Uploaded September 2013 | Updated September 2026, 2 days ago

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Following Alan's visit with Dr. Steven Laken, where he was asked to lie about an object he stole in an fMRI scanner, Alan visited with Dr. Nancy Kanwisher of MIT. She explains the limits of fMRI and why it's dangerous to use lie detection scans in court.

This segment was taken from episode one, "Determining Guilt," from the broadcast, "Brains on Trial with Alan Alda."

To see the full episode, go here: brainsontrial.com/watch-videos/video/episode-1-determining-guilt

And for more video and other content, go here: brainsontrial.com