A Review of Hyperacusis and Future Directions: Part I. Definitions and Manifestations
AJA Review Article A Review of Hyperacusis and Future Directions: Part I. Definitions and Manifestations Richard S. Tyler,a Martin Pienkowski,b Eveling Rojas Roncancio,a Hyung Jin Jun,a Tom Brozoski,c Nicolas Dauman,d Claudia Barros Coelho,a Gerhard Andersson,e,f Andrew J. Keiner,a Anthony T. Cacace,g Nora Martin,a and Brian C. J. Mooreh Purpose: Hyperacusis can be extremely debilitating, and at Results: Hyperacusis encompasses a wide range of present, there is no cure. We provide an overview of the reactions to sound, which can be grouped into the field, and possible related areas, in the hope of facilitating categories of excessive loudness, annoyance, fear, and future research. pain. Many different causes have been proposed, and it will Method: We review and reference literature on be important to appreciate and quantify different subgroups. hyperacusis and related areas. We have divided the Reasonable approaches to assessing the different forms of review into 2 articles. In Part I, we discuss definitions, hyperacusis are emerging, including psychoacoustical epidemiology, different etiologies and subgroups, and measures, questionnaires, and brain imaging. how hyperacusis affects people. In Part II, we review Conclusions: Hyperacusis can make life difficult for many, measurements, models, mechanisms, and treatments, forcing sufferers to dramatically alter their work and social and we finish with some suggestions for further habits. We believe this is an opportune time to explore research. approaches to better understand and treat hyperacusis. yperacusis can be devastating for those who suf- refereed publications, books, and conference proceedings. fer from it. This review is intended to clarify what We highlighted what we believe are key issues that are im- H is known at present about hyperacusis and its portant to move forward, sometimes even drawing from underlying mechanisms to focus research and to promote areas not normally associated with hyperacusis.
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