Here's the gist: "Prof Shinji Nishimoto, of Osaka University, who has pioneered the reconstruction of visual images from brain activity, described the paper as a “significant advance”. “The paper showed that the brain represents continuous language information during perception and imagination in a compatible way,” he said. “This is a non-trivial finding and can be a basis for the development of brain-computer interfaces."

Improving upon its current ability is a fairly alarming concept. At the very least, it would mean another leap into the unknown.

I have my reservations concerning Elon Musk but when he's talking about the dangers of AI, he is convincing.