(Bloomberg) -- Elon Musk has made plenty of claims about Neuralink Corp., his brain-machine interface company. On Twitter and on podcasts, the billionaire has touted abilities that sound nothing short of miraculous: easing depression, helping with obsessive compulsive disorder and treating traumatic brain injuries.

Now, Neuralink, whose work has largely been shrouded in secrecy, is set to give a public “progress update” on Friday.

In the run-up to the big reveal, Musk has allowed some glimpses at the company’s technology. An early look came a year ago, when the Neuralink team showed off tiny electrodes on thin, flexible probes they said would be able to penetrate brain tissue with minimal damage, and ultimately help restore brain function to people with traumatic brain injuries. The team has already been placing them in rats and primates.

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