Unit 5 - States of Consciousness Flashcards

(38 cards)

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
Addiction
Compulsive drug craving and use despite negative effects
26
Depressant
Drugs that reduce neural activity and slow bodily functions
27
Alcohol
A depressant that increases helpful/harmful tendencies, disrupts memory creation, reduces self control
28
Barbiturates
Drugs that depress the activity of the CNS, reducing anxiety but improving memory and judgement
29
Opiates
Depress neural activity, temporarily lessening pain and anxiety
30
Stimulants
Drugs that excite neural activity and speed up body functions
31
Amphetamines
Stimulants but with neural activiy
32
Methamphetamines
Stimulants but with the Central Nervous System
33
Nicotine
A drug that stimulates the CNS and releases neurotransmitters that calm anxiety, reduce pain sensitivity, diminish appetite, and boost alertness
34
Cocaine
A stimulant drug that depletes neurotransmitters such as dopamine, serotonin, norepinephrine
35
Ecstasy
A synthetic stimulant, physically destroys serotonin producing neurons
36
Hallucinogens
Drugs that distort perceptions and evoke sensory images in the absence of sensory input
37
LSD
A powerful hallucinogen drug, AKA acid
38
Marijuana
Triggers a variety of effects, including mild hallucinations