Paller and Suzuki (2007) Flashcards

1
Q

two meanings of consciousness

A
  • the subjective experience of the world, resulting from brain activity
  • the state or a process of an individaul
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2
Q

elements of consciousness

A
  • subjective point of view; our unique view of the world
  • qualia: individual experiences; what things are like for that person
  • metacognition: reflect upon thoughts and draw judgement upon them
  • inner speech: our verbal narrative of the reasons for and reflections on our behavior
  • volition: making and sticking to decisions
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3
Q

dualism

A

mental (our consciousness) and physical are different substances

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4
Q

reductionism or reductionist views

A

mental phenomena can be explained via descriptions of physical phenomena

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5
Q

brain region responsible for body awareness

A
  • thalamus
  • cortical regions

-angular gyrus

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6
Q

Neuronal Correlates of consciousness theory

A

-measures the least amount of neural (brain) activity we can look at

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7
Q

social neuroscience theory…consciousness

A
  • to allow us to predict what people are going to do

- predict our own behavior

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8
Q

supramodel integration theory

A

–connects systems together and allows communication between brain regions that would not be able to communicate with one another on their own

-allows us to overrides some automatic systems or the dominant response

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9
Q

global neuronal workspace model…. consciousness

A
  • arises from when brain regions/ circuits are active
  • subjectively experienced brain activity
  • different areas responsible for conscious awareness of different types of information
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10
Q

brain regions responsible for consciousness according to GNW

A
  • prefrontal

- inferior parietal cortices

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11
Q

GNW evidence

A
  • Hemineglect patients are unaware of part of the visual
  • Patients are unaware of their left visual field, but live their lives normal and sometimes don’t even realize they cant see objects on their left visual field
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12
Q

information integration theory

A
  • proposes shared information itself constitutes consciousness
  • we are conscious of many things, but experience all the information as a whole
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13
Q

What is the relationship between the richness of consciousness and the structure of shared information?

A

-consciousness is highly structured, highly differentiated (informationally rich), and highly integrated

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14
Q

brain regions responsible for consciousness according to ITT

A
  • cortex

- thalamus

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15
Q

ITT evidence

A

Anesthesia like propofol and xenon disrupt brain’s ability to integrate information by altering neurotransmitter levels

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16
Q

two distinct ways to make decisions

A
  • automatic

- controlled

17
Q

controlled processes

A
  • used for tasks that require little or no consciousness
  • fast and effortless
  • involuntary action
  • involves focal cortical areas
18
Q

automatic processes

A
  • used for complex or unfamiliar tasks

- slow and effortful

19
Q

global levels of consciousness

A
  • alert wakefulness
  • REM sleep
  • deep sleep
  • brain death
  • persistent vegetative state
  • minimally conscious state
  • locked in syndrome
20
Q

alert wakefulness

A

-highest level of arousal and consciousness

21
Q

REM sleep

A
  • very active brain
  • low arousal
  • more consciousness than in deep sleep
22
Q

brain death

A
  • complete and irreversible loss of brain function
  • heart not beating on its own, no coming back
  • no blood circulation, brain stem not functional
23
Q

persistent vegetative state

A
  • low to no normal brain activity or consciousness detected

- less likely to emerge from

24
Q

minimally conscious state

A

-some response to stimuli, some awareness of surroundings

25
Q

locked-in syndrome

A
  • normal brain activity, but body cannot respond

- permanent sleep paralysis while brain is fully awake

26
Q

deep sleep

A

-lowest level of arousal and consciousness

27
Q

brain regions important for consciousness

A
  • prefrontal

- parietal lobe