Diseases of the nervous system in infancy and childhood have a profound impact on the lives of patients and their families and are probably the most disruptive of all paediatric ailments. A sub-section of the complete work, now available separately, Part 11 covers 'Developmental and Neuropsychiatric Disorders of Childhood'. This includes normal/delayed/disordered development; autism and autism-like conditions; attention deficit hyperactivity disorder and coexisting impairments.