The Effects of Interventions on ADHD Symptoms

I've just seen some research that makes me kind of like pause is when there's interventions that then lead to differences in outcome and direct testing. So people get read a paragraph and then they relay their understanding, their comprehension of that paragraph. And then they put in things like a filter on one ear that maybe delays the information coming into one ear drum right? And then down that neural pathway,. And then they read them a different paragraph and they, their level of understanding,their comprehension makes a leap. I kind of go, oh, well, okay. There's something there. Do I understand like the exact mechanism of which that is working and does it entirely make intuitive sense to be not