Chapter Outline

INTRODUCTION
BASIC ANATOMY AND PHYSIOLOGY
Peripheral Auditory System
Central Auditory System
Brainstem and auditory pathways
TYPES OF HEARING LOSS
Conductive Hearing Loss
Sensorineural Hearing Loss
Mixed Hearing Loss
SENSORY VERSUS NEURAL LESIONS
CENTRAL AUDITORY DISORDERS
Hemispheric Lesions
Auditory agnosia
Cortical deafness
Auditory sensory disturbances
Brainstem Lesions
TINNITUS
Classification of Tinnitus
Subjective tinnitus
Objective tinnitus
EXAMINATION OF AUDITORY FUNCTION
Basic Office Examination of Hearing
Weber test
Rinne
Laboratory Examination of Auditory Function
Pure tone audiometry
Speech reception threshold
Speech discrimination
Immittance test battery
Brainstem Auditory Evoked Potentials
Electrocochleography
THERAPY FOR AUDITORY DISORDERS
Amplification
Cochlear implantation
MANAGEMENT OF TINNITUS
Masking
Biofeedback
Counseling
BIBLIOGRAPHY