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Visualizing Visual Adaptation
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How chromatic phenomenality largely overflow its cognitive accessibility.

John Beeckmans1

  • 1Faculty of Engineering, University of Western Ontario, London, Ontario, Canada. jbeeckmans@eng.uwo.ca

Consciousness and Cognition
|September 29, 2009
PubMed
Summary

Visual phenomenal consciousness and access consciousness may stem from separate brain regions. Phenomenal consciousness, rich in color detail, might exceed the information available in access consciousness.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Philosophy of Mind

Background:

  • The neural underpinnings of consciousness are debated.
  • Visual phenomenal consciousness and access consciousness may have distinct neural substrates.

Purpose of the Study:

  • To explore the hypothesis that visual phenomenal consciousness and access consciousness are neurally distinct.
  • To investigate the role of early visual cortex in chromatic experience.
  • To examine the function of mereologically superordinate (MS) concepts in mediating cognitive access to visual percepts.

Main Methods:

  • Theoretical analysis based on existing literature (Block, 2007).
  • Conceptual framework integrating neural localization and information processing.
  • Hypothesizing the relationship between phenomenal content and access content.

Main Results:

  • Suggests phenomenal consciousness, particularly chromatic detail, is rooted in early visual cortex.
  • Proposes that mereologically superordinate (MS) concepts mediate access to visual information.
  • Implies phenomenal consciousness contains more information than access consciousness.

Conclusions:

  • The neural separation of consciousness types is plausible.
  • Early visual cortex is crucial for rich visual phenomenology.
  • Information asymmetry exists between phenomenal and access consciousness.