hearing tests - where and how?


It appears that "audiologists" are really only in the business of selling hearing aids, which are not even remotely full-range. After deciding to get tested, I found that almost no one does full range hearing tests - they don't bother to test beynd 8khz. I suspect that many readers of this forum would not consider an 8khz upper limit an adequate test. Has anyone already researched this, or found a source for a REAL hearing test? A Houston recommendation would be ideal.
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Addendum: correction to previous post. I stated "Have you gone to the libraries to see if there is any research in this area? It appears that you are conceding that there is not.". This should read "Have you gone to the libraries to see if there is any research to support your contention? It appears that you are conceding that there is not."
BTW, I believe that Oohashi's first studies were funded by Pioneer. This goes way back.

Kal
Musicnoise, there is no need to get nasty and insult mine or anyone else's intelligence in these forums. I am truly sorry if I offended you with the flippant nature of my previous post - it was not meant to be a personal attack; I was trying to be funny, very unsuccessfully I admit, and I was and still am exasperated by the fact that you are completely ignoring my real points. No, I am not a scientist, but I did work in the university library in school, helping the grad students with their music research (long before Google existed, and when the only computers were in the libraries, no one had their own yet). And I do have three full-time university professors in my immediate family, including two sociologists that do extensive research, one of them more than she teaches. I think you know very well what I meant by my comments, but you are obviously refusing, for whatever reasons, to take my points on the topic seriously, which is very disappointing. I really would like to hear exactly why, as a scientist, you think that there is no possible way the brain could perceive frequencies above 20kHz (for instance, what else would account for the increased brain activity in the 6 subjects?). As that article makes clear, it is NOT a proven scientific fact that we cannot - it merely stated that it was not a proven fact that we can. That was my main point.

The human brain is a much more sophisticated instrument than any piece of technology mankind has created, and there is a great deal about it we either don't know or can't prove. I have always contended that scientists and artists have very similar outlooks (and scientists are traditionally big supporters of the arts) - both are explorers, in a sense. However, I think in this case we are seeing a fundamental difference in temperament between you and I. You, the scientist, seem to be unwilling to even discuss seriously the possibility of something that is not definitely proven. I, the artist, am more positively imaginative about the limits of human possibility; perhaps overly so, but that remains to be seen.
I know an opera singer who claims some women can sing into the ultrasonic frequencies. He claimed audience get a tingly feeling or other type of physical response and enjoy the singing more because of the something extra being added.

Mariah Carey, anyone? No NOT an opera singer but her HF extension is well known.
I can't help but enter a thought or two about this discussion. I have enjoyed music all my life, and to protect my hearing, I have always used ear plugs at work. My hearing used to be phenomenal. Of course, as I aged(53 and counting), there was no doubt about the changes that have occurred. I did get a hearing test to confirm it, and ended up with a pair of Decibel 'Hearing Sticks'. I cannot say that they are perfect, and I don't always wear them. I will say that the fidelity that they are capable of is worthwhile sometimes, and not others. I must say that we might compare ourselves to the fat man riding the $5,000 bicycle. Great bike, very fast, responsive and light, but who do we think we are kidding?