Gender Identity Disorder
Gender Identity Disorder Kenneth J. Zucker Gender Identity Disorder Definition At a nascent cognitive level, gender identity has been defined as a child’s recognition that he or she is a…
PSYCHIATRY
Elimination Disorders: Enuresis and Encopresis
Elimination Disorders: Enuresis and Encopresis Edwin J. Mikkelsen Enuresis Definition and Historical Note Enuresis is subclassified into two subtypes, primary and secondary. Primary enuresis encompasses children who have never achieved…
Delirium and Catatonia
Delirium and Catatonia Daniel T. Williams With a growing level of sophistication in recent years, we have come to appreciate important neurophysiological substrates of central nervous system dysfunction inherent in…
Somatoform Disorders
Somatoform Disorders John V. Campo Gregory K. Fritz The biomedical model central to many of the triumphs of Western medicine maintains that the subjective suffering of our patients, most commonly…
Sleep Disorders
Sleep Disorders Thomas F. Anders Introduction Our understanding of clinical sleep disorders has advanced significantly since the 1950s, when polysomnographic (PSG) recordings first described the rapid eye movement (REM) and…
Substance Use Disorders
Substance Use Disorders Christian Hopfer Paula Riggs Definition Substance use disorders (SUDs) encompass two major categories: substance abuse (SA) and substance dependence (SD). In addition, there are intoxication and withdrawal…
Anorexia Nervosa and Bulimia Nervosa
Anorexia Nervosa and Bulimia Nervosa Katherine A. Halmi Definition Anorexia nervosa and bulimia nervosa are the two major eating disorders. They are complex syndromes with considerable psychiatric and medical comorbidities….
Eating and Growth Disorders in Infants and Children
Eating and Growth Disorders in Infants and Children Joseph L. Woolston Sharon M. Hasbani Although eating disorders are frequently assumed to be synonymous with adolescent-onset anorexia and bulimia nervosa, a…
Tic Disorders
Tic Disorders Michael H. Bloch James F. Leckman, M.D Tic disorders are transient or chronic conditions associated with difficulties in self-esteem, family life, social acceptance or school or job performance…
