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Mechanism Integrated Information.

Leonardo S Barbosa1, William Marshall1,2, Larissa Albantakis1

  • 1Department of Psychiatry, University of Wisconsin-Madison, Madison, WI 53719, USA.

Entropy (Basel, Switzerland)
|April 3, 2021
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Summary
This summary is machine-generated.

This study introduces a novel information measure that satisfies all postulates of Integrated Information Theory (IIT). This framework identifies key mechanisms and systems crucial for understanding the physical basis of consciousness.

Keywords:
causationconsciousnessexistenceintrinsic

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Area of Science:

  • Neuroscience
  • Philosophy of Mind
  • Theoretical Physics

Background:

  • Integrated Information Theory (IIT) provides a framework for understanding consciousness.
  • IIT postulates specific properties physical systems must meet to be conscious.
  • A recent information measure (Barbosa et al., 2020) addressed three IIT postulates: existence, intrinsicality, and information.

Purpose of the Study:

  • To demonstrate that a novel information measure satisfies all postulates of Integrated Information Theory (IIT).
  • To develop a framework for identifying maximally irreducible mechanisms and systems within IIT.
  • To advance the understanding of the physical substrate of conscious experience.

Main Methods:

  • Extension of a recently introduced information measure.
  • Demonstration of satisfaction of IIT's integration and exclusion postulates.
  • Development of a framework for identifying maximally irreducible mechanisms.

Main Results:

  • The new information measure successfully captures all five postulates of IIT.
  • The framework identifies maximally irreducible mechanisms.
  • These mechanisms form maximally irreducible systems.

Conclusions:

  • The developed framework and measure provide a robust approach to specifying the physical substrate of consciousness according to IIT.
  • This work advances the theoretical and mathematical underpinnings of consciousness research.
  • The findings pave the way for empirical investigations into the physical basis of subjective experience.