1 Introductory matters: what is our aim?.- 2 Infants at risk.- 3 The nature of sound.- 4 A physician's revision of the anatomy of the ear.- 5 When and where?.- 6 Situations for testing.- 7 Taking a history and its importance.- 8 Methods of testing hearing: (a) Distraction techniques.- 9 Methods of testing hearing: (b) Cooperative tests involving speech (c) Conditioning techniques.- 10 Use of the pure tone audiometer.- 11 Causes of hearing loss: (a) Genetic causes.- 12 Causes of hearing loss: (b) Other causes.- 13 The treatment of sensorineural hearing loss: (a) Amplification.- 14 The treatment of sensorineural hearing loss: (b) Auditory training and special education.- 15 Problems of the middle ear.- 16 Deafness associated with mental handicap.- 17 Objective hearing tests.- 18 The deaf child and his family.- Appendix 1: Apparatus.- Appendix 2: Useful addresses.