The vOICe equipment is demonstrated by one user. Photograph: Nic Delves-Broughton/University of Bath

Using sound to help blind people to create images in their heads can prove more effective in enabling them to perform everyday activities, such as picking up a cup or even reading, than invasive surgical operations, according to groundbreaking new research. A joint project involving a team of psychologists and computer scientists at the University of Bath is assessing how the brain can use sensory substitution to help blind and partially sighted people to "see".

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