Scientists use ultrasound to jump-start a man’s brain after coma
Deep brain stim with ultrasonic raises patient from coma. Aimed at the thalmus, very low power required.
Might be useful for raising astronauts from slumber on a mars mission too. NASA are studying extended hibernation/somulance.
http://sciencebulletin.org/archives/4666.html
paper, paywalled http://www.brainstimjrnl.com/article/S1935-861X%2816%2930200-5/abstract
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