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Thu, Nov 14, 2013 -- 10:00 AM

How We Make Moral Decisions


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Matt Cardy/Getty Images
A human brain on display as part of an exhibit in Bristol, England.
Matt Cardy/Getty Images
A human brain on display as part of an exhibit in Bristol, England.

Harvard neuroscientist and philosopher Joshua Greene has brought a new dimension to the study of morality by scanning the brains of people as they struggle with philosophical dilemmas. Greene argues that humans are hardwired with a "tribal" mentality, an "us-versus-them" perspective that leads to clashes over political and social issues like abortion, gay marriage and gun rights. In his book "Moral Tribes," Greene explores how we make moral decisions, whether we put individual rights above the common good, and how this explains many of the social debates between different groups and countries.

Host: Michael Krasny

Guests:

  • Joshua Greene, neuroscientist at Harvard University's Moral Cognition Lab and author of "Moral Tribes: Emotion, Reason, and The Gap Between Us and Them"

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