fisherdvm:Loose association and flights of ideas are symptoms of schizophrenia..... Now to find out who the whackos are on scubaboard.
Just about anything is a sign of schizophrenia since there is not really any such thing. It is the "other" designation for mental illness IMO, but that is for another board.
As for helmets, Soggy you need to ensure you can mount plenty of lights to said helmet.