Better hearing with cochlear implants : studies at the Research Triangle Institute / Blake S. Wilson, Michael F. Dorman.

Includes bibliographical references (pages 431-444) and index.

Comparison of analog and pulsatile coding strategies for multichannel cochlear prostheses (QPR 3:1) -- New levels of speech reception with cochlear implants (QPR 3:2) -- Evaluation of alternative implementations of the continuous interleaved sampling (CIS), interleaved pulses (IP), and peak picker (PP) processing strategies (QPR 3:3) -- Comparison of compressed analog (CA) and continuous interleaved sampling (CIS) -- Processors in tests with seven ineraid subjects (QPR 3:4) -- Evaluation of other promising strategies (QPR 3:10) -- Completion of "poor performance" series (QPR 3:12) -- Auditory brainstem implant (ABI) studies (QPR 3:12) -- Virtual channel interleaved sampling (VCIS) processors : initial studies with subject SR2 (QPR 4:1) -- Identification of virtual channels on the basis of pitch (QPR 4:3) -- Further evaluation of VCIS processors (QPR 4:6) -- Design for an inexpensive but nonetheless highly effective cochlear implant system (FR 4) -- 22 electrode percutaneous study : results for the first five subjects (QPR 5:3) -- Speech reception with bilateral cochlear implants (QPR 6:4) -- Sensitivities to interaural timing differences (QPR 7:4) -- Pitch ranking of electrodes for 22 subjects with bilateral cochlear implants (QPR 7:10) -- Psychophysical studies relating to combined EAS (QPR 6:11) -- Speech reception with combined EAS (QPR 7:3) -- Temporal representations with cochlear implants (summary in FR 4 of sections in QPRS 4:7 and 4:11) -- Strategies for the repair of deficits in temporal representations with cochlear implants (QPR 4:9) -- High rate studies, subject SR2 (QPR 5:7).

This book provides a comprehensive account of a decades-long research effort to improve cochlear implants (CIs). The research was conducted primarily at the Research Triangle Institute (RTI) in North Carolina, USA, and the results provided key pillars in the foundation for the present-day devices. Although many of these results were reported in journal articles and other publications, many others were only reported in Quarterly and Final Progress Reports for the National Institutes of Health, which supported the RTI effort. In addition, the Progress Reports provided details that could not be included in the publications. The book is an annotated compilation of the most important sections from the most important reports that gives readers access to previously unpublished data and also a broad and logically organized overview of the research. The book may be used as a primary text on CIs, and it can serve as a multifaceted reference for physicians, audiologists, neuroscientists, designers of neural prostheses, and scientists and other specialists whose work is aimed at the remediation of hearing loss. In all, a fascinating history is presented, which began with little or no speech recognition with CIs for any user and ended with high levels of speech recognition for the great majority of users, including the ability to converse with ease via cell phones. This is a long trip in a short time, and historians of science and technological developments will be interested in knowing how such a rapid development was possible, and about the twists and turns on the way to the destination.

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