Patients with intellectual disability (ID) can benefit from the full range of mental health services. Patients with intellectual disability (ID) can benefit from the full range of mental health services. To ensure that psychiatric assessment, diagnosis and treatment interventions are relevant and effective; individuals with ID should be evaluated and treated within the context of their developmental framework. Dedications viiEditor biographies ixList of contributors xiList of abbreviations xiiiForeword xv1 Overview 1Allison E. Cowan, MD and Julie P. Gentile, MD2 Psychiatric Assessment 14Ann K. Morrison, MD and Paulette Marie Gillig, MD, PhD3 Medical Assessment 26Julie P. Gentile, MD and Michelle A. Monro, DO4 Neurologic Conditions 51Paulette Marie Gillig, MD, PhD and Richard Sanders, MD5 Traumatic Brain Injuries and Co-occurring Mental Illness 75Gretchen N. Foley, MD6 Interviewing Techniques 90Julie P. Gentile, MD and Paulette Marie Gillig, MD, PhD7 Mood Disorders 125Ann K. Morrison, MD and Christina Weston, MD8 Anxiety Disorders 146Kelly M. Blankenship, MD9 Psychotic Disorders 161Allison E. Cowan, MD10 Personality Disorders 191Julie P. Gentile, MD and Allison E. Cowan, MD11 Aggression 210Julie P. Gentile, MD and Paulette Marie Gillig, MD, PhD12 Psychotropic Medications 250Christopher T. Manetta, DO and Julie P. Gentile, MD13 Psychotherapy 278Carroll S. Jackson, LISW-S and Julie P. Gentile, MD14 Behavioral Assessment and Interventions 309Betsey A. Benson, PhD15 Legal Issues for Treatment Providers and Evaluators 325Jeannette Cox, JD16 Syndromes of Intellectual Disability 338Kelly M. Blankenship, MD and Christina Weston, MDIndex 366