I don't know how to help but I have the same frustrating symptoms. You see, I have gotten multiple concussions from my parents literally slapping my head so hard and multiple times within three months. I think maybe it was 15 times all together. I lost all sense of who I was, had terrible headaches, was drowsy,tired all the time, blurry vision, desensitization, anxious, angry, depressed, cloudy. the works. Then, in my disinhibition, I crashed into the floor with my head, into a staircase, and into a bathtub. Its been several months and I see improvements, some, albeit slow and easily taken away by jolts and the like. They say not to have second impacts after your first concussion. Well I had probably 10 hard impacts after my first concussion. My recovery and PCS seem forever now. my parents had terrible discipline techniques. I would complain, then get hit in the head. Then complain about head hit, then get hit again in the head, then complain about that head hit, and they would hit me even harder in the head. and over and over and over again. It was pure hell. Anyway, I was just sitting in a chair when a math tutor came over and drummed hard with his hands on the back of my chair. All of my thoughts disappeared suddenly and it felt like I had another concussion. Is this possible? Because I am so frustrated with this hell. I tried to be patient, no i was so optimistic even yesterday, and now it all gone suddenly with this chair impact/vibrations. I am so sick of this. how could these vibrations effect my head so much? whatever got to stay possitive