An article in (ScienceDaily.com) reporting on personality disorders, stated, with no lab tests to guide the clinician, psychiatric diagnostics is challenging and controversial. Antisocial personality disorder is defined as “a pervasive pattern of disregard for, and violation of, the rights of others that begins in childhood or early adolescence and continues into adulthood,” according to the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) of the American Psychiatric Association.
DSM-IV provides formal diagnostic criteria for every psychiatric disorder. This process may be guided by rating scales that measure the traits and features associated with a personality disorder. But, until now, no one has studied the dimensional structure associated with the DSM antisocial personality disorder criteria.
Dr. Kenneth Kendler of Virginia Commonwealth University and colleagues examined questionnaire and genetic data from adult twins. They found that the DSM-IV criteria do not reflect a single dimension of liability but rather are influenced by two dimensions of genetic risk reflecting aggressive-disregard and disinhibition.
More on this article: ScienceDaily.com