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The Lucretian swerve: The biological basis of human behavior and the criminal justice system

Anthony R. Cashmore
PNAS 2010; published ahead of print February 8, 2010, https://doi.org/10.1073/pnas.0915161107
Anthony R. Cashmore
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Abstract

It is widely believed, at least in scientific circles, that living systems, including mankind, obey the natural physical laws. However, it is also commonly accepted that man has the capacity to make “free” conscious decisions that do not simply reflect the chemical makeup of the individual at the time of decision—this chemical makeup reflecting both the genetic and environmental history and a degree of stochasticism. Whereas philosophers have discussed for centuries the apparent lack of a causal component for free will, many biologists still seem to be remarkably at ease with this notion of free will; and furthermore, our judicial system is based on such a belief. It is the author’s contention that a belief in free will is nothing other than a continuing belief in vitalism—something biologists proudly believe they discarded well over 100 years ago.

  • consciousness
  • free will
  • stochasticism
  • criminal law
  • vitalism

Footnotes

  • 1E-mail: cashmore{at}sas.upenn.edu.
  • This contribution is part of the special series of Inaugural Articles by members of the National Academy of Sciences elected in 2003.

    Contributed by Anthony R. Cashmore, January 12, 2010 (sent for review September 9, 2009)

  • Author contributions: A.R.C. wrote the paper.

  • The author declares no conflict of interest.

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The Lucretian swerve: The biological basis of human behavior and the criminal justice system
Anthony R. Cashmore
Proceedings of the National Academy of Sciences Feb 2010, 200915161; DOI: 10.1073/pnas.0915161107

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The Lucretian swerve: The biological basis of human behavior and the criminal justice system
Anthony R. Cashmore
Proceedings of the National Academy of Sciences Feb 2010, 200915161; DOI: 10.1073/pnas.0915161107
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