Download or read book Extended Frequency Range Hearing Thresholds and Otoacoustic Emissions in Acute Acoustic Trauma written by Markus Büchler and published by . This book was released on 2012 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Distortion Products Otoacoustic Emissions as Markers of Tinnitus Persistence After Acute Acoustic Trauma written by and published by . This book was released on 2005 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific Basis of Noise induced Hearing Loss written by Alf Axelsson and published by . This book was released on 1996 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Otoacoustic Emissions written by Martin S. Robinette and published by Thieme. This book was released on 2011-01-01 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new edition of a best-selling text with a CD-ROM by Dr. David Kemp The new edition of the best-selling Otoacoustic Emissions: Clinical Applications provides a thorough review of the complex physiology of the ear and clinical applications of the latest research on otoacoustic emissions. The book features new chapters on such important topics as middle ear function enhanced by reflectance measurements and the use of otoacoustic emissions as a preclinical measure of susceptibility to hearing loss. Accompanying the book is a CD-ROM developed by Dr. David Kemp, Ph.D., which contains animations, movies, and interviews. The CD-ROM serves as an indispensable aid to both teaching and reviewing key concepts. From physiological phenomena to diagnostic and clinical applications, this book is a complete reference on otoacoustic emissions that will provide graduates in audiology and residents in otolaryngology and otology with all the essential information needed for research and professional practice.
Download or read book Advances in Noise Induced Hearing Loss written by Donald Henderson and published by . This book was released on 1998 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Noise Exposure on Auditory Threshold Otoacoustic Emissions and Electrocochleography written by Alyson Butler Lake and published by . This book was released on 2016 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise exposure is the second leading cause of acquired sensorineural hearing loss and is one of the most common occupational and environmental hazards. Examining changes in behavioral thresholds has long been the standard for detection and monitoring of noise-induced hearing loss (NIHL). It has been suggested that electrocochleography (ECochG) could be an additional tool for assessing NIHL. Otoacoustic emissions (OAEs) provide objective information on the integrity of outer hair cell (OHC) function and have also been suggested for evaluating damage due to noise overexposure. The broad experimental question was: What is the effect of short-term narrowband noise exposure, as a function of ear and gender, on cochlear function as measured with behavioral, ECochG, and OAE indices? In Experiment 1, it was of interest to first examine the reliability of ECochG electrode type (i.e., Lilly-TM Wick vs. TIPtrode[TM]) at two stimulus rates (i.e., 7.7/s vs. 77.7/s). Electrode and rate were statistically significant (p [less than] .001) predictors of SP and AP responses (i.e., responses were more apt to be present when recorded with the wick electrode at the slow rate). Test-retest reliability was examined with correlation coefficients, linear mixed model analyses of variance, test-retest differences, and Bland-Altman plots. There were statistically significant correlations (p [less than] .05) between initial test and retest for all ECochG indices (i.e., summating potential [SP] amplitude, action potential [AP] latency, AP amplitude, SP/AP amplitude ratio, and SP/AP area ratio) when using a Lilly TM-Wick electrode and for all ECochG indices except SP amplitude when testing with a TIPtrode[TM]. Amplitude measures were significantly (p [less than] .01) larger when recording with the wick electrode. SP amplitudes were significantly (p [less than] .05) larger for the faster rate. AP latency was significantly (p [less than] .001) longer for the fast rate. AP amplitudes were significantly (p [less than] .05) larger for the slower rate. Both SP/AP amplitude ratio and SP/AP area ratio were significantly (p [less than] .001) larger for the fast rate. There was no statistically significant effect of test on any ECochG indices (p [less than] .05). In Experiment 2, auditory threshold differences were examined as a function of ear, gender, and frequency. Significantly (p [less than] .0001) larger auditory threshold differences were observed for left ears and for 3000 Hz than 2000 Hz, 4000 Hz or 6000 Hz. Additionally, statistically significant correlations between right ear auditory threshold differences at 3000 Hz and right 2000 Hz pure tone acoustic reflex thresholds (p = .04) as well as between left ear auditory threshold differences at 3000 Hz and left 2000 Hz pure tone acoustic reflex thresholds (p = .03) and 2000 Hz narrowband noise acoustic reflex thresholds (p = .01) were found. Statistically significant main effects of level (p [less than] .0001) and frequency (p [less than] .0001) were observed for DPOAE I/O functions in Experiment 3. DPOAE absolute amplitude differences were largest for the L1, L2 level of 55, 40 dB SPL and smallest for the L1, L2 level of 65, 65 dB SPL. DPOAE absolute amplitude differences were also smallest for the f2 frequency of 2051 Hz. A statistically significant gender by frequency interaction (p [less than] .05) was also identified. Females generally had larger DPOAE absolute amplitude differences than males except at the f2 frequency of 4980 Hz. Finally, Experiment 4 revealed a statistically significant interaction of ear and gender (p [less than] .05) for SP amplitude. SP amplitudes were significantly increased for female left ears following noise exposure while female right ears showed essentially no change. Additionally, left ear SP/AP amplitude ratios and SP/AP area ratios were significantly (p [less than] .05) increased following noise exposure. In summary, due to the excellent test-retest reliability and easier identification of ECochG wave components, Lilly-TM Wick electrodes were deemed superior for recording ECochG. Experiments 2, 3, and 4 revealed that behavioral thresholds, DPOAE I/O functions, and ECochG showed measureable changes following a 2000 Hz narrowband noise exposure.
Download or read book Issues in Otorholaryngology Audiology and Speech Pathology Research and Practice 2013 Edition written by and published by ScholarlyEditions. This book was released on 2013-05-01 with total page 1170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in Otorholaryngology, Audiology, and Speech Pathology Research and Practice: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Dysphagia. The editors have built Issues in Otorholaryngology, Audiology, and Speech Pathology Research and Practice: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Dysphagia in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Otorholaryngology, Audiology, and Speech Pathology Research and Practice: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Download or read book Basic and Applied Aspects of Noise induced Hearing Loss written by Richard Salvi and published by . This book was released on 1986 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book New Perspectives on Noise induced Hearing Loss written by Roger P. Hamernik and published by Lippincott Williams & Wilkins. This book was released on 1982 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Otoacoustic Emissions Principles Procedures and Protocols Second Edition written by Sumitrajit Dhar and published by Plural Publishing. This book was released on 2018-03-01 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Otoacoustic Emissions: Principles, Procedures, and Protocols, Second Edition is a readable yet comprehensive source of information on otoacoustic emissions (OAEs). OAEs now play an important role in hearing screening and the clinical assessment of children and adults. The text begins with a succinct overview of OAEs and a historical description of their discovery and emergence as a clinical tool. Otoacoustic Emissions distills in 10 chapters the latest information on OAEs from basic research to clinical applications. The book is concise, but comprehensive, and covers the essentials of the subject from innovative and up-to-date perspectives. The second edition features updates across all chapters, including current research findings and changing perspectives on OAE taxonomy. Important information is highlighted with new and updated illustrations throughout the book. The material covered in the book is appropriate for intermediate and advanced students, and ideal for practicing audiologists. With a focus on practical information needed by the clinical audiologist and an eye to technological developments, authors Dhar and Hall provide an up-to-date, straightforward, and clinically focused source of information on OAEs.
Download or read book Noise and Military Service written by Institute of Medicine and published by National Academies Press. This book was released on 2006-01-20 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Institute of Medicine carried out a study mandated by Congress and sponsored by the Department of Veterans Affairs to provide an assessment of several issues related to noise-induced hearing loss and tinnitus associated with service in the Armed Forces since World War II. The resulting book, Noise and Military Service: Implications for Hearing Loss and Tinnitus, presents findings on the presence of hazardous noise in military settings, levels of noise exposure necessary to cause hearing loss or tinnitus, risk factors for noise-induced hearing loss and tinnitus, the timing of the effects of noise exposure on hearing, and the adequacy of military hearing conservation programs and audiometric testing. The book stresses the importance of conducting hearing tests (audiograms) at the beginning and end of military service for all military personnel and recommends several steps aimed at improving the military services' prevention of and surveillance for hearing loss and tinnitus. The book also identifies research needs, emphasizing topics specifically related to military service.
Download or read book Towards an Understanding of Tinnitus Heterogeneity written by Christopher Cederroth and published by Frontiers Media SA. This book was released on 2019-07-19 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tinnitus is the perception of a sound when no external sound is present. The severity of tinnitus varies but it can be debilitating for many patients. With more than 100 million people with chronic tinnitus worldwide, tinnitus is a disorder of high prevalence. The increased knowledge in the neuroscience of tinnitus has led to the emergence of promising treatment approaches, but no uniformly effective treatment for tinnitus has been identified. The large patient heterogeneity is considered to be the major obstacle for the development of effective treatment strategies against tinnitus. This eBook provides an inter- and multi-disciplinary collection of tinnitus research with the aim to better understand tinnitus heterogeneity and improve therapeutic outcomes.
Download or read book Active Processes and Otoacoustic Emissions in Hearing written by Geoffrey A. Manley and published by Springer Science & Business Media. This book was released on 2007-12-20 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cochlea does not just pick up sound, it also produces sounds of low intensity called Otoacoustic Emissions (OAEs). Sounds produced by healthy ears – either spontaneously or in response to stimuli - allow researchers and clinicians to study hearing and cochlear function noninvasively in both animals and humans. This book presents the first serious review of the biological basis of these otoacoustic emissions.
Download or read book Magnesium in the Central Nervous System written by Robert Vink and published by University of Adelaide Press. This book was released on 2011 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: The brain is the most complex organ in our body. Indeed, it is perhaps the most complex structure we have ever encountered in nature. Both structurally and functionally, there are many peculiarities that differentiate the brain from all other organs. The brain is our connection to the world around us and by governing nervous system and higher function, any disturbance induces severe neurological and psychiatric disorders that can have a devastating effect on quality of life. Our understanding of the physiology and biochemistry of the brain has improved dramatically in the last two decades. In particular, the critical role of cations, including magnesium, has become evident, even if incompletely understood at a mechanistic level. The exact role and regulation of magnesium, in particular, remains elusive, largely because intracellular levels are so difficult to routinely quantify. Nonetheless, the importance of magnesium to normal central nervous system activity is self-evident given the complicated homeostatic mechanisms that maintain the concentration of this cation within strict limits essential for normal physiology and metabolism. There is also considerable accumulating evidence to suggest alterations to some brain functions in both normal and pathological conditions may be linked to alterations in local magnesium concentration. This book, containing chapters written by some of the foremost experts in the field of magnesium research, brings together the latest in experimental and clinical magnesium research as it relates to the central nervous system. It offers a complete and updated view of magnesiums involvement in central nervous system function and in so doing, brings together two main pillars of contemporary neuroscience research, namely providing an explanation for the molecular mechanisms involved in brain function, and emphasizing the connections between the molecular changes and behavior. It is the untiring efforts of those magnesium researchers who have dedicated their lives to unraveling the mysteries of magnesiums role in biological systems that has inspired the collation of this volume of work.
Download or read book Tinnitus An Issue of Otolaryngologic Clinics of North America written by Carol Bauer and published by Elsevier Health Sciences. This book was released on 2020-07-16 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue of Otolaryngologic Clinics of North America, Guest Edited by Drs Carol Bauer, Ronna P. Hertzano, and Didier Depireux, is devoted to Tinnitus. This issue is one of six selected each year by our series Consulting Editor, Sujana S. Chandrasekhar. Articles in this important issue include: Animal Models of Tinnitus; Epidemiology and Genetics of Tinnitus; Classification of Tinnitus; Noise: Acoustic Trauma to the Inner Ear; Noise: Acoustic Trauma and Tinnitus – What Musicians Know; Noise: Acoustic Trauma and Tinnitus – The US Military Experience; Perception of and Reaction to Tinnitus: The Depression Factor; Objective Correlates of Tinnitus via Electrophysiological Correlates: DPs and ABRs; Objective Correlates of Tinnitus via Imaging; Current Medical (validated) Treatments: Cognitive Therapy; Current Medical (validated) treatments: Pharmacological Intervention; Current Medical (validated) Treatments: Medical Devices, Hearing Aids and Cochlear Implants; Alternative Treatments for Tinnitus: Alternative Medicine; Current Clinical Trials: Drug; Current Clinical Trials: Devices; Avenue for Future Treatments; and Tinnitus: An Industry Perspective.
Download or read book Noise Induced Hearing Loss written by Colleen G. Le Prell and published by Springer Science & Business Media. This book was released on 2011-10-30 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exposure to loud noise continues to be the largest cause of hearing loss in the adult population. The problem of NIHL impacts a number of disciplines. US standards for permissible noise exposure were originally published in 1968 and remain largely unchanged today. Indeed, permissible noise exposure for US personnel is significantly greater than that allowed in numerous other countries, including for example, Canada, China, Brazil, Mexico, and the European Union. However, there have been a number of discoveries and advances that have increased our understanding of the mechanisms of NIHL. These advances have the potential to impact how NIHL can be prevented and how our noise standards can be made more appropriate.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1986 with total page 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
