Well, we were warning people about it since several years, but finally somebody demonstrated it! (and this person, Colleen LePrell, is somebody I really appreciate: she was postdoc with Sandy Bledsoe back when I was visiting student at the Kresge Hearing Research Institute in the University of Michigan (Go Blue!!!!!) ... speaking about that, she is now Associate Professor in the Department of Speech, Language and Hearing Sciences at the sunny University of Florida, while I am in cold Canada L ... some people are better than other to organize their career I assume ...). A very interesting (yet somehow scary) work, showing that the youngsters are really seriously damaging their ears in modern societies. Practically speaking, it also reinforces my point that sensory evaluation shall be performed systematically before we try to assess cognition using interactive tasks.
Le Prell CG, Hensley BN, Campbell KC, Hall JW 3rd, Guire K (2011) Evidence of hearing loss in a 'normally-hearing' college-student population. Int J Audiol, 50(S1):S21-31.