Dr Kieron O'Connor is currently the Director of the Centre for Research on Tic and Obsessional Disorders at the Fernand Seguin Research Center, Louis H. Lafontaine hospital affiliated with University of Montreal. He is also affiliated with the University of Quebec in Outaouais. His research focuses on improving understanding and treatment of people suffering from obsessive-compulsive spectrum and related disorders. The current IBT program is a product of this research. Dr O'Connor's publications include Behavioural Management of Tic Disorders (Wiley, 2005), and Beyond Reasonable Doubt: Reasoning Process in Obsessive Compulsive Disorder (with F. Aardema & M. C. Pélissier; Wiley, 2005).

Dr Frederick Aardema is a Clinical Researcher at the Fernand Seguin Research Center, Louis H. Lafontaine hospital affiliated with the University of Montreal. He played a vital role in the development of the inference based approach to the treatment of OCD and his work on reasoning led to the development of an innovative theoretical approach to pure obsessional ruminations. Dr Aardema has published widely on obsessive-compulsive and related disorders. His books include Beyond Reasonable Doubt: Reasoning Process in Obsessive Compulsive Disorder (with K. P. O'Connor & M. C. Pélissier, Wiley, 2005).

List of Cartoons vii

About the Authors ix

Acknowledgements xi

Introduction xiii

Chapter One: Overview of the IBT Programme 1

Chapter Two: IBT: Evaluation Tools 9

Part I: Education and Foundation 21

Chapter Three: When OCD Begins 23

Chapter Four: The 'Logic' behind OCD 43

Chapter Five: The Obsessional Story 57

Chapter Six: The Vulnerable Self-Theme 73

Part II: Intervention 89

Chapter Seven: OCD Doubt is 100% Imaginary 91

Chapter Eight: OCD Doubt is 100% Irrelevant 115

Chapter Nine: The OCD Bubble 129

Chapter Ten: Reality Sensing 143

Part III: Consolidation 157

Chapter Eleven: A Different Story 159

Chapter Twelve: Tricks and Cheats of the OCD Con Artist 175

Chapter Thirteen: The Real Self 189

Chapter Fourteen: Knowing and Doing: Moving On and Preventing Relapse 205

Chapter Fifteen: Trouble-Shooting 221

Case Illustrations 231

Case Illustrations: Clinical Data 257

Answers to Common Queries from Clients 277

Therapist Queries 283

Quiz Answers Sheet 289

Appendix 1: Inferential Confusion Questionnaire (ICQ-EV) 291

Appendix 2: IBT Clinical Scales 293

Appendix 3: Therapy Evaluation Form and Scale 299

Appendix 4: Avoidance and Situational Profile Scale 307

Appendix 5: Diary 311

Bibliography: Key IBA Publications and Other References 321

Index 325