If, as you claim, to have been raised with ASL and you "turned out all right" (I would agree) then why do you need me to supply the data and research when it is available in books, in reports and on the Internet?
I challenge you to do your own research, answer your own questions, then let's have a civil discussion, not with acrimony or 4-letter words, as some have posted elsewhere on this site.
Hammond Ham