Max Stanley Chartrand
Scientific Tracks Abstracts: Commun Disord Deaf Stud Hearing Aids
Hearing care professionals and hearing aid manufacturers still report untenable levels of remakes, returns for credit, and
cases of failure to fit for a variety of reasons. Hearing aid discomfort, own-voice artifacts, and cost/benefit perceptions
top the list of reported reasons. In the present study, the status of the keratin or corneum stratum in the external auditory
canal (EAC) has been found to negatively or positively affect hearing aid adaptation. These include keratin’s role in preventing
oversensitivity in EAC mechanoreceptors (hair follicles, Meissner corpuscles and Pacinian corpuscles) and their subsequent
neuroreflexes (Arnold’s Branch, Trigeminal, and Lymphatic Reflex), which affect own-voice perception, insertion and removal,
wearing comfort, and coupler adaptation.
Max Stanley Chartrand serves on the advisory committees to the American Tinnitus Association, the Better Hearing Institute, Audiology Online, and is a professional
member of the Society of Behavioral Medicine, on the Federal & State Advocacy Committee of the International Hearing Society, and the Advisory Committee for
the Arizona Division of Hearing Aid Dispenser Licensing. He is also a Professor of Behavioral Medicine and has served on numerous doctoral research committees
relative to human health and the hearing sciences. In 1994, he was recipient of the Joel S. Wernick Excellence in Education Award, and has published and lectured
extensively throughout the world over the past four decades.