We’ve all had that moment. The moment where you might see or hear something and you wonder: am I going crazy? In this hour, TED speakers share their experiences straddling that line between madness and sanity — and question if we’re all in the gray area between the two.

1. Elyn Saks: What’s It Like To Have A Psychotic Episode?

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2. Joshua Walters: Where Do Mental Illness And Creativity Meet?

[ted src = “http://www.npr.org/player/embed/171271412/171292632”]

3. Jon Ronson: Are We All A Little Psychopathic?

[ted src = “http://www.npr.org/player/embed/171271561/171292572”]