Unit 5 - States of Consciousness Flashcards

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1
Q

Consciousness

A

Awareness of self and the environment

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2
Q

Cognitive Neuroscience

A

The interdisciplinary study of the brain liked with cognition

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3
Q

Dual processing

A

The principle that information is often simultaneously processed on separate conscious and unconscious tracks

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4
Q

Selective Attention

A

The focusing of conscious awareness on a particular stimulus

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5
Q

Inattentional Blindness

A

Failing to see visible objects when attention is directed elsewhere

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6
Q

Change Blindness

A

Failing to notice changes in the environment

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7
Q

Circadian Rhythm

A

A biological clock that regulates body rhythms such as temperature and sleep

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8
Q

REM Sleep

A

Rapid Eye Movement sleep, a sleeping stage during which vivid dreams occur

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9
Q

Alpha waves

A

Relatively slow brain waves of a relaxed, awake state

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10
Q

Sleep

A

A periodic, natural, reversible loss of consciousness

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11
Q

Stage 1 sleep

A

The stage of sleep in which hypnogogic sensations (falling), hallucinations, and fleeting images occur

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12
Q

Stage 2 sleep

A

The stage of sleep in which you are 100% asleep, and sleep spindles occur

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13
Q

Stages 3 and 4 sleep

A

The stages of sleep in which delta waves occur, and it is hard to wake up from

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14
Q

Insomnia

A

Recurring problems in falling or staying asleep

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15
Q

Narcolepsy

A

A sleep disorder characterized by uncontrollable sleep attacks

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16
Q

Sleep Apnea

A

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

17
Q

Night Terrors

A

A sleep disorder characterized by high arousal and an appearance of being terrified, occurs during stage 4 sleep

18
Q

Dream

A

A sequence of images, emotions, and thoughts passing through a sleeping person’s mind

19
Q

Manifest content

A

The remembered meaning of a dream

20
Q

Latent content

A

The underlying meaning of a dream

21
Q

Psychoactive drugs

A

A chemical substance that alters perception and moods

22
Q

Tolerance

A

An increased reduction of the effect of a drug after continued use

23
Q

Withdrawal

A

Discomfort/distress following a discontinued use of a drug

24
Q

Physical dependence

A

A physiological need to use a drug

25
Q

Addiction

A

Compulsive drug craving and use despite negative effects

26
Q

Depressant

A

Drugs that reduce neural activity and slow bodily functions

27
Q

Alcohol

A

A depressant that increases helpful/harmful tendencies, disrupts memory creation, reduces self control

28
Q

Barbiturates

A

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

29
Q

Opiates

A

Depress neural activity, temporarily lessening pain and anxiety

30
Q

Stimulants

A

Drugs that excite neural activity and speed up body functions

31
Q

Amphetamines

A

Stimulants but with neural activiy

32
Q

Methamphetamines

A

Stimulants but with the Central Nervous System

33
Q

Nicotine

A

A drug that stimulates the CNS and releases neurotransmitters that calm anxiety, reduce pain sensitivity, diminish appetite, and boost alertness

34
Q

Cocaine

A

A stimulant drug that depletes neurotransmitters such as dopamine, serotonin, norepinephrine

35
Q

Ecstasy

A

A synthetic stimulant, physically destroys serotonin producing neurons

36
Q

Hallucinogens

A

Drugs that distort perceptions and evoke sensory images in the absence of sensory input

37
Q

LSD

A

A powerful hallucinogen drug, AKA acid

38
Q

Marijuana

A

Triggers a variety of effects, including mild hallucinations