Objective measures in cochlear implants

書誌事項

Objective measures in cochlear implants

Michelle L. Hughes

(Core clinical concepts in audiology / series editor, Brad Stach, . Cochlear implants)

Plural Pub., c2013

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注記

Includes bibliographical references (p. [151]-160) and index

内容説明・目次

内容説明

Clinically-oriented, Objective Measures in Cochlear Implants begins with a clear description of the underlying basic science and signal characteristics of objective measures made with cochlear implants. Divided into three parts, this book covers basic science, non-physiological objective measures, and physiological measures. There are very few books about evoked potentials and objective measures in cochlear implants, making this a great resource for audiology graduate students or seasoned audiologists with little cochlear implant experience.

目次

Foreword by Series Editors Terry Zwolan and Jace Wolfe vii Preface ix Acknowledgments x About the Author xi PART I. LAYING THE FOUNDATION 1 1 The Basics of a Cochlear Implant 3 Introduction 3 Anatomy of Severe to Profound Hearing Loss 4 Basic Principles of Electrical Stimulation of the Auditory System 7 Basic Parts and Functions of a Cochlear Implant 8 Past and Present Devices 12 Candidacy 27 2 Signal Delivery 31 Channels Versus Electrodes 31 Signal Type 34 Stimulus Timing 36 Electrode Configuration 37 Electrode Design 40 Summary 41 PART II. NONPHYSIOLOGICAL OBJECTIVE MEASURES 43 3 Electrode Impedance 45 Introduction 45 The Basics of Electrode Impedance 45 How Impedance Is Measured Clinically 54 Clinical Uses for Impedance Measures 62 Summary 64 4 Electrical Field Potentials 67 Basic Description 67 Measurement 69 Clinical Uses for Electrical Field Potentials 69 Summary 72 5 Averaged Electrode Voltages 75 Basic Description 75 Measurement 75 Factors Affecting AEV Measures 78 Typical Patterns 78 Atypical Patterns 84 Clinical Uses for AEVs 86 Summary 90 PART III. PHYSIOLOGICAL OBJECTIVE MEASURES 91 6 Electrically Evoked Stapedial Reflexes 93 Introduction to Physiological Objective Measures 93 Basic Description 93 Measurement 94 Clinical Uses for ESRTs 95 Summary 98 7 Electrically Evoked Compound Action Potential 101 Basic Description 101 Measurement 102 Clinical Uses for ECAPs 118 Summary 121 8 Electrically Evoked Auditory Brainstem Response 123 Basic Description 123 Measurement 124 Clinical Uses for EABRs 130 Summary 131 9 Electrically Evoked Auditory Middle Latency Response 133 Basic Description 133 Measurement 135 Clinical Uses for EAMLRs 136 Summary 136 10 Electrically Evoked Auditory Cortical Potentials 139 Introduction 139 Electrically Evoked Auditory Late Response 140 Electrically Evoked Acoustic Change Complex 144 Mismatch Negativity 146 P300 Response 148 Summary 149 References 151 Index 161

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