well, might depend on a few things... if you are older than child age, you would get a no even if you were an "indigo" child at one time. dowsing questions tend to be very literal. Besides, I'm not at all sure that term has any significance anyway. it might, i just never bothered to check into it.
as for the head pressure, i get that when certain things are being treated... and it yes it certainly can knock you off line for awhile.