John was the first trial volunteer to undergo the procedure. Sheth and his colleagues put him under general anesthetic before drilling holes into his skull to insert the electrodes. The team implanted two DBS electrodes on each side of the brain in regions thought to be involved in symptoms of...
you’re using a drug that comes in pretty low on the harm scale—way belowalcohol, tobacco, and cannabis. “Ketamine is a surprisingly safe anesthetic, to the extent that it’s on the World Health Organization’s list of essential medicines,” said Jones. “And the dos...