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Neuroscience of free will

See also: Self-agency
On several different levels, from neurotransmitters through neuron firing rates to overall activity, the brain seems to "ramp up" before movements. This image depicts the readiness potential (RP), a ramping-up activity measured using EEG. The onset of the RP begins before the onset of a conscious intention or urge to act. Some have argued that this indicates the brain unconsciously commits to a decision before consciousness awareness. Others have argued that this activity is due to random fluctuations in brain activity, which drive arbitrary, purposeless movements.[1]

The neuroscience of free will, a part of neurophilosophy, is the study of topics related to free will (volition and sense of agency) using neuroscience and the analysis of how findings from such studies may impact the free will debate.

As medical and scientific technology has advanced, neuroscientists have become able to study the brains of living humans, allowing them to observe the brain's decision-making processes and revealing insights into human agency, moral responsibility, and consciousness.[2][3][4] One of the pioneering studies in this field was conducted by Benjamin Libet and colleagues in 1983[5] and has been the foundation of many studies in the years since.[citation needed] Other studies have attempted to predict the actions of participants before they happen,[6][7] explore how we know we are responsible for voluntary movements as opposed to being moved by an external force,[8] or how the role of consciousness in decision-making may differ depending on the type of decision being made.[9]

Some areas of the human brain implicated in mental disorders that might be related to free will. Area 25 refers to Brodmann's area 25, related to major depression.

Philosophers like Daniel Dennett and Alfred Mele question the language used by researchers, suggesting that "free will" means different things to different people (e.g., some notions of free will posit that free will is compatible with determinism,[10] while others do not). Dennett insists that many important and common conceptions of "free will" are compatible with the emerging evidence from neuroscience.[11][12][13][14]

  1. ^ Schurger, Aaron; Sitt, Jacobo D.; Dehaene, Stanislas (2012-10-16). "An accumulator model for spontaneous neural activity prior to self-initiated movement". Proceedings of the National Academy of Sciences. 109 (42): E2904–E2913. Bibcode:2012PNAS..109E2904S. doi:10.1073/pnas.1210467109. ISSN 0027-8424. PMC 3479453. PMID 22869750.
  2. ^ The Institute of Art and Ideas. "Fate, Freedom and Neuroscience". IAI. Archived from the original on 2 June 2015. Retrieved 14 January 2014.
  3. ^ Cite error: The named reference BAC was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Holton was invoked but never defined (see the help page).
  5. ^ Libet, Benjamin (1985). "Unconscious cerebral initiative and the role of conscious will in voluntary action" (PDF). The Behavioral and Brain Sciences. 8 (4): 529–566. doi:10.1017/s0140525x00044903. S2CID 6965339. Archived from the original (PDF) on 19 December 2013. Retrieved 18 December 2013.
  6. ^ Cite error: The named reference soonetal was invoked but never defined (see the help page).
  7. ^ Maoz, Uri; Mudrik, Liad; Rivlin, Ram; Ross, Ian; Mamelak, Adam; Yaffe, Gideon (2014-11-07), "On Reporting the Onset of the Intention to Move", Surrounding Free Will, Oxford University Press, pp. 184–202, doi:10.1093/acprof:oso/9780199333950.003.0010, ISBN 9780199333950
  8. ^ Cite error: The named reference WegnerWheatley1999 was invoked but never defined (see the help page).
  9. ^ Mudrik, Liad; Koch, Christof; Yaffe, Gideon; Maoz, Uri (2018-07-02). "Neural precursors of decisions that matter—an ERP study of deliberate and arbitrary choice". bioRxiv: 097626. doi:10.1101/097626.
  10. ^ Smilansky, S. (2002). "Free will, fundamental dualism, and the centrality of illusion". The Oxford handbook of free will.
  11. ^ Cite error: The named reference WalterH was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference Kane was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference NatureAim was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference Dennett was invoked but never defined (see the help page).

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