A REVOLUTIONARY device that helps people use sounds to build images in their brain could be adopted for the blind, say scientists.
The vOICE sensory substitution device trains the brain to turn sounds into images, allowing people to create a picture of the things around them.
Researchers at Bath University say The vOICE could be used as an alternative to invasive treatment for the blind and partially-sighted. A team from the university's department of psychology asked blindfolded sighted participants to use the device while taking an eye test.
Results showed the participants – even without training with the device – were able to achieve the best performance possible.
Dr Michael Proulx, who led the Bath team, said: "This level of visual performance exceeds that of the current invasive technique for vision restoration, such as stem-cell implants and retinal prostheses after extensive training.
"A recent study found successful vision at a level of 20/800 after the use of stem cells. Although this might improve with time and provide the literal sensation of sight, the affordable and non-invasive nature of the vOICE provides another option.
"Sensory-substitution devices are not only an alternative, but might also be best employed in combination with invasive techniques to train the brain to see again or for the first time."
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