1. The Experience of Anxiety: Shadow of Intelligence or Specter of Death? 2. Fear, Anxiety, and Theories of Emotion 3. The Nature of Anxious Apprehension 4. The Phenomenon of Panic 5. Provoking Panic in the Laboratory 6. Biological Aspects of Anxiety and Panic 7. True Alarms, False Alarms, and Learned (Conditioned) Anxiety: The Origins of Panic and Phobia 8. The Origins of Anxious Apprehension, Anxiety Disorders, and Related Emotional Disorders: Triple Vulnerabilities 9. Classification of Anxiety Disorders Timothy A. Brown, David H. Barlow 10. Panic Disorder Kamila S. White, David H. Barlow 11. Specific Phobias Martin M. Antony, David H. Barlow 12. Posttraumatic Stress Disorder Terence M. Keane, David H. Barlow 13. Social Phobia (Social Anxiety Disorder) Stefan G. Hofmann, David H. Barlow 14. Generalized Anxiety Disorder Lizabeth Roemer, Susan M. Orsillo, David H. Barlow 15. Obsessive-Compulsive Disorder Gail Steketee, David H. Barlow