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A Turing test for free will.

Seth Lloyd1

  • 1Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, 02139, USA. slloyd@mit.edu

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|June 20, 2012
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Summary
This summary is machine-generated.

Quantum mechanics introduces randomness, but computation offers true unpredictability. This paper argues computational unpredictability, not quantum randomness, underpins the feeling of free will.

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Area of Science:

  • Philosophy of Mind
  • Quantum Mechanics
  • Theory of Computation

Background:

  • Alan Turing explored quantum mechanics' link to free will before his computation work.
  • Quantum mechanics suggests inherent unpredictability in events.
  • The nature of free will remains a significant philosophical and scientific question.

Purpose of the Study:

  • To investigate the distinct roles of quantum mechanics and computation in the context of free will.
  • To differentiate between quantum randomness and computational unpredictability in decision-making.
  • To propose a novel framework for understanding the subjective experience of free will.

Main Methods:

  • Analysis of quantum mechanics' implications for randomness in decision-making.
  • Examination of the theory of computation's implications for unpredictability in deterministic processes.
  • Development of a conceptual 'Turing test' for free will.

Main Results:

  • Quantum mechanics, while introducing stochasticity, does not equate to freedom.
  • Deterministic computational processes can yield intrinsically unpredictable outcomes.
  • This computational unpredictability is posited as the source of the sensation of free will.

Conclusions:

  • Free will is better understood through computational unpredictability than quantum randomness.
  • A decision-maker's belief in free will can be independent of the world's determinism.
  • A 'Turing test' is proposed to assess the subjective experience of free will.