Chapter 3: Consciousness And The Two Track Mind Flashcards

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1
Q

consciousness

A

our awareness of ourselves and our 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 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

selective inattention

A

the inability to sense stimulus outside of a particular stimulus

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6
Q

inattentional blindness

A

failing to see visible objects when our attention is directed elsewhere

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7
Q

change blindness

A

failing to notice changes in the environment

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8
Q

circadiam rhythm

A

the biological clock; regular bodily rhythms that occur on a 24-hour cycle

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9
Q

REM sleep

A

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

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10
Q

paradoxical sleep

A

another name for REM sleep because muscles are relaxed and do not move but other body systems are active

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11
Q

alpha waves

A

the relatively slow brain waves of a relaxed, awake state

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12
Q

delta waves

A

the large, slow brain waves associated with deep sleep

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13
Q

hallucinations

A

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

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14
Q

sleep loss (effects)

A

memory, concentration, mood, hunger and obesity, immune system, risk of fatal accidents, etc.

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15
Q

sleep theories

A

1) sleep protects
2) sleep helps us recuperate
3) sleep is for making memories
4) sleep feeds creative thinking
5) sleep may play a role in the growth process

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16
Q

insomnia

A

recurring problems in falling or staying asleep

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17
Q

narcolepsy

A

a sleep disorder characterized by uncontrollable sleep attacks. may lapse directly into REM sleep.

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18
Q

sleep apnea

A

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

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19
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 two or three hours of falling asleep , and are seldom remembered.

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20
Q

REM dreams

A

vivid, emotional, bizarre, and realistic ‘hallucinations’ of the mind

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21
Q

Manifest content

A

according to Freud, the remembered story line of a dream

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22
Q

dreams

A

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

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23
Q

latent content

A

according to Freud, the underlying meaning of a dream

24
Q

Freud’s wish-fulfillment

A

dreams provide a psychic safety valve expressing otherwise unacceptable feelings

25
Q

information-processing

A

dreams help us sort out the day’s events and consolidate our memories

26
Q

physiological function

A

regular brain stimulation from REM sleep may hep develop and preserve neural pathways

27
Q

Activation-Synthesis

A

REM sleep triggers neural activities that evokes random visual memories, which our sleeping brain weaves into stories.

28
Q

cognitive development

A

dream content reflects dreamers’ cognitive development-their knowledge and understanding.

29
Q

REM rebound

A

the tendency for REM sleep to increase following REM sleep deprivation

30
Q

hypnosis

A

a social interaction in which one person suggests to another that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur.

31
Q

post hypnotic suggestion

A

a suggestion, made during a hypnosis session, to be carried out after the subject is no longer hypnotized; used by some clinicians to help control undesired symptoms and behaviors

32
Q

post hypnotic amnesia

A

a suggestion, made during a hypnosis session to forget the session contents

33
Q

dissociation

A

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

34
Q

divided consciousness theory

A

hypnosis has caused a split in awareness

35
Q

social influence theory

A

the subject is so caught up in the hypnotized role that she acts accordingly

36
Q

psychoactive drugs

A

a chemical substance that alters perceptions and moods

37
Q

tolerance

A

the diminishing effects with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug’s effect.

38
Q

withdrawal

A

the discomfort and distress that follow discontinuing the use of an addictive drug

39
Q

psychological dependence

A

a psychological need to use a drug, such as to relieve negative emotions

40
Q

physical dependence

A

a physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued

41
Q

addiction

A

compulsive drug craving and use, despite adverse consequences

42
Q

psychoactive drugs

A

drugs that do work at the brain’s synapses: depressants, stimulants, and hallucinogens

43
Q

depressants

A

drugs such as alcohol, barbiturates, and opiates that reduce neural activity and slow body functions.

44
Q

alcohol

A

depressant- high followed by relaxation and disinhibition. - depression, memory loss, organ damage, impaired reactions

45
Q

barbiturates

A

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

46
Q

opiates

A

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

47
Q

stimulants

A

drugs such as caffeine, nicotine, and the more powerful amphetamines, cocaine and ecstasy that excite neural activity and speed up body functions.

48
Q

amphetamines

A

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

49
Q

methamphetamine

A

stimulant- euphoria, alertness, energy. -irritability, insomnia, hypertension, seizures.

50
Q

caffeine

A

stimulant- increased alertness and wakefulness. - anxiety, restlessness, insomnia, uncomfortable withdrawal.

51
Q

nicotine

A

stimulant- arousal and relaxation, sense of well being. - heart disease and cancer

52
Q

cocaine

A

stimulant- rush of euphoria, confidence, energy. -cardiovascular stress, suspiciousness, depressive crash.

53
Q

ecstasy (MDMA)

A

stimulant, mild hallucinogen- emotional elevation, disinhibition. - dehydration, overheating, depressed mood, impaired cognitive and immune functioning.

54
Q

hallucinogens

A

psychedelic drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input.

55
Q

LSD

A

a powerful hallucinogenic drug; also known as acid.

56
Q

marijuana

A

mild hallucinogen- enhanced sensation, relief of pain, distortion of pain, relaxation. -impaired learning and memory, increased risk of psychological disorders, lung damage from smoke.

57
Q

near death experience

A

an altered state of consciousness reported after a close brush with death; often similar to drug induced hallucinations.