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Still, AI can’t have novel insights, nor can it generate new information that isn’t already fed into its electronic brain.

A paralysed man has been able to walk simply by thinking about it thanks to electronic brain implants, a medical first he says has changed his life.

Instead of designing one big microprocessor with vast numbers of tiny transistors, they conceived of creating one from smaller chips that would be packaged tightly together to work like one electronic brain.

Michael Francavilla, a paediatric radiologist at the Children’s Hospital of Philadelphia, Pennsylvania, uses his reference manager as an electronic brain — a place where he can store what he’s learnt about the conditions he treats, as well as informative graphics that he can share with patients and trainees.

The band measures electronic brain waves and translates them to a measure of alertness or fatigue.