Hearing Science and Hearing Disorders

Preface

Editorial Note

List of Contributors

Hearing for Speech: The Information Transmitted in Normal and Impaired Speech

I. Introduction

II. What Forms Can Linquistically Relevant Information Take?

III. Articulatory and Acoustic Bases for Phonetic Contrasts

IV. Representations of Acoustic and Auditory Speech Patterns

V. Properties of Hearing Impairment Relevant to Speech Perception

VI. Division of Labour between Perception and Production for Efficient Speech Communication

VII. Speech Perception in Hearing Impaired Listeners

VIII. Concluding Summary

Hearing Disorders in the Population: First Phase Findings of the MRC National Study of Hearing

I. Introduction and Aims

II. The Design of the National Study of Hearing

III. Prevalence of Reported Auditory Impairment and Disability

IV. Relationship between Measured Audiological Impairment and Self-Reported Impairment

V. Prevalence of Types and Degrees of Auditory Impairment

VI. The Variation of Auditory Impairment and Disability with Age, Sex and Socioeconomic Group

VII. Hearing Aid Possession

VIII. Concluding Summary

Pathophysiology of the Peripheral Hearing Mechanism

I. Introduction

II. How are Sounds Analysed by the Ear?

III. The Ear as a Bank of Filters

IV. Animal Models of Deafness

V. Relevance to Understanding Hearing Loss in Patients

VI. Can We Put This New Understanding of the Pathophysiology of Hearing to Pratical Use?

VII. Other Aspects of Hearing Impairment: Animal Models of Tinnitus

VIII. Concluding Summary

The Scientific Basis for the Assessment of Hearing

I. Introduction

II. Classification of Hearing Disorders into Clinical Types

III. Historical Development of Hearing Assessment

IV. Basic Subjective Methods of Assessment

V. Basic Objective Methods of Hearing Assessment

VI. Diagnostic Determinants

VII. Assessment for Rehabilitation

VIII. Diagnosis versus Rehabilitation

IX. Concluding Summary

Audio-Visual Speech Perception, Lipreading and Artificial Stimulation

I. Possibilities and Limitations of Lipreading

II. Lipreading Consonants

III. Lipreading Vowels

IV. Lipreading Fluent Speech

V. Should "Lipreading" Be Taught?

VI. Sensory Substitution and Hearing; "Bionic Ears" or Aids to Lipreading?

VII. Concluding Summary

Speech Production in Profound Postlingual Deafness

I. Introduction - Recognition of the Problem

II. The Severity of the Problem

III. The Nature of Speech Deterioration

IV. Theoretical Issues

V. Concluding Summary

New and Old Conceptions of Hearing Aids

I. Introduction

II. The Disabling Aspects of Impairment

III. Effects of the Intensity of Speech

IV. Signal Processing to Enhance Speech Perception

V. Behavioural Factors in Relation to Aid Characteristics

VI. Concluding Summary

Rehabilitation and Service Needs

I. Introduction

II. General Description of an Ideal Service

III. Rehabilitation Services in Different Countries

IV. Cost Effectiveness

V. Possible Short-term Improvements

Glossary of Audiological Acoustical and Phonetic Terms

Index