You may find the 2nd video in @rok-sivante's post interesting.

AJ suffers from Parkinson's Disease and has had probes placed into his brain to relieve the symptoms.

https://steemit.com/technology/@rok-sivante/why-it-s-time-for-conspiracy-theorist-to-quit-fearing-brain-microchip-implants-grow-the-f-ck-up-and-get-to-work-contributing-to

It's quite remarkable.