Ch. 3 Consciousness Flashcards

1
Q

consciousness

A

subjective awareness of ourselves and our environment

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2
Q

cognitive neuroscience

A

interdisciplinary study of the brain activity linked with cognition

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3
Q

selective attention

A

focusing conscious awareness on a particular stimulus

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4
Q

blindsight

A

person can respond to a visual stimulus without consciously experiencing it

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5
Q

parallel processing

A

processing many aspects of a stimulus simultaneously

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6
Q

sequential processing

A

processing one aspect of a stimulus or problem at a time

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7
Q

sleep

A

periodic, natural loss of consciousness

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8
Q

circadian rhythm

A

biological clock, regular bodily rhythms

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9
Q

REM sleep

A

rapid eye movement, recurring sleep stage during which vivid dreams commonly occur

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10
Q

alpha waves

A

relatively slow brain waves of a relaxed, awake state

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11
Q

hallucinations

A

false sensory experiences

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12
Q

delta waves

A

large, slow brain waves

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13
Q

suprachiasmatic nucleus (SCN)

A

pair of cell clusters in the hypothalamus that controls circadian rhythm

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14
Q

insomnia

A

recurring problems in falling asleep or staying awake

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15
Q

narcolepsy

A

uncontrollable sleep attacks

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16
Q

sleep apnea

A

temporary cessations of breathing during sleep and repeated momentary awakenings

17
Q

dream

A

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

18
Q

manifest content

A

Freud, symbolic, remembered story line of a dream

19
Q

latent content

A

Freud, underlying meaning of a dream

20
Q

REM rebound

A

tendency for REM sleep to increase following REM sleep deprivation

21
Q

psychoactive drug

A

chemical substance that alters perceptions and moods

22
Q

substance use disorder

A

disorder characterized by continued substance craving and use

23
Q

tolerance

A

diminishing effect with regular use of the same dose of a drug

24
Q

addiction

A

compulsive substance abuse

25
withdrawal
discomfort and distress that follow discontinuing an addictive drug or behavior
26
depressants
drugs that reduce neural activity and slow body functions
27
barbituates
drugs that depress central nervous system activity
28
opiates
opium and its derivatives, depress neural activity
29
stimulants
drugs that excite neural activity and speed body functions
30
amphetamines
drugs that stimulate neural activity
31
nicotine
stimulating and highly addictive psychoactive drug in tobacco
32
cocaine
powerful and addictive stimulants
33
meth
stimulates CNS with accelerated body functions and associated energy and mood changes
34
ecstacy
synthetic stimulant and mild hallucinogen
35
hallucinogen
psychedelic drugs, distort perceptions and evoke sensory images in the absence of sensory input