Hi Aladdin, I only experienced the tunning fork once - recently. It made me feel odd but did not trigger the Tullio's. Interesting how we have so many of the same triggers but some that are different as well. How is your pressure sensitivity? You mentioned in a previous post that you use a headset at times to block out noise. I can't seem to use any because the headsets block off air flow to my ear, triggering the pressure sensitivity aspect of the Tullio's.