Ch 9: Consciousness Flashcards

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1
Q

Consciousness

A

Awareness of external stimuli and ones own mental state

Ex. Ducks sleep with one eye open to be alert

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2
Q

Non- REM Sleep

A

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

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3
Q

Rapid eye movement sleep

A

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

Aka paradoxical sleep (EEG resembles awake state)

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4
Q

Jet lag

A

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

Travelers body is ready to sleep at wrong time in new location

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5
Q

Sudden infant death syndrome (SIDs)

A

A disorder in which a sleeping baby stops breathing and suffocates

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6
Q

Nightmare

A

A frightening dream that takes place during REM sleep

More common in people with PTSD

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7
Q

Sleep terror disorder

A

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

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8
Q

Sleepwalking

A

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

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9
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 our dreams

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10
Q

Lucid dreaming

A

Awareness that a dream is a dream while it is happening

People can intentionally direct dreams

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11
Q

Hypnotic susceptibility

A

The degree to which a person responds to hypnotic suggestions

In general, 10% of adults are difficult or impossible to hypnotize

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12
Q

Psychopharmacology

A

The study of psychoactive drugs and their effects.

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13
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 the brain tissue

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14
Q

Drug abuse

A

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

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15
Q

Addiction

A

Development of a physical need for a psychoactive drug

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16
Q

Drug withdrawal

A

Symptoms associated with discontinuing the use of a habit forming substance

17
Q

Drug tolerance

A

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