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Understanding Consciousness01:23

Understanding Consciousness

Consciousness can be defined as the state of being aware of and able to think about one's existence, sensations, and surroundings. It encompasses two major components: awareness and arousal. Awareness pertains to the recognition of environmental stimuli and internal states. At the same time, arousal refers to the physiological readiness to engage with these stimuli, which varies significantly between states like sleep and wakefulness.
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Assessment and Communication for People with Disorders of Consciousness
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Published on: August 1, 2017

Consciousness cannot be separated from function.

Michael A Cohen1, Daniel C Dennett

  • 1Vision Sciences Laboratory, Department of Psychology, William James Hall, Harvard University, Cambridge, MA 02138, USA. michaelthecohen@gmail.com

Trends in Cognitive Sciences
|August 3, 2011
PubMed
Summary
This summary is machine-generated.

Current consciousness theories dividing neural correlates of experience and function are scientifically untestable. We propose a refined concept of cognitive access for a falsifiable scientific approach to consciousness.

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09:00

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Published on: April 15, 2015

Area of Science:

  • Neuroscience
  • Philosophy of Mind
  • Cognitive Science
  • Scientific Methodology

Background:

  • Dominant theories of consciousness posit distinct neural correlates for conscious experience and cognitive function.
  • This division aligns with the philosophical framing of 'hard' and 'easy' problems of consciousness.
  • Such divisions present significant challenges for empirical investigation and scientific validation.

Purpose of the Study:

  • To argue that neurobiological theories based on an experience/function division are inherently untestable.
  • To highlight the limitations of current scientific approaches to consciousness.
  • To propose criteria for developing falsifiable theories of consciousness.

Main Methods:

  • Conceptual analysis of the demarcation between conscious experience and cognitive function in neurobiological theories.
  • Illustration of untestability using a hypothetical 'perfect experiment'.
  • Development of a revised concept of cognitive access.

Main Results:

  • Theories dividing neural correlates of experience and function are empirically unfalsifiable and thus outside the scope of science.
  • A hypothetical 'perfect experiment' demonstrates the inherent boundaries of scientifically studying consciousness.
  • A nuanced notion of cognitive access is proposed as a scientifically viable alternative.

Conclusions:

  • The strict separation of conscious experience and cognitive function in consciousness theories renders them scientifically intractable.
  • A revised understanding of cognitive access is necessary for empirical investigation.
  • Future theories of consciousness must meet falsifiability criteria to be scientifically valid.