ch.3- Consciousness and the two-track mind Flashcards

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1
Q

consciousness

A

awareness of ourselves and the environment

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2
Q

cognitive neuroscience

A

the interdisciplinary study of the brain activity linked with cognition (including perception, thinking, memory, and language)

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3
Q

dual processing

A

the principle that info is often simultaneously processed on separate conscious and unconscious tracks

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4
Q

selective attention

A

focusing of conscious awareness on a particular stimulus

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5
Q

change blindness

A

failing to notice changes in the environment

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6
Q

inattention blindness

A

failing to see visible objects when our attention is directed elsewhere

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7
Q

alpha waves

A

the relatively slow brain waves of a relaxed, awake state

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8
Q

hallucinations

A

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

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9
Q

delta waves

A

the large, slow brain waves associated with deep sleep

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10
Q

insomnia

A

recurring problems falling or staying sleep

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11
Q

narcolepsy

A

a sleep disorder characterized by uncontrollable sleep attacks; may go directly into REM sleep sleep, often at inopportune times

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12
Q

sleep apnea

A

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

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13
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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14
Q

reM rebound

A

the tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep)

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15
Q

depressants

A

drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow bodily functions

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16
Q

barbiturates

A

drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgement

17
Q

opiates

A

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

18
Q

stimulants

A

drugs (caffeine, nicotine, ecstasy, cocaine, amphetamines) that excite neural activity and speed up body functions

19
Q

amphetamines

A

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

20
Q

methamphetamine

A

a powerfully addictive drug that stimulates the central nervous system, with speeded-up body functions and associated energy and mood changes; over time, it appears to reduce baseline dopamine levels

21
Q

lsd

A

powerful hallucinogenic drug

22
Q

hallucinogens

A

psychedelic drugs like lad that distort perceptions and evoke sensory images in the absence of sensory input

23
Q

ecstasy (MDMA)

A

a synthetic stimulant and mind hallucinogen, produces euphoria and social intimacy, but with short-term health risks and longer-term harm to serotonin-producing neurons and to mood and cognition

24
Q

dissociation

A

a split in consciousness which allows some thoughts and behaviors to occur simultaneously with others

25
Q

dissociation

A

a split in consciousness which allows some thoughts and behaviors to occur simultaneously with others

26
Q

THC

A

the major active ingredient in marijuana; triggers a variety of effects, including mild hallucinations

27
Q

alcohol, heroin

A

list the depressants

28
Q

caffeine, methamphetamine, cocaine, nicotine, ecstasy

A

list the stimulants

29
Q

ecstasy, marijuana

A

list the mild hallucinogen