This condition is characterized by physical signs and symptoms of parenchymatous syphilis of the nervous system, and usually by positive serology, including the paretic gold curve in the spinal fluid. The condition may simulate any of the other psychoses and brain syndromes. If the impairment is not of psychotic proportion it is classified Non-psychotic OBS with intracranial infection. If the specific underlying physical condition is known, indicate it with a separate, additional diagnosis.
As of DSM-III, this disorder is no longer part of the DSM.