Attention-deficit/hyperactivity disorder (ADHD) in adults is a common-and, frequently undiagnosed-psychiatric disorder. This article will focus on the symptoms, associated features, diagnosis, differential diagnosis, prevalence, etiology and treatment of this illness.
Since 1980, criteria for diagnosing bipolar disorder in adults have also been used to diagnose mania in children, with some modifications to adjust for age.
For clinicians, the assiduous and sustained resistance to change common in patients with narcissistic personality disorder (NPD) has been especially noticeable and trying. However, until recently the natural course of NPD has not received much attention in the clinical and empirical literature, and there is very little documented knowledge about the factors that might contribute to changes.
Personality disorders are characterized by the presence of inflexible and maladaptive patterns of perceiving oneself and relating to the environment that result in psychosocial impairment or subjective distress. The enduring nature of the behaviors, their impact on social functioning, the lack of clear boundaries between normality and illness, and the patient's perception of the symptoms as not being foreign make this group of conditions more difficult to conceptualize than the more typical, episodic mental disorders.
Psychopathy (renamed antisocial personality disorder) is marked by persistent violations of social norms, including lying, stealing, truancy, inconsistent work behavior and traffic arrests.
Temporal lobe epilepsy (TLE), now more commonly called complexpartial seizure disorder so as to include seizures that originatein the frontal foci, straddles the borderland between psychiatryand neurology.
Sleep disorders and substance abuse disorders are widespread acrossthe United States, researchers have found. According to the NationalCommission on Sleep Disorders Research, more than 80 million Americanscomplain of sleep difficulties, while Schuckit and Irwin reportedthe lifetime prevalence of alcohol abuse or dependence to be 13percent and nonalcohol drug abuse, 5.9 percent.
Dopamine plays an important role in controlling movement, emotion and cognition. Dopaminergic dysfunction has been implicated in the pathophysiology of schizophrenia, mood disorders, attention-deficit disorder, Tourette's syndrome, substance dependency, tardive dyskinesia, Parkinson's disease and other disorders.
