Does anybody else feel their brain short-circuiting?

My anxiety has been out of control lately, but recently I’ve started to feel a really strange sensation that I’ve never experienced before. It feels like my brain is “short circuiting”, kind of like an engine revving but going nowhere. It’s like all my thoughts jumble into one light-speed non-sensical blur. I upped my seroquel dose about a week ago; do you think that has anything to do with it?