I notice I get moved from mild hypomanic states into intense excitement by things like jumping on a trampoline, accelerating rapidly in my car, and seeing trees and other scenery blur and whiz by. The feeling here is usually euphoria.

I also get highly stimulated (and agitated and confused - dysphoric) by sudden loud noises, or diverse noises in enclosed public places, such as restaurants.

Has anyone come across any studies or articles on the topic of vestibular stimulation triggering manic episodes?