Anxiety-based disorders are among the most common mental health problems experienced in the population today. Worry is an important feature of most anxiety disorders, in particular Generalized Anxiety Disorders (GAD), phobias, obsessive compulsive disorder (OCD), panic disorder and post-traumatic stress disorder (PTSD).

About the Editors ix List of Contributors xi Preface xv Part I The Nature of Worry Chapter 1 The Epidemiology of Worry and Generalized Anxiety Disorder 3Robert M. Holaway, Thomas L. Rodebaugh, and Richard G. Heimberg Chapter 2 Worry and Rumination: Styles of Persistent Negative Thinking in Anxiety and Depression 21Costas Papageorgiou Chapter 3 Worry in Psychopathology 41Christine Purdon and Jennifer Harrington Chapter 4 Worry and Information-processing 51Gerald Matthews and Gregory J. Funke Chapter 5 Worry in Older Adults 69Julie L. Wetherell Chapter 6 Worry in Childhood and Adolescence 81Sam Cartwright-Hatton Part II The Assessment of Worry Chapter 7 The Penn State Worry Questionnaire (PSWQ) 101Helen M. Startup and Thane M. Erickson Chapter 8 The Anxious Thoughts Inventory and Related Measures of Metacognition and Worry 121Adrian Wells Chapter 9 Assessment of Generalized Anxiety Disorder 137Cynthia L. Turk and Andrew T. Wolanin Chapter 10 The Catastrophising Interview Procedure 157Graham C.L. Davey Part III Theories of Chronic and Pathological Worry Chapter 11 The Metacognitive Model of Worry and Generalised Anxiety Disorder 179Adrian Wells Chapter 12 A Cognitive Model of Generalized Anxiety Disorder: The Role of Intolerance of Uncertainty 201Naomi Koerner and Michel J. Dugas Chapter 13 A Mood-As-Input Account of Perseverative Worrying 217Graham C.L. Davey Chapter 14 The Cognitive Avoidance Theory of Worry 239Nicholas J. Sibrava and T.D. Borkovec Part IV Treatment Methods Chapter 15 Metacognitive Therapy for Worry and Generalised Anxiety Disorder 259Adrian Wells Chapter 16 Applied Relaxation and Cognitive Therapy for Pathological Worry and Generalized Anxiety Disorder 273T.D. Borkovec Chapter 17 A Cognitive-Behavioral Treatment Targeting Intolerance of Uncertainty 289Melisa Robichaud and Michel J. Dugas Chapter 18 Pharmacological Treatments for Worry: Focus on Generalised Anxiety Disorder 305Ian M. Anderson and Marisha E. Palm Chapter 19 Case Histories: Treating Worry Across Disorders 335Paul King Chapter 20 The Efficacy of Psychological Treatments for Generalised Anxiety Disorder? 359Peter L. Fisher Chapter 21 Predictors of Treatment Outcome 379Robert C. Durham Index 399

Anxiety-based disorders are among the most common mental health problems experienced in the population today. Worry is a prominent feature of most anxiety-based disorders including generalized anxiety disorder, specific phobias, obsessive-compulsive disorder, panic disorder, and post-traumatic stress disorder. Written by international experts, Worry and its Psychological Disorders offers an up-to-date and complete overview of worry in a single volume. Divided into four sections, the book explores the nature of worry, the assessment of worry, contemporary theories of chronic and pathological worry, and the most recently developed treatment methods. It includes in-depth reviews of new assessment instruments and covers treatment methods such as Cognitive Behavioural Therapy and Metacognitive Therapy. Useful case studies are also included. This important volume provides an invaluable resource for clinical practitioners and researchers. It will also be of relevance to those studying clinical or abnormal psychology at advanced level.