A team of international brain researchers recently produced some unbelievable footage: A completely blind man walking down a littered hallway, apparently cognizant of the obstacles before him and avoiding them all. For years, scientists have quarreled over the legitimacy of "blindsight." Now, it seems undeniable - but what will be the consequences? We're joined by Richard Held
, who pioneered blindsight research in the 1970s, and Rob Stein
of the Washington Post.
Watch video footage here
, hosted by Professor Beatrice de Gelder, a member of the research team.