In dsm-iv-tr, the full title for this section is “disorders usually first diagnosed in infancy, childhood, or adolescence.” Included are attention-deficit and disruptive behavior disorders, communication disorders, elimination disorders, feeding and eating disorders of infancy or early childhood, intellectual disability, learning disorders, motor skills disorder, pervasive developmental disorders, reactive attachment disorder, selective mutism, separation anxiety disorder, stereotypic movement disorder, and tic disorders.