Task 1 Flashcards

1
Q

First person Data

A

refers to conscious subjective experience

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2
Q

Third Person Data

A

refers to brain processes, behavior, environmental interactions

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3
Q

science of consciousness

A

it is all about relating 3rd to 1st person data

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4
Q

How can 3rd person data be measured?

A

EEG, brain imagining, single cell studies

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5
Q

What are central constraint s of 3rd person data?

A

they stem from technological and ethical limitations rather then conceptual barriers

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6
Q

fundamental theory of consciousness

A

-> not developed yet

idea refers to a broad connection principle that may lead to a universal law that underlies the two types of data

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7
Q

What do contemporary scientists rely on?

A

first person data (psychophysics) where experiences of phenomena (eg illusions) are verbally described

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8
Q

which methodology use contemporary scientists?

A

untutored introspection, verbal reports, formalism

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9
Q

The greatest challenge is to develop more sophisticated methodologies.
What are obstacles in developing first person methodologies?

A

1 lack of incorrigible acess to our experience
2 when introspecting an experience, experience changes
3 it is impossible to access all our experiences at once
4 consequent possibility of ‘‘grant illusion’’

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10
Q

What are the obstacles for first person formalism?

A

1 can content of experience be fully captured in language?

2 if a person did not have a certain experience - can a description be meaningful?

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11
Q

intrinsic, non-structural aspects of experience

eg sensation of a colour

A
  • underlying structures (hue, lightness) can be aapted to a proto-qualia theory
  • people have same building blocks
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12
Q

emotional experience

A
  • difficulties with reliability
  • emotions = inexpressive , especially if someone has never experienced emotions before
    (emotions vary on dimensions (duaration, intensity, affect))
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13
Q

Neural correlate of consciousness

A

consciousness is not directly and straightforwardly and therefore problematic

(there is no consciousness meter available)

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14
Q

pre-experimental bridging principle

A

interpretation of physical systems to judge consciousness

based on combination of :
1 conceptual judgements about what is count as conscious and what is not
2 info gleaned from first person data

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15
Q

principle of interpretation

A

verbal report= most prevalent

  • info that can be verbally reported is conscious
  • info that is directly available for global control is concious
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16
Q

rational reconstruction

A

if someone tries to justify a conclusion = justification follows shape of rational reconstruction

consciousness global availability
global availabilty cneural processes
so
consciousness neural processes

17
Q

What does the conclusions of NCC mean?

A
  • presence of NCC wherever global availability is present, suggests that it is a mechanism that subserves global availability in the brain
  • there are many neural correlates of consciousness because of many machanisms of global availability

_ NCC can be used as sort of consciousness meter

18
Q

permanent vegetative state

A

neurological categorization of patients who emerge from coma, appear to be awake but show no signs of awareness of self or environment

19
Q

fmri x consciousness

A

ctivation of primary
visual cortex, secondary visual association areas, non-visual areas BUT we don’t see the transition from unconscious to conscious perception

  • fmri can only show precursors of a perception but not actual awarness of a person
20
Q

Which brain area generates consciousness?

A

consciousness is not generated by a specific brain area

21
Q

What is the main goal of clinical assessment of conscious patients

A

determine whether patient retains the capacity for a purposeful response to stimulation, however inconsistent

-> it is very challenging to distinguish purely reflexive from voluntary behaviors

22
Q

study of Cambridge and Liege

A

small proportion of patients in a vegetative or minimally conscious state have brain
activation reflecting some awareness & cognition
 careful clinical examination will result in reclassification of the state of consciousness

23
Q

consciousness can be dividided into two main components

A
  1. awarness (command following)

2. arousal (eye opening)

24
Q

two main components of consciousness

A

consciousness content

consciousness level

25
Q

consciousness content

A

(qualitative aspect or awareness)‒nothing noticed –normal perception –hallucinations

26
Q

consciousness level

A

(quantitativeaspect or arousal)‒awake –unarousable –dead