Modules 7-9 (lecture 3) Flashcards

1
Q

Consciousness

A

Our subjective awareness of ourselves and our environment

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2
Q

Hypnosis

A

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

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3
Q

Cognitive Neuroscience

A

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

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4
Q

Selective Attention

A

Focusing conscious awareness on a particular stimulus.

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5
Q

Inattentional Blindness

A

Failing to see visible objects when our attention is directed elsewhere

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6
Q

Change Blindness

A

Failing to notice changes in the environment; a form of “inattentional blindness”

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7
Q

Dual Processing

A

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

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8
Q

Blindsight

A

A condition in which a person can respond to a visual stimulus without consciously experiencing it.

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9
Q

Parallel Processing

A

Processing many aspects of a stimulus or problem simultaneously.

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10
Q

Sequential Processing

A

Processing one aspect of a stimulus or problem at a time; generally used to process new information or to solve difficult problems.

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11
Q

Sleep

A

A periodic, natural loss of consciousness– as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation.

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12
Q

Circadian Rhythm

A

Our biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle.

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13
Q

Rapid Eye Movement (REM) Sleep

A

A recurring sleep stage during which vivid dreams commonly occur. Also Known as “Paradoxical Sleep” because the muscles are relaxed (except for minor twitches) but other body systems are active.

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14
Q

Alpha Waves

A

The relatively slow brain waves of a relaxed, awake state

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15
Q

Hallucinations

A

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

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16
Q

Delta Waves

A

The large, slow brain waves associated with deep sleep

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17
Q

Suprachiasmatic nucleus (SCN)

A

A pair of cell clusters in the hypothalamus that control circadian rhythm. In response to light, it causes the pineal gland to adjust melatonin production, this modifying our feelings of sleepiness

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18
Q

Insomnia

A

Recurring problems in falling or staying asleep

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19
Q

Narcolepsy

A

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

20
Q

Sleep Apnea

A

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

21
Q

Night Terrors

A

A sleep disorder characterized by high arousal and an appearance of being terrified. unlike nightmares, these occur during N3 sleep. within 2 or 3 hours of falling asleep, and are seldom remembered.

22
Q

Dreams

A

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

23
Q

Manifest Content

A

According to Freud, the symbolic, remembered story line of a dream (as distinct from its latent, or hidden, content)

24
Q

Latent Content

A

According to Freud, the underlying meaning of a dream (as distinct from its manifest content)

25
REM Rebound
The tendency for REM sleep to increase following REM sleep deprivation
26
Psychoactive Drugs
A chemical substance that alters perceptions and mood
27
Substance Use Disorder
A disorder characterized by continued substance craving and use despite significant life disruption and/or physical risk
28
Tolerance
Needing more substance for the desired effect
29
Addiction
Compulsive or dysfunctional cravings in spite of known negative consequences
30
Withdrawl
Having a reaction to not taking a substance
31
Depressants
Drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions
32
Alcohol Use Disorder
Alcohol use marked by tolerance, withdrawal, and a drive to continue problematic use
33
Barbiturates
Drugs that depress central nervous system activity, reducing anxiety but impairing memory and judgement
34
Opiates
Morphine and heroin; depress neural activity, temporarily lessening pain and anxiety
35
Stimulants
Drugs (such as caffeine, nicotine, and the more powerful cocaine, amphetamines, meth, and Ecstacy) that excite neural activity and speed up body functions.
36
Amphetamines
Drugs (such as meth) that stimulate neural activity, causing accelerated body functions and associated energy and mood changes.
37
Nicotine
A stimulating and highly addictive psychoactive drug in tobacco
38
Cocaine
A powerful and addictive stimulant derived from the coca plant; produces temporarily increased alertness and euphoria
39
Methamphetamine
A powerfully addictive drug that stimulates the central nervous system, with accelerated body functions and associated energy and mood changes; over time, reduces baseline dopamine levels.
40
Ecstasy (MDMA)
A synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy, but with short-term harm to serotonin-producing neurons and to mood and cognition
41
Hallucinogens
Psychedelic drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input
42
Near-Death Experience
An altered state of consciousness reported after a close brush with death; often similar to drug-induced hallucinations
43
LSD
A powerful hallucinogenic drug; also known as acid
44
THC (delta-9-tetrahydrocannabinol)
The major active ingredient in marijuana triggers a variety of effects, including mild hallucinations.
45
Mechanism of action of Chantix
Binds to the receptors in the brain where nicotine normally binds.