The topic, but not this exception, is touched on in
“Your Brain: Who's in Control? | Full Documentary | NOVA | PBS“
Episode 2 of a two-part series, premiered May 24, 2023. Both episodes are fascinating and eye opening.
08:36 Anesthesia and the Brain
https://www.pbs.org/wgbh/nova/video/your-brain-whos-in-contr...