<qa>  What is the name of the Axis I or Axis II diagnosis?- Absence of any other Axis I or Axis II diagnosis Including bipolar disorder and current or lifetime history of alcohol or substance abuse or dependence. Particularly, subjects with a history of alcoholism and substance abuse will be excluded, since dopaminergic alterations have been reported in these conditions. Exclusion of patients with comorbid Axis I or Axis II diagnoses will be necessary as evidence exists of alteration in dopamine receptor density in detached personality and social phobia. The alteration of dopamine in the brain may in turn alter behavior. 