Cochlear Implants -

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Résumé :
1. Introduction to Models of the Electrically Stimulated Ear.- I Tissue Characteristics Moderator: C. Daniel Geisler Discussion Leader: Brian M. Johnstone.- 2. Electrical Characteristics of Cochlear Tissues.- 3. Selective Stimulation of Peripheral Axons.- 4. Determination of Tissue Impedances of the Inner Ear: Models and Measurements.- 5. Models of Neural Responsiveness to Electrical Stimulation.- 6. Observations on Current Pathways in the Cochlea and Their Computer Modeling.- 7. Session I: General Discussion.- II Neural/Behavioral Models Moderator: Guido F. Smoorenburg Discussion Leader: Josef M. Miller.- 8. Physical versus Perceptual Dimensions in Cochlear Implants.- 9. Reproducing Auditory Nerve Temporal Patterns with Sharply Resonant Filters.- 10. Response Characteristics of Nerve Fibers to Patterned Electrical Stimulation.- 11. Psychophysical Constraints on Biophysical/Neural Models of Threshold.- 12. A Model of Temporal Integration and Forward Masking for Electrical Stimulation of the Auditory Nerve.- 13. Interim Thoughts on Cochlear Tissues, Neural/Behavioral Models, and Encoding.- 14. Session II: General Discussion.- III Encoding Schemes-Perspectives and Challenges Moderator: Murray B. Sachs Discussion Leader: William M. Rabinowitz.- 15. Processing Rate Representation of Complex Stimuli in the Anteroventral Cochlear Nucleus.- 16. Neural Processing of Complex Electric and Acoustic Stimuli.- 17. Acoustic and Electrical Encoding of Temporal Information.- 18. Theories of Speech Perception as Guides to Neural Mechanisms.- 19. Fundamental Limitations on Sensory Encoding of Electrical Stimulation.- 20. Psychophysical and Speech Perceptual Studies on Cochlear Implant Patients.- 21. Representations of Speech Features with Cochlear Implants.- 22. Perceptual Evaluationof a Neurally Based Encoding Strategy for Cochlear Implants.- 23. Encoding Schemes-Perspectives and Challenges.- 24. Session III: General Discussion.- 25. Fundamental Research for Development of Cochlear Prostheses....

Sommaire:
This volume describes a new direction in technological and biomedical developments for profoundly deaf individuals. The first section covers topics of tissue characteristics, such as responses to electrical stimulation and computer modelling of cochlea currents. Perception of acoustic signals, responses and behavioral pattern as well as psychophysical aspects are treated in the second part. Part III is addressed to perspectives and challenges of encoding schemes. Reports on studies of acoustic and electrical encoding of temporal information, speech features with cochlear implants as well as psychophysical and speech perceptual studies will allow further strategies for cochlea implants....