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Author: Aayesha Narayan Dhuldhoya Publisher: ISBN: Category : Acoustic nerve Languages : en Pages : 202
Book Description
Masker pulse trains that are lower in level than the probe pulse produced proportionally small decrements in the ECAP amplitude with complete recovery within 250 ms of pulse train offset particularly in adults. ECAP recovery of a probe preceded by a masker pulse train of equal level followed a monotonic or non-monotonic pattern consistent with a hypothesis of both adaptation and facilitation occurring with pulse train stimulation. The various patterns of recovery may attest to the occurrence of more than a single process in the same subset of nerve fibers or in different fibers. We hypothesize that the variations in the recovery patterns may be attributable to individual differences in the status of the auditory nerve and possibly, the variations in temporal interactions across the spatial domain at different stimulus levels. Finally, the probe-evoked ECAP amplitude at steady state in children and briefly, e.g., 20 ms, after pulse train offset in both age groups could be predicted by the ECAP amplitude in response to the same probe pulse when preceded at a brief interval (1.2 or 2 ms) by a single masker pulse of the same level as the masker pulse train. Further investigation may reveal if the observed differences in neural responsiveness to pulsatile stimulation, among individuals account for differences in psychophysical measures, including speech perception and whether there may be an "optimal" neural output that could be evoked by an individually "optimized" signal.
Author: Aayesha Narayan Dhuldhoya Publisher: ISBN: Category : Acoustic nerve Languages : en Pages : 202
Book Description
Masker pulse trains that are lower in level than the probe pulse produced proportionally small decrements in the ECAP amplitude with complete recovery within 250 ms of pulse train offset particularly in adults. ECAP recovery of a probe preceded by a masker pulse train of equal level followed a monotonic or non-monotonic pattern consistent with a hypothesis of both adaptation and facilitation occurring with pulse train stimulation. The various patterns of recovery may attest to the occurrence of more than a single process in the same subset of nerve fibers or in different fibers. We hypothesize that the variations in the recovery patterns may be attributable to individual differences in the status of the auditory nerve and possibly, the variations in temporal interactions across the spatial domain at different stimulus levels. Finally, the probe-evoked ECAP amplitude at steady state in children and briefly, e.g., 20 ms, after pulse train offset in both age groups could be predicted by the ECAP amplitude in response to the same probe pulse when preceded at a brief interval (1.2 or 2 ms) by a single masker pulse of the same level as the masker pulse train. Further investigation may reveal if the observed differences in neural responsiveness to pulsatile stimulation, among individuals account for differences in psychophysical measures, including speech perception and whether there may be an "optimal" neural output that could be evoked by an individually "optimized" signal.
Author: Nancy M Young Publisher: Springer ISBN: 1493927884 Category : Medical Languages : en Pages : 362
Book Description
This book will move the field of pediatric cochlear implantation forward by educating clinicians in the field as to current and emerging best practices and inspiring research in new areas of importance, including the relationship between cognitive processing and pediatric cochlear implant outcomes. The book discusses communication practices, including sign language for deaf children with cochlear implants and the role of augmentative/alternative communication for children with multiple disabilities. Focusing exclusively on cochlear implantation as it applies to the pediatric population, this book also discusses music therapy, minimizing the risk of meningitis in pediatric implant recipients, recognizing device malfunction and failure in children, perioperative anesthesia and analgesia considerations in children, and much more. Cochlear Implants in Children is aimed at clinicians, including neurotologists, pediatric otolaryngologists, audiologists and speech-language pathologists, as well as clinical scientists and educators of the deaf. The book is also appropriate for pre-and postdoctoral students, including otolaryngology residents and fellows in Neurotology and Pediatric Otolaryngology.
Author: Nupur Kapoor Nerurkar Publisher: Thieme ISBN: 9382076069 Category : Medical Languages : en Pages : 1216
Book Description
Otology and Neurotology provides guidance on the clinical and practical management of diseases of the ear and lateral skull base.It discusses the latest techniques and technologies that encompass the complex nature of the specialty.Topics important to the otologist and neurotologist, such as chronic ear disease, cochlear and brainstem implants, robotic surgery, and many others, are covered by experts in their fields. This book is an invaluable reference for residents, fellows, allied health professionals, comprehensive otolaryngologists, otologists, neurotologists, and skull base surgeons. Key Features: Applied anatomy and physiology of the ear and lateral skull base Evidence-based approach to diseases of the ear and lateral skull base Practical presentation of cutting-edge concepts in otology and neurotology The contributors to this volume are internationally recognized experts in otology, neurotology, and lateral skull base surgery.
Author: Jeffery T. Lichtenhan Publisher: Frontiers Media SA ISBN: 2889455041 Category : Languages : en Pages : 315
Book Description
Electrocochleography (ECochG) is an approach for objective measurements of physiologic responses from the inner ear. Measurements have classically been made from electrodes placed in the outer ear canal, on the tympanic membrane, the round window niche, or inside the cochlea. Recent innovations have led to ECochG being used for exciting new purposes that drive clinical practice and contribute to the basic understanding of inner ear physiology. Cochlear implant recording electrodes can monitor the preservation of residual, low-frequency acoustic hearing, both in the operating room and post-operatively. ECochG measurements can quantify differential effects of inner ear surgery or other manipulations on vestibular and auditory physiology simultaneously. Various attributes of cognitive neuroscience can be addressed with ECochG measurements from the auditory periphery. These advances in ECochG provide a way to understand a variety of inner ear diseases and are likely to be of value to many groups in their own clinical and basic research.
Author: Takeshi Kubo Publisher: Kugler Publications ISBN: 9789062991914 Category : Medical Languages : en Pages : 624
Book Description
Introduction On behalf of the Organizing Committee of the Third Congress of Asia Pacific Symposium on Cochlear Implant and Related Sciences (3rd APSCI), I would like to extend my heartfelt thanks to all the attendants at the meeting, as well as to the contributors to these Proceedings. As most of you will have realized, the meeting was a great success both from a scientific as well as a social point of view. Almost four hundred attendants from 25 countries gathered in the Osaka Convention Hall. The program consisted of three parallel workshops spanning one and a half days, and three full days of scientific sessions. The weather was ideal, and our guests were able to see the cherry trees in full blossom and to enjoy their fill of Japanese culture. We have great pleasure in sending you your copy of the Proceedings of the 3rd APSCI, which contains all the updated information and state-of-the-art knowledge on cochlear implants and implantable hearing devices. As is indicated in the title of the meeting, this book covers many areas that are of scientific interest to us. The articles cover subjects ranging from surgical issues with regard to cochlear implantation, to basic studies on the auditory system, developmental studies in children, communication skills, speech, and education, etc. In addition, the reader will observe that some of the articles are related to implantable middle ear devices, a subject which was not covered in the proceedings of the 1st and 2nd APSCI meetings. The editors sincerely hope that this book will contribute to the development of cochlear implants and middle ear devices. Takeshi Kubo, MD President, 3rd APSCI
Author: Nicole Müller Publisher: John Wiley & Sons ISBN: 1118448715 Category : Language Arts & Disciplines Languages : en Pages : 674
Book Description
The Handbook of Speech and Language Disorders presents a comprehensive survey of the latest research in communication disorders. Contributions from leading experts explore current issues, landmark studies, and the main topics in the field, and include relevant information on analytical methods and assessment. A series of foundational chapters covers a variety of important general principles irrespective of specific disorders. These chapters focus on such topics as classification, diversity considerations, intelligibility, the impact of genetic syndromes, and principles of assessment and intervention. Other chapters cover a wide range of language, speech, and cognitive/intellectual disorders.
Author: Pim van Dijk Publisher: Springer ISBN: 331925474X Category : Medical Languages : en Pages : 487
Book Description
The International Symposium on Hearing is a prestigious, triennial gathering where world-class scientists present and discuss the most recent advances in the field of human and animal hearing research. The 2015 edition will particularly focus on integrative approaches linking physiological, psychophysical and cognitive aspects of normal and impaired hearing. Like previous editions, the proceedings will contain about 50 chapters ranging from basic to applied research, and of interest to neuroscientists, psychologists, audiologists, engineers, otolaryngologists, and artificial intelligence researchers.
Author: Fan-Gang Zeng Publisher: Springer Science & Business Media ISBN: 1441994343 Category : Medical Languages : en Pages : 397
Book Description
Cochlear implants are currently the standard treatment for profound sensorineural hearing loss. In the last decade, advances in auditory science and technology have not only greatly expanded the utility of electric stimulation to other parts of the auditory nervous system in addition to the cochlea, but have also demonstrated drastic changes in the brain in responses to electric stimulation, including changes in language development and music perception. Volume 20 of SHAR focused on basic science and technology underlying the cochlear implant. However, due to the newness of the ideas and technology, the volume did not cover any emerging applications such as bilateral cochlear implants, combined acoustic-electric stimulation, and other types of auditory prostheses, nor did it review brain plasticity in responses to electric stimulation and its perceptual and language consequences. This proposed volume takes off from Volume 20, and expands the examination of implants into new and highly exciting areas. This edited book starts with an overview and introduction by Dr. Fan-Gang Zeng. Chapters 2-9 cover technological development and the advances in treating the full spectrum of ear disorders in the last ten years. Chapters 10-15 discuss brain responses to electric stimulation and their perceptual impact. This volume is particularly exciting because there have been quantum leap from the traditional technology discussed in Volume 20. Thus, this volume is timely and will be of real importance to the SHAR audience.
Author: Aayesha Narayan Dhuldhoya
Author: Aayesha Narayan Dhuldhoya
Author: Nancy M Young
Author: Nupur Kapoor Nerurkar
Author: Jeffery T. Lichtenhan
Author: Jace Wolfe
Author: Takeshi Kubo
Author: Nicole Müller
Author: 
Author: Pim van Dijk
Author: Fan-Gang Zeng