Reflections on the cochlear nucleus (CNu) and some early clinical studies

Frank E. Musiek   There is no question that considerable research has been conducted on the cochlear nucleus in recent years. Anatomists, physiologists, psycho-acousticians, audiologists and others have made contributions to our understanding of the CNu. However, in reflection on some current research of the CNu I kept thinking about some very early research which…

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Anatomy of Acoustic Neuroma

Elissa H. Kawamoto, B.S. Graduate Student, Department of Speech, Language and Hearing Science, University of Arizona   In order to develop strong diagnostic and clinical skills, one must have a deep understanding of the anatomy and physiology of the entire system related to ones field of study. Considerable attention must be directed towards understanding the region where…

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Time Compressed Speech

Herbert Jay Gould, Ph.D. School of Communication Sciences and Disorders, The University of Memphis   Compressed speech has been studied since the early 1950s (Garvey 1953) and has been suggested as a tool for the diagnosis of APD since at least 1977 (Beasley and Freeman 1977). The general consensus is that abnormal performance on compressed speech…

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The Clinical Utility of P300 Evoked Responses in Post-Sport-Related Concussion Evaluation

By: Stephanie A. Waryasz, Au.D., CCC-A, F-AAA   Sport-related concussion is a type of injury that tends to produce subtle anatomical abnormalities on the microscopic level within the brain (Gaetz & Weinberg, 2000; Gaetz, Goodman, & Weinberg, 2000; Barth, Freeman, Broshek, & Verney, 2001).  These types of injuries may be asymptomatic and remain unidentified through…

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