Sound can activate sight for the blind

Hebrew University of Jerusalem brain scientists have tapped onto the visual cortex of people suffering from congenital blindness by using sensory substitution devices (SSDs) – making it possible for them in effect to “see” and even describe objects. Video camera images are converted into “soundscapes,” using a predictable algorithm, allowing the user to listen to and then interpret the visual information coming from the camera.
http://www.jpost.com/Health/Article.aspx?id=257054

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