Chapter 7 - Vocabulary Flashcards Preview

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Flashcards in Chapter 7 - Vocabulary Deck (43)
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Consciousness

Our awareness of ourselves and our environment.

1

Biological Rhythms

Periodic psychological fluctuations

2

Circadian Rhythm

The biological clock; regular bodily rhythms that occur on a 24-hour cycle.

3

REM Sleep

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

4

Alpha waves

The relatively slow brain waves of a relaxed and awake state.

5

Sleep

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

6

Hallucinations

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

7

Delta waves

The slow large brain waves associated with deep sleep.

8

Insomnia

Recurring problems in falling or staying asleep.

9

Narcolepsy

A sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse into REM sleep, often at inopportune times.

10

Sleep apnea

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

11

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 two to three hours of falling asleep, and are seldom remembered.

12

Dream

A sequence of images, emotions, and thoughts passing through a sleeping person’s mind. Dreams are notable for their hallucinatory imagery, discontinuities, and incongruities, and for the dreamer’s delusional acceptance of the content and later difficulties remembering it.

13

Manifest content

According to Freud, the remembered storyline of a dream.

14

Latent content

According to Freud the underlying meaning of a dream. Freud believed that a dream's latent content functions serve as a safety valve.

15

REM Rebound

The tendency for REM sleep to increase following sleep deprivation.

16

Hypnosis

A social interaction in which one person suggests to another that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur.

17

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.

18

Dissociation

A split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others.

19

Psychoactive Drug

A chemical substance that alters perception and mood.

20

Tolerance

The diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug’s effect.

21

Withdrawal

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

22

Physical Dependence

A psychological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued.

23

Psychological Dependance

A psychological need for a drug, such as to relieve negative emotions.

24

Addiction

A compulsive drug craving and use.

25

Depressants

Drugs that reduce neural activity and slow body functions.

26

Barbiturates

Drugs that depress the activity of the CNS, reducing anxiety but impairing memory and judgement.

27

Opiates

Opium and its derivatives, such as morphine and heroin; they depress neural activity, temporarily lessening pain and anxiety.

28

Stimulants

Drugs (such as caffeine, nicotine, cocaine, and ecstasy) that excite neural activity and speed up body functions.

29

Amphetamines

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