This is the best summary I could come up with:

Neuralink founder Elon Musk claimed this week that the first human to receive one of his company's heavily scrutinized brain implants was already able to control a mouse cursor with their mind.

"[Neuralink is] only sharing the bits that they want us to know about," Sameer Sheth, a neurosurgeon who specializes in implanted neurotechnology at the Baylor College of Medicine, told Nature.

Leaked documents detailed how the implants resulted in a myriad of grotesque injuries, including rupturing a monkey's brain and causing severe cerebral swelling.

A relevant detail that raises questions about Neuralink's surgical capabilities is another report of a monkey with a botched brain implant.

"A human controlling a cursor is nothing new," Bolu Ajiboye, a brain computer interface researcher at Case Western Reserve University, told Nature.

Meanwhile, other brain implant projects have allowed fully paralyzed patients to communicate through a digital avatar using only their mind, or to control life-changing robotic prosthetics.

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