Terrence J. Sejnowski and David Eagleman from the Neurobiology Lab explain their research on the human brain and the perception of vision and sound, the binding problem and the flash-lag effect.
That's the world of Laura Rosser, 24, and others who have synesthesia, in which one sense - taste, sight, hearing, touch or smell - gets jumbled with another, creating what Dr. Richard Cytowic, a neurologist, describes as a blending of the senses.
Aug. 15, 2006 on ABC Primetime
