Blind people may use their visual cortex to regulate movement


The brain’s visual cortex may be reorganised to control movement in people who cannot see

Health



16 March 2022

Stock image of a blind person walking with a stick

Shutterstock / PH888

The visual cortex, the part of the brain that receives information from the eyes, has been known to respond to sound or touch in people who are blind. Researchers have now shown it may be unwittingly repurposed to process movement.

“After the loss of vision, the visual cortex loses its primary purpose,” says Tsuyoshi Ikegami at the National Institute of Information Communications Technology in Japan. “It’s a waste of brain resources… so it’s an essential characteristic of our …



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