Your in good company with Hindu wisdom with the “gut-brain” or the lower gastrointestinal system* located / connected to the 2nd chakra at the navel — the brain or center of the physical body and energy center. That area also relates to gut-intuition, but now I’m just showing-off. Apologies, I tip my turban to you…

*stomach, small and large intestine, colon and bowel

In the Gurdjieff Work which I have been affiliated with for 46 years refers to the 3 brains (or centers) of humans.