Towards Optical Cochlear Implants: Behavioral and Physiological Responses to Optogenetic Activation of the Auditory Nerve PDF Download
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Author: Alexander Dieter
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Cochlear implants (CIs) constitute the interface between the sound-deprived brain of patients suffering from sensorineural hearing loss and the auditory scene surrounding them. By electrically stimulating the auditory nerve (AN), CIs mimic coding principles of the cochlea and provide the user with auditory information, enabling speech comprehension in half a million implantees. Unfortunately, current is hard to steer in the cochlear fluids, limiting the spatial selectivity and thus the spectral resolution of electrical hearing restoration. As light can be conveniently confined in space, opt ...
Author: Alexander Dieter
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Cochlear implants (CIs) constitute the interface between the sound-deprived brain of patients suffering from sensorineural hearing loss and the auditory scene surrounding them. By electrically stimulating the auditory nerve (AN), CIs mimic coding principles of the cochlea and provide the user with auditory information, enabling speech comprehension in half a million implantees. Unfortunately, current is hard to steer in the cochlear fluids, limiting the spatial selectivity and thus the spectral resolution of electrical hearing restoration. As light can be conveniently confined in space, opt ...
Author: World Health Organization
Publisher: World Health Organization
ISBN: 924159361X
Category : Medical
Languages : en
Pages : 24
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Book Description
Although half of all deafness and hearing impairment is avoidable, an estimated 278 million people worldwide are living with disabling hearing impairment (moderate or worse level of hearing loss in the better hearing ear). Many more have mild hearing loss and/or ear diseases. One quarter of hearing impairment begins during childhood, and 80% of all deaf and hearing impaired people live in low and middle income countries. These problems can be life-long and sometimes life-threatening; they may have profound effects on: inter-personal communication, education, employment prospects, social relationships and through stigmatization. They produce substantial economic burdens on countries. Some of the most effective and cost-effective interventions against ear and hearing problems can be implemented at the primary level by trained primary ear and hearing care (PEHC) workers or primary health care (PHC) workers or their equivalents. Used on a large scale, these interventions will have a major impact on the burden of ear disease and hearing loss. However most developing countries do not have PEHC workers and the topic is hardly addressed in the training of PHC workers. The Primary Ear and Hearing Care Training Resource manuals provide practical information and guidance and can be used as part of a training course, stand-alone training module or in a self-taught manner. They are designed to be useful to a wide range of primary health care personnel. The manuals can also be used to help communities understand common causes of deafness and hearing impairment and ways to prevent and/or treat the conditions.
Author: Massimo De Vittorio
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Author: W. Herzog
Publisher: John Wiley & Sons
ISBN: 9780471492382
Category : Science
Languages : en
Pages : 586
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Book Description
Dieses Teilgebiet der Biomechanik ist für Sportwissenschaftler und Physiologen von großer Bedeutung! Die umfassende, aktuelle Abhandlung der Skelettmuskelmechanik beschäftigt sich mit drei Themenkreisen: den Mechanismen der Skelettmuskelkontraktion, der Muskelfunktion in vivo und theoretischen Modellen der Muskelfunktion. Auch ein knapper historischer Abriß und ein Ausblick auf noch offene Fragen fehlen nicht. (08/00)
Author: Eberhard Zwicker
Publisher: Springer Science & Business Media
ISBN: 3662095629
Category : Science
Languages : en
Pages : 422
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Book Description
Psychoacoustics - Facts and Models represents a comprehensive collection of data describing the processing of sound by the human hearing system. It includes quantitative relations between sound stimuli and auditory perception in terms of hearing sensations. In addition, quantitative psychoacoustic models of hearing sensations are given. The monograph contains a unique collection of data on the human hearing system as a receiver of acoustic information as well as many examples of the practical application of the results of basic research in fields such as audiology, noise evaluation, and sound engineering. Many helpful hints for the solution of practical problems will be of particular benefit to engineers, and the book as a whole should serve as an important benchmark in the field of psychoacoustics. The treatment given in this second edition has been thoroughly updated with recent results.
Author: Mark S. Humayun
Publisher: Springer
ISBN: 3319672606
Category : Medical
Languages : en
Pages : 137
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Book Description
Intended as a useful and practical guide primarily oriented toward ophthalmic practitioners involved in retinal prosthesis implantation and post-operative visual rehabilitation, this book focuses on the Argus II Retinal Prosthesis and its revolutionary incorporation into the practice. The reader will get an update on patient selection, expected visual outcomes, surgical implantation techniques, and post-operative visual rehabilitation. Retinal Prosthesis - A Clinical Guide to Successful Implementation is written in a clear and concise manner and includes diagrams and high quality photographs to demonstrate best practices in surgical techniques and desired outcomes. Covering topics such as history of retinal prostheses, bioengineering considerations, clinical therapies, and other therapies and future directions, this book is written for practicing ophthalmologists, residents, and medical students interested in retinal implants.
Author: Klaus Böheim
Publisher: Karger Medical and Scientific Publishers
ISBN: 3805594704
Category : Medical
Languages : en
Pages : 95
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Book Description
In recent years, methods for coupling active implants to the middle ear, round window or combinations of passive middle ear prostheses have progressed considerably. Patient selection criteria have expanded from purely sensorineural hearing losses to conductive and mixed hearing losses in difficult-to-treat ears. This book takes into consideration recently developed methods as well as devices in current use. It begins with a fascinating and authentic history of active middle ear implants, written by one of the main pioneers in the field. In the following chapters, leading scientists and clinicians discuss the relevant topics in otology and audiology. Treatments for sensorineural hearing loss, conductive and mixed hearing losses, and results on alternative coupling sites such as the stapes footplate and the oval window are also covered, as well as articles on candidacy and cost-effectiveness. This publication is a must for ENT professionals and surgeons seeking out the latest knowledge on current research and clinical applications of active middle ear implants for all types of hearing loss.
Author: Fan-Gang Zeng
Publisher: Springer Science & Business Media
ISBN: 1441994343
Category : Medical
Languages : en
Pages : 397
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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: Xiaoxiang Zheng
Publisher: Springer Nature
ISBN: 9811320500
Category : Medical
Languages : en
Pages : 250
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Book Description
This book focuses on the frontiers of neural interface technology, including hardware, software, neural decoding and encoding, control systems, and system integration. It also discusses applications for neuroprosthetics, neural diseases and neurorobotics, and the toolkits for basic neuroscience. A neural interface establishes a direct communication channel with the central or peripheral nervous system (CNS or PNS), and enables the nervous system to interact directly with the external devices. Recent advances in neuroscience and engineering are speeding up neural interface technology, paving the way for assisting, augmenting, repairing or restoring sensorimotor and other cognitive functions impaired due to neurological disease or trauma, and so improving the quality of life of those affected. Neural interfaces are now being explored in applications as diverse as rehabilitation, accessibility, gaming, education, recreation, robotics and human enhancement. Neural interfaces also represent a powerful tool to address fundamental questions in neuroscience. Recent decades have witnessed tremendous advances in the field, with a huge impact not only in the development of neuroprosthetics, but also in our basic understanding of brain function. Neural interface technology can be seen as a bridge across the traditional engineering and basic neuroscience. This book provides researchers, graduate and upper undergraduate students from a wide range of disciplines with a cutting-edge and comprehensive summary of neural interface engineering research.
Author: Francesco S. Pavone
Publisher: CRC Press
ISBN: 0429530900
Category : Science
Languages : en
Pages : 439
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Book Description
The Handbook of Neurophotonics provides a dedicated overview of neurophotonics, covering the use of advanced optical technologies to record, stimulate, and control the activity of the brain, yielding new insight and advantages over conventional tools due to the adaptability and non-invasive nature of light. Including 32 colour figures, this book addresses functional studies of neurovascular signaling, metabolism, electrical excitation, and hemodynamics, as well as clinical applications for imaging and manipulating brain structure and function. The unifying theme throughout is not only to highlight the technology, but to show how these novel methods are becoming critical to breakthroughs that will lead to advances in our ability to manage and treat human diseases of the brain. Key Features: Provides the first dedicated book on state-of-the-art optical techniques for sensing and imaging across at the cellular, molecular, network, and whole brain levels. Highlights how the methods are used for measurement, control, and tracking of molecular events in live neuronal cells, both in basic research and clinical practice. Covers the entire spectrum of approaches, from optogenetics to functional methods, photostimulation, optical dissection, multiscale imaging, microscopy, and structural imaging. Includes chapters that show use of voltage-sensitive dye imaging, hemodynamic imaging, multiphoton imaging, temporal multiplexing, multiplane microscopy, optoacoustic imaging, near-infrared spectroscopy, and miniature neuroimaging devices to track cortical brain activity.
