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Play Video: Fear, explained in 90 seconds

Fear, explained in 90 seconds

Oct. 26, 2017 noon

Using his expertise in psychology and neuroscience, Princeton professor Michael Graziano explains in 90 seconds how fear is all in your head.

Throughout our lives, personal experiences lead to our individual fears — the clown Pennywise made that very clear in this year’s film reboot of the Stephen King novel "It."

Just in time for Halloween, Michael Graziano, a Princeton professor of psychology and the Princeton Neuroscience Institute, shows how fear is all in your head.