Bruce Bridgeman lived with a flat view of the world until a trip to the cinema unexpectedly rewired his brain to see the world in 3D.
The 67-year-old neuroscientist at the University of California in Santa Cruz, grew up nearly stereoblind, that is, without true perception of depth, until February 16 when he went to see the film Hugo.
Like everyone else, Bridgeman paid a surcharge for a pair of 3D glasses, despite thinking they would be a complete waste of money.
Instead, some part of his brain awakened.
(READ the story from the BBC)