M. Kumara-samy Raja

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Among 30 Parkinson's disease patients who received high frequency stimulation of the subthalamic nucleus, 5 developed remarkable disorders of mood or sexual behavior after the implant. We describe 2 men who developed mania and hypersexuality a few days after the implant that lasted for some months and then gradually disappeared spontaneously.
OBJECTIVE The aim of the present study was to find out the extent of hostility and violence and the factors that are associated with such hostility and violence in a psychiatric intensive care unit. METHODS Retrospective analysis of data prospectively collected in a 6-year period. RESULTS No hostility was observed in 56.1%, hostility in 40.9%, and(More)
The relationship between Asperger syndrome (AS) and schizophrenia is still unclear. An unanswered question is, do hallucinations or delusions per se justify a diagnosis of schizophrenia when these symptoms appear in subjects with AS? The aims of the present study were: (1) to review the characteristics of thought disorder in AS and schizophrenia; (2) to(More)
In a population of 200 consecutive inpatients with a history of at least 3 months' total cumulative neuroleptic exposure, the prevalence of tardive dystonia (TDt) was 4%, higher than previously reported. The prevalence of tardive dyskinesia (TDk) was 22%. Patients with TDt did not differ in demographic or clinical variables from nondyskinetic patients. In(More)
Impulsive and compulsive behaviors, including pathologic gambling, hypersexuality, compulsive shopping, compulsive eating, excessive engagement in hobbies, punding, and Dopamine Dysregulation Syndrome (DDS), are increasingly reported serious side-effects of dopaminergic medication, used in the treatment of Parkinson's Disease (PD) and other disorders.(More)
The aim of this observational study was to assess the rates of aggressive and violent behavior in patients admitted to an Italian emergency psychiatric unit and to explore possible risk factors for patient violence. In a population of 313 consecutive patients, we considered aggressive or violent behavior, rated according to a hierarchy from no aggressive(More)