I've posted this before, but I'm still curious as to what it is;
Basically, this happened about 7 times over the course of a month, about a year ago. It would happen when I was using my brain a lot, like during a test in school or programming on the computer.
What would happen is that everything would get really loud around me, everything would seem to happen really fast, and I would hear my thoughts as the voice of a low pitched voice yelling. Like in my math test, the sound of people writing and crinkling papers was extremely loud, and hearing the questions that I was reading was like yelling in my ears.
I don't have any mental problems, or any medical/social problems otherwise, just to let you know. Basically, I'm just wondering what this is.