Chapter 7 Flashcards

(45 cards)

0
Q

Biological Rhythms

A

Periodic physiological fluctuations controlled by “biological clocks”

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1
Q

Consciousness

A

Our awareness of ourselves and our environment

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2
Q

Circadian Rhythm

A

The biological clock; regular bodily rhythms (for example, of body temp and wakefulness) that occur on a 24 hour cycle

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3
Q

REM Sleep

A

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.

Not moving

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4
Q

Alpha waves (awake)

A

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

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5
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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6
Q

Hallucinations

A

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

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7
Q

Delta Waves

A

The large, slow brain waves associated with deep sleep. Stage 4 (moving)

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8
Q

Insomnia

A

Recurring problems in falling or staying asleep

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9
Q

Narcolepsy

A

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

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10
Q

Sleep Apnea

A

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

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11
Q

Night Terrors

A

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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12
Q

Dream

A

A sequence of images, emotions and thoughts passing through a sleeping persons mind.

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13
Q

Freud’s Wish-Fulfillment: Manifest Content

A

The remembered story line of a dream (as distinct from its latent content)

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14
Q

Freud’s Wish-Fulfillment: Latent Content

A

The underlying meaning of a dream (as distinct from its manifest content)

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15
Q

Information Processing Theory

A

Dreams help us sort out the day’s events and consolidate our memories.

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16
Q

Physiological Function Theory

A

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

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17
Q

Activation-Sythesis Theory

A

REM sleep triggers neural activity that evokes random visual memories, which our sleeping brain weaves into stories.

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18
Q

Cognitive Theory

A

Dream content reflects dreamers’ cognitive development - their knowledge and understanding. Aids in brain maturation.

19
Q

REM Rebound

A

The tendency for REM sleep to increase following REM sleep deprivation

20
Q

Hypnosis

A

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

21
Q

Anton Mesmer

22
Q

Posthypnotic Suggestion

A

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.

23
Q

Social Influence Theory

A

Hypnotic subjects may simply be imaginative actors playing a social role

24
Ernest Hilgard
Divided Consciousness Theory
25
Dissociation (Divided-consciousness theory)
A split in consciousness, which allows some thought and behaviors to occur simultaneously with others
26
Psychoactive Drug
A chemical substance that alters perceptions and mood
27
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 drugs effect
28
Withdrawal
The discomfort and distress that follow discontinuing the use of an addictive drug
29
Physical Dependence
A psychological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued
30
Psychological Dependence
A psychological need to use a drug, such as to relieve negative emotions
31
Addiction
Compulsive drug cravings and use
32
Depressants
Drugs such as alcohol, opiates, and barbiturates that reduce neural activity and slow body functions
33
Barbiturates
Drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgement
34
Opiates
Opium and its derivatives such as morphine and heroin; they depress neural activity and speed up body functions
35
Stimulants
Drugs such as caffeine, nicotine, amphetamines, cocaine and that excite neural activity and speed up body functions
36
Amphetamines
Drugs that stimulate neural activity
37
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
38
Ecstasy
A synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy
39
Hallucinogens
Psychedelic "mind-manifesting" drugs such as LSD that distort perceptions and evoke sensory images in the absence of sensory input
40
LSD
A powerful hallucinogenic drug also known as acid
41
THC
The major active ingredient in marijuana; triggers a variety of effects including mild hallucinations
42
Near-Death Experience
An altered state of consciousness reported after a close brush with death (such as through cardiac arrest)
43
Dualism
The presumption that mind and body are 2 distinct entities that interact
44
Theta waves
Slow , Stage 1-2