Ideas worth spreading

Strange answers to the psychopath test

28,709,747 views | Jon Ronson • TED2012

Is there a definitive line that divides crazy from sane? With a hair-raising delivery, Jon Ronson, author of The Psychopath Test, illuminates the gray areas between the two. (With live-mixed sound by Julian Treasure and animation by Evan Grant.)

Is there a definitive line that divides crazy from sane? With a hair-raising delivery, Jon Ronson, author of The Psychopath Test, illuminates the gray areas between the two. (With live-mixed sound by Julian Treasure and animation by Evan Grant.)

This talk was presented at an official TED conference. TED's editors chose to feature it for you.

About the speaker

Jon Ronson

Writer, filmmaker

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Jon Ronson is a writer and documentary filmmaker who dips into every flavor of madness, extremism and obsession.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.