In an interview, Noland Arbaugh says the company wanted to avoid further surgery. The first human recipient says the device is performing better than before following algorithm changes. Neuralink An estimated 85-percent of Neuralink’s brain-computer interface (BCI) implant threads connected to the first human patient’s motor cortex are now completely detached and his brain has shifted inside his skull up to three times what the company expected, volunteer Noland Arbaugh told The Wall Street Jour...