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2 Anatomy and Physiology of the Auditory System General Overview Hearing and its disorders are intimately intertwined with the anatomy and physiology of the auditory system, which is composed of…

1 Acoustics and Sound Measurement We begin our study of audiology by reviewing the nature of sound because, after all, sound is what we hear. The science of sound is…

17 Effects of Noise and Hearing Conservation This chapter is concerned with the branch of audiology that deals with the effects and ramifications of excessive sound exposure. Terms like noise…

7 Acoustic Immittance Assessment Immittance We learned in Chapter 1 that acoustic immittance is the general term used to describe the various aspects of acoustic impedance and admittance. Let us…

6 Auditory System and Related Disorders This chapter gives an overview of the disorders of the auditory system. We will address the nature of various pathologies, where and when they…

11 Physiological Methods in Audiology An important aspect of audiology deals with the use of physiological tests in addition to the use of behavioral measurements. Physiological measurements provide powerful diagnostic…

5 Pure Tone Audiometry Hearing Threshold We often conclude that someone has a hearing loss because we have to talk at a louder than normal level for that person to…

3 Measurement Principles and the Nature of Hearing Physical attributes such as a person’s height, body temperature, or blood sugar can be measured directly. This is not so for sensory…

8 Speech Audiometry As the principal avenue of human communication and interaction, it is clear that speech is the most important signal we hear. Consequently, the pure tone audiogram provides…

10 Behavioral Tests for Audiological Diagnosis This chapter deals to a large extent with behavioral tests used for identifying the anatomical location (“site”) of the abnormality (“lesion”) causing the patient’s…