People ‘see’ letters traced on their brain’s surface by an implant

Tracing the shape of letters on the surface of the brain using an implant that electrically stimulates neurons enabled people who have lost their sight to “see” the letters

Source:
https://www.newscientist.com/article/2243608-people-see-letters-traced-on-their-brains-surface-by-an-implant/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home