The Journal of Ethics

, Volume 9, Issue 3–4, pp 331–352

Ethics and Intuitions

  • Peter Singer
Article

Abstract

For millennia, philosophers have speculated about the origins of ethics. Recent research in evolutionary psychology and the neurosciences has shed light on that question. But this research also has normative significance. A standard way of arguing against a normative ethical theory is to show that in some circumstances the theory leads to judgments that are contrary to our common moral intuitions. If, however, these moral intuitions are the biological residue of our evolutionary history, it is not clear why we should regard them as having any normative force. Research in the neurosciences should therefore lead us to reconsider the role of intuitions in normative ethics.

Key words

brain imaging David Hume ethics evolutionary psychology Henry Sidgwick Immanuel Kant intuitions James Rachels John Rawls Jonathan Haidt Joshua D. Greene neuroscience trolley problem utilitarianism 

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Copyright information

© Springer 2005

Authors and Affiliations

  • Peter Singer
    • 1
    • 2
  1. 1.University Center for Human ValuesPrinceton UniversityPrincetonUSA
  2. 2.Centre for Applied Philosophy and Public EthicsUniversity of MelbourneMelbourneAustralia

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