More 3D movies than ever are in theaters now and manufacturers are selling 3D TVs. Yet surprisingly little is known about the effects of stereo vision on our brains. Researchers at Berkeley are applying cutting-edge technology to find out what happens when 3D is not produced correctly. UC Berkeley Visual Science Professor Martin Banks’ lab is breaking new ground in studying the way we perceive depth. Enabling test subjects to see two screens at once using mirrors, his team has established some of the things that lead to bad 3D.

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