List of Contributors. Part One: Clinical and Psychometric Descriptions 1. Approaches to Understanding Obsessional States H. R. Beech 2. The Natural History of Obsessional Neurosis Alan Black 3. The Clinical Problem Peter G. Mellett 4.

Psychometric Studies of Obsessional Illness and Obsessional Personality P. D. Slade . Part Two: Theory and Experiment 5. Toward a Theory of Obsessional Disorder H. R. Beech and J. Perigault 6.

Decision-Making, Mood States and Ritualistic Behaviour Among Obsessional Patients H. R. Beech and Andrée Liddell 7. Displacement Activity as a Form of Abnormal Behaviour in Animals H. C. Holland 8. Thinking and the Obsessional Fay Fransella 9. Learning Models of Obsessional-Compulsive Disorder John D.

Teasdale Part Three: Therapeutic Approaches 10. The Behavioural Treatment of Obsessive-Compulsive Disorders V. Meyer, R. Levy and A. Schnurer 11. Psychotherapy and Obsessional Disorders Robert Cawley 12. Physical Treatments in Obsessional Disorders M. Sternberg .

References. Index.