.

16
Q

Sleep Terror disorder (night terrors)

A

The occurrence of horrific dream images during stage 4 sleep, followed by rapid awakening in a state of intense fear.

17
Q

Sleepwalking

A

A phenomenon primarily occurring in non-REM sleep in which people walk while asleep.

18
Q

REM behavior disorder

A

A sleep disorder in which a person does not lose muscle tone during REM sleep, allowing the person to act out dreams.

19
Q

Dreaming

A

The experience of storyline sequences of images, sensations, and perceptions occurring mainly during REM sleep.

20
Q

Lucid dreaming

A

Awareness that a dream is a dream while it is happening.

21
Q

Hypnosis

A

A phenomenon brought on by special induction techniques and characterized by varying degrees of responsiveness to suggestions for changes in experience and behavior.

22
Q

Hypnotic susceptibility

A

The degree to which a person responds to hypnotic suggestions.

23
Q

State theories of hypnosis

A

Theories proposing that hypnosis is an altered state of consciousness.

24
Q

No state theories of hypnosis

A

Theories, such as role theory, proposing that hypnosis does not create an altered state of consciousness.

25
Q

Psychoactive drug

A

A substance that acts on the brain to cause some psychological effect.

26
Q

Psychopharmacology

A

The study of psychoactive drugs and their effects.

27
Q

Blood-brain barrier

A

A feature of blood vessels supplying the brain that allows only certain substances to leave the blood and interact with brain tissue.

28
Q

Agonist

A

A drug that mimics the effects of the neurotransmitter that normally binds to a neural receptor.

29
Q

Antagonist

A

A drug that binds to a receptor and prevents the normal neurotransmitter from binding.

30
Q

Drug abuse

A

The self-administration of psychoactive drugs In ways that deviate from cultural norms and cause serious problems for the user.

31
Q

Addiction

A

Development of a physical need for a psychoactive drug.

32
Q

Drug withdrawal

A

Symptoms associated with discontinuing the use of a habit-forming substance.

33
Q

Drug tolerance

A

A condition in which increasingly larger drug doses are needed to produce a given effect.

34
Q

CNS depressant drug

A

Psychoactive drugs that inhibit the functioning of the central nervous system.

35
Q

CNS stimulating drugs

A

Psychoactive drugs that have the ability to increase behavioral and mental activity.

36
Q

Opiates

A

Psychoactive drugs, such as opium, morphine, and heroin, that produce sleep-inducing and pain-relieving effects.

37
Q

Hallucinogenic drugs

A

Psychoactive drugs that later consciousness by producing a temporary loss of contact with reality and changes in emotion, perception, and thought.