This is a thoroughly revised, expanded and updated new edition, giving a comprehensive, cross-disciplinary overview of challenging behaviour.

This Second Edition updates and expands on the original editorial content and coverage, including new chapters on definitions and rationale, a general overview,

Brain disordersâ€"neurological, psychiatric, and developmentalâ€"now affect at least 250 million people in the developing world, and this number is expect

The diagnosis and treatment of persons with severe intellectual disabilities who have mental health disorders,often manifested by challenging behaviours has oft

Children living in poverty are more likely to have mental health problems, and their conditions are more likely to be severe. Of the approximately 1.3 million c