NEW YORK (AP) — Tech billionaire Elon Musk is announcing a new venture called Neuralink focused on linking brains to computers.

The company plans to develop brain implants that can treat neural disorders — and that may one day be powerful enough to put humanity on a more even footing with possible future superintelligent computers, according to a Wall Street Journal report citing unnamed sources.

Musk, a founder of both the electric-car company Tesla Motors and the private space-exploration firm SpaceX, has become an outspoken doomsayer about the threat artificial intelligence might one day po...