1. Mental Disorders as Discrete Clinical Conditions: Dimensional versus Categorical Classification / Thomas A. Widiger -- 2. Structured Interviewing and DSM Classification / Daniel L. Segal -- 3. Genetic Basis and Psychopathology / Svenn Torgersen -- 4. Delirium, Dementia, and Amnestic and Other Cognitive Disorders / Gerald Goldstein -- 5. Substance-Related Disorders: Alcohol / Linda C. Sobell, F. Curtis Breslin and Mark B. Sobell -- 6. Psychoactive Substance Use Disorders: Drugs / Jesse B. Milby, Joseph E. Schumacher and Robert D. Stainback -- 7. Schizophrenia / Kim T. Mueser -- 8. Mood Disorders: Depressive Disorders / Patricia A. Arean, John McQuaid and Ricardo F. Munoz -- 9. Mood Disorders: Bipolar Disorders / Barbara M. Rohland, George Winokur and Brian L. Cook -- 10. Anxiety Disorders / Deborah C. Beidel and Samuel M. Turner -- 11. Somatoform Disorders / Laurence J. Kirmayer and Suzanne Taillefer -- 12. Dissociative Disorders: Phantoms of the Self / Etzel Cardena -- 13. Sexual and Gender Identity Disorders / Nathaniel McConaghy -- 14. Eating Disorders / Bill N. Kinder -- 15. Sleep Disorders: Evaluation and Diagnosis / Charles M. Morin and Jack D. Edinger -- 16. Personality Disorders / W. L. Marshall and R. Serin -- 17. Motor Activity and DSM-IV / Warren W. Tryon -- 18. DSM-IV and Multidimensional Assessment Strategies / Ronald Acierno, Michel Hersen and Vincent B. Van Hasselt.