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Psychology 100 > ch.4- Consciousness > Flashcards

ch.4- Consciousness Flashcards

(50 cards)

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1
Q

what is consciousness?

A

awareness of everything around you and inside your mind at any given moment that’s used to organize behavior

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2
Q

direct inner awareness

A

knowledge of thoughts/ images, sensations-perceptions, memories & feelings

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3
Q

selective attention & types

A

focusing on certain stimuli ( a filter); visual and auditory

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4
Q

attention and stimuli types (4)

A
  • novel (unexpected)
  • intense (bright lite/ loud noise)
  • repetitive (habituate to “songs/ads”)
  • sudden changes in (positive or negative types)
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5
Q

what are the levels of consciousness? (4)

A
  • conscious
  • preconscious
  • unconscious/ subconscious
  • nonconscious
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6
Q

conscious

A

have awareness of

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7
Q

preconscious & example

A

hidden but available; friends/family bday

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8
Q

unconscious (or subcon) & examples

A

Unavailable to awareness; painful memories, irrational wished, fear, shameful experiences, failures & immoral urges (Freud)

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9
Q

repression & example?

A

things deep down, almost unknown; abuse- defense mechanism

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10
Q

suppression

A

choosing not to think about something to focus on something else- defense mechanism

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11
Q

nonconscious & examples

A

bodily processes that can’t be directly experienced but that we know is occurring; fingernail/ hair growth, heartbeat, breathing, control of internal organs

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12
Q

what are the 4 altered states on consciousness?

A
  • sleep (dreams)
  • meditation
  • hypnotic trance
  • chemically altered states
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13
Q

stages of sleep are levels of __________-

A

unconscious

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14
Q

how long does it take to move to stage 5?

A

90 minutes

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15
Q

when does NREM & REM happen?

A

NREM- stages 1-4

REM-stage 5

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16
Q

electroencephalogram (EEG)

A

measures neural brain activity (sleep & wake cycles)

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17
Q

we have __ REM bouts a night that ____ over time. they take ____min and the body is _____

A

5; increase in duration; 90 min, chemically paralyzed

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18
Q

what is another word for dreaming?

A

paradoxical sleep

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19
Q

REM rebound

A

condition of increased REM sleep after deprivation; get to faster & have 7-8 episodes/night

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20
Q

brain metabolism theory

A

small animal=fast brain metabolism=less sleep

large animal=slower brain metabolism=more sleep

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21
Q

“danger theory”

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A

sleep based on risk of danger from predators

22
Q

circadian rhythm (def) how long does it last for adults & adolescents?

Study These Flashcards
A

cycle of sleep & wakefulness associated with light-dark cycles of earth rotation; 24-25 hours or 28 in adolescence

23
Q

zeitgebers

Study These Flashcards
A

internal mechanisms can be adjusted or entrained by zeitgebers “time givers”

24
Q

where is the circadian system located?

Study These Flashcards
A

superchiasmatic nucleus in hypothalamus

25
what is the hormone of darkness & of light?
darkness= melatonin, light= cortisol
26
chronotype definition. determined by what?
genetic propensity to sleep; PER3 gene
27
long per3 gene= _______ & short per3 gene= ____
long=early riser, need 7+hours of sleep | short= late riser, can get by on less sleep
28
consciousness changes in cycles that respond to __ & _____
bio rhythms & patterns of stimuli in environments
29
daydreaming
mildly altered state of consciousness where attention shifts to memories, desires, expectation or fantasies and away from immediate situation
30
where does daydreaming occur?
in frontal and temporal lobes
31
what 3 parts of the brain and (1) NT are active during dreaming?
-reticular formation, pons, hypothalamus (memory consolidation) & acetylcholine (NT)
32
Freud dream theory
carry our hidden desires
33
Jung dream theory
carry meaning that can be interpreted by the dreamer
34
Cayce dream theory
body's way of building mental, spiritual and physical well being
35
Evans dream theory
body's way of storing vast amounts of information gained daily (update survival program)
36
Crick & Mitchson dream theory
information being dumped, not stored (DEBUNKED)
37
Activation-Synthesis Mode
cognitive activity during day repeated and consolidated; make sense of/ process daily info (STRONGEST THEORY TODAY)
38
5 functions of sleep
survival, energy allocation, restoration, info processing, & brain development
39
survival as fxn of sleep
adaptive to survival. humans can't see well at night so must sleep
40
energy allocation as fxn of sleep
sleep & wake related to "optimization of energy conservation"
41
restoration as fxn of sleep (3)
rest & rejuvenate, recover from stress & repair body
42
info processing as fxn of sleep
consolidate memory into learning (REM dependent)
43
brain development as fxn of sleep
allows activation of neural circuitry/ activity; why babies, infants, children & teens need more sleep
44
2 main characteristics of insomnia
- inability to fall asleep easily or maintain sleep | - poor sleep quantity/ quality (sleep 9 but feel like 4)
45
3 types of insomnia & what they are
-early: can't sleep @ start -middle: wake up @ middle & can't fall asleep =late: wake up ~2hrs too early
46
narcolepsy. time?
involuntary & sudden REM sleep attack; 15 min to start REM
47
causes of narcolepsy (environment, brain & type)
- emotional excitement or fear - dysfunction of brain=stem mechanisms associated with sleep-wake regulation - genetic, neurological disorder
48
sleep apnea def, causes & symptoms
- airway obstruction during sleep - overweight, snoring, anatomic differences - poor sleep, chronic snoring, daytime sleepiness
49
sleep terror, signs & who likely
- frightening dream like experiences without memory of mental events of cause - panic state while sleep (screaming/ thrashing b/c not fully paralyzed) - mostly in young children
50
Two “types” of unconscious
Repression & suppression

Psychology 100 (13 decks)

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