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Functional network antagonism and consciousness.

Athena Demertzi1,2,3,4, Aaron Kucyi5, Adrián Ponce-Alvarez6

  • 1Physiology of Cognition, GIGA Consciousness Research Unit, GIGA Institute (B34), Sart Tilman, University of Liège, Liège, Belgium.

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Summary
This summary is machine-generated.

Anticorrelations in brain activity, specifically between the default mode network and other regions, may signal preserved consciousness. Disruptions to this neural inhibition pattern could indicate a lack of subjective experience.

Keywords:
AnticorrelationsConsciousnessFunctional connectivityIntegrationNeural inhibitionSegregation

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Physiology

Background:

  • Spontaneous brain activity varies with consciousness states.
  • Anticorrelations between the default mode network and other brain regions are a key feature of consciousness.
  • The precise implication of this antagonistic organization for consciousness remains unclear.

Purpose of the Study:

  • To propose that neural anticorrelations represent the brain's segregation capacity.
  • To link neural inhibition to the regulation of these anticorrelations.
  • To establish anticorrelations as a potential physiological marker of consciousness.

Main Methods:

  • Perspective article synthesizing existing theories and findings.
  • Postulating neural inhibition as a mediator of anticorrelations.
  • Integrating network metastability and theories of consciousness.

Main Results:

  • Anticorrelations are proposed as the physiological expression of neural segregation.
  • Neural inhibition is suggested as a key mechanism regulating these anticorrelations.
  • Anticorrelations are posited as a marker for preserved consciousness.

Conclusions:

  • Anticorrelations may serve as a physiological prior indicating subjective experience.
  • Disruption of anticorrelations could imply a lack of consciousness.
  • Understanding this link may aid in treating consciousness disorders.