Perhaps my favorite science experiment, next to dual-slit, https://radiolab.org/... | Hacker News

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		avisser on Oct 18, 2023 \| parent \| context \| favorite \| on: Low serotonin levels might explain some Long Covid... Perhaps my favorite science experiment, next to dual-slit, https://radiolab.org/podcast/197242-gut-feelings They cut the vagus nerves of rats and see behavior change. Which makes sense to me - when "brains" first evolved, the connection to the stomach would've been the prime connection.

jinder on Oct 18, 2023 [–]

Not just that. In mice, SSRIs stop having any anti-depressant effects if the vagus nerve is severed: https://www.nature.com/articles/s41598-019-50807-8

So they also seem to be effective via the enteric nervous system!

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