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Is free will an illusion?

Nature volume 459, pages 164165 (14 May 2009) | Download Citation


Scientists and philosophers are using new discoveries in neuroscience to question the idea of free will. They are misguided, says Martin Heisenberg. Examining animal behaviour shows how our actions can be free.

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  1. 1.

    Nature Neurosci. 11, 543–545 (2008).

  2. 2.

    Behav. Brain Sci. 8, 529–566 (1985).

  3. 3.

    The Illusion of Conscious Will (MIT Press, 2002).

  4. 4.

    Naturwissenschaften 70, 70–78 (1983).

  5. 5.

    & Vision in Drosophila in Studies of Brain Function Vol. XII, (ed. Braitenberg, V.) (Springer, 1984).

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  1. Martin Heisenberg is professor emeritus in the department of biology at the University of Würzburg, Germany.

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