well if you were with us on wednesday you will have seen the amazing report by our correspondent pallab ghosh about the use of electronic implants in the brain of paralysed man which enabled him to walk again. well it might sound like it s the stuff of science fiction films, but electronic brain implants took a step closer today. an experimental company called neuralink founded by elon musk says it has won clearance from us regulators to carry out its first clinical study on a human. it s working on brain implants to treat conditions such as paralysis and blindness, and to help some disabled people communicate with computers. eventually, the company says it wants to surpass able bodied human performance with its technology. well, speaking to me now is nita farahany, professor of philosophy at duke law university and an expert on the ethical, legal and social implications