20 Consciousness (chapter 6) Flashcards

Consciousness & Dreaming - theories & purposes

1
Q

Consciousness def

A

David Chalmers - discovery moment to moment awareness of selves and environment

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2
Q

Selective attention

A

Shifts in focus to stimuli/ exclusion to others

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3
Q

Means of measuring states of consciousness:

A

Self report measures: ask people of self insight into their consciousness - not verifiable (lying/ not fully aware), + simple, - language needed to communicate data

Behavioural measures: monitoring behaviour + verifiable, + useful on animals, young children, and others

Psychological measures: correspondence between body status and mental state eg recognition in a mirror/ corresponding brain imaging activity with sleep states

Combination of above methods to triangulate weakness of methods

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4
Q

levels of consciousness: Freudian viewpoint: psychoanalytic theory:

A

3 levels
Conscious mind: current aware thoughts

Preconscious mental events: events not currently aware of but easily recallable

Unconscious events: not easily brought to awareness/ subconscious biases - antisocial concepts

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5
Q

levels of consciousness: cognitive viewpoint

A

3 levels
Controlled processing:
conscious control - slow, more flexible

Automatice processing:
autopilot actions - fast, routine actions

Divided attention:
attend to + perform multiple activities at once

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6
Q

Blindsight

A

neural partial blindness, but can still respond to stimuli eg position of stimuli

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7
Q

Priming

A

subliminal stimuli presented, then influences later conscious perceptions
= our conscious thought can be influenced by subconscious stimuli
Consciousness use is to be selective of environment

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8
Q

purpose of a conscious mind

A
  • learning for planning + decision making
  • override dangerous impulses
  • rationalise for new situations
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9
Q

Sleep waves types

A

Beta waves: wide awake alert - high freq, low amp.

Alpha waves: relaxed lower freq, higher amp
If alpha waves continue, sleep occurs

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10
Q

Sleep phases

A

stage 1: light sleep, irregular brain wave pattern, dream like images while feeling of awakeness

Stage 2: deeper sleep sleep spindles: periods of high brain wave activity

Stage 3: slow large rhythmic waves (slow waves)

Stage 4: deep sleep hard to wake - mostly delta waves (slow waves)

REM sleep (‘Paradoxical sleep’): dream state, High arousal as if awake - similar to beta wave activity, eyes move fast

  • REM sleep paralysis: during rem, you are paralysed so don’t sleepwalk/ act out on dreams
  • Paradoxical sleep: active/aroused, little movement
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11
Q

Progression through sleep phases

A

1, 2 , 3, 4, 3, 2, REM

REMs gets longer, 3,4 get shorter - more awake

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12
Q

when does dreaming happen

A

mostly during REM but also can during all other stages (25% in others)

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13
Q

Hypnagogic state

A

transition mindstate from awake to asleep - more delusional, lower consciousness. Still can see/ hear but slipping into stages 1,2

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14
Q

Purpose of dreaming: Freud’s Psychoanalytic theory

A

Purpose of dreams: Wish fulfilment: indulgent in our unconscious urges - often aggressive/ sexual/shunned = nightmares/bizarre

2 types of dream content:

1) Manifest Content: surface story that dream reports/ remember (ego)
2) Latent Content: hidden meanings of those events - fuelled by innate desires (id)

The translation of Latent content into Manifest content is called: Dream Work

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15
Q

What is Freud’s dream work concept?

A

The translation of Latent content into Manifest content by the ego to make acceptable sense of obscene subconscious thoughts.

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16
Q

Freud’s 2 types of dream content

A

1) Manifest Content: surface story that dream reports/ remember (ego)
2) Latent Content: hidden meanings of those events - fuelled by innate desires (id)

17
Q

Purpose of dreaming: Activation synthesis theory

A

Purpose: dreams serve no purpose/ have no significance, are a byproduct of the brain sorting information during sleep

  • Cerebral cortex (area that makes sense of environment) tries to make sense of random neural activation during REM sleep = creates storyline.
  • therefore bizarre - random activation, narrative - CC makes storyline

Flaws: only explains REM sleep dreams, what about dreams that occur during other stages, dreams often hold some relationships to the days events/ what the person is often thinking about = not random activity

18
Q

my personal theory on dreams

A

that you need some sort of prose to be kept asleep especially in lighter sleep stages

19
Q

Purpose of dreaming: Cognitive models

A

Problem-solving dream models:
The subconscious free from constrains of reality can help find creative/ new solutions to our problems.
- But this does not explain all dreams - rare

Cognitive-process dream theories:
Dreams are just observable forms of our waking thinking processes e.g, jumps form one topic to another/ scene changes, that are more obvious as we do not have sensory deprivation/ time to think during the day.

20
Q

Daydreams

A

are a significant part of waking consciousness, provide stimulation during boredom, particularly common among people with fantasy prone personalities.
- are visually focused but less vivid + emotional, bizarre than nightie dreams - may be bc nighttime dreams are unaware of it not being real

21
Q

Fantasy prone personalities

A

have vivid visual based imaginations, often daydream, often confuse reality with dreams, majority are female, more prone to hypnosis, religious/ spiritual experiences (martyrs) can easier convince their bodies of a different reality to their current surroundings.

22
Q

Hypnosis

A
  • its own state of consciousness (controversial): focused attentions + reduces peripheral awareness, more susceptible to suggestions
23
Q

Hypnosis Induction

A

process of 1 person leading another into hypnotic state

24
Q

Hypnotic susceptibility scales

A
  • measures how susceptible individuals are to hypnosis - differs among people
  • tests whether they take in a suggestion while hypnotised - do/don’t follow direction
25
Q

2 theories explaining hypnosis

A

Dissociation theories: it splits your consciousness - part of it experiences the hypnotic state while part of it is aware of the real environment, but it is your choice (susceptibility) that determines whether you ignore the conscious part. e.g., pain/temperature

Social cognitive theories: not a unique level of consciousness, just you under the influence of various psychological factors: relaxation, imagination, compliance, role-enactment, conformity, attention, attitudes + expectations - still going along with suggested environment.

26
Q

Orne 1959

A

study supporting Social cognitive theories of hypnosis:
- 1 group told your dominant hand stiffens when hypnotised - 55% of this group experienced this, none of control group
= there is no universal ‘state of consciousness’ you are just under the influence of a certain belief system

27
Q

What do brain scans show about hypnotisation?

A

Brain activity when hypnotised is different than voluntarily/ consciously doing the same behaviour
- does not prove a different state of consciousness, - could just be different thought process/ asked vs ‘forced’