Background: The prevalence of psychiatric comorbidity in Parkinson's disease (PD) is about 50%.
Objective: The authors investigated differences among PD patients treated by deep brain stimulation (DBS), by drugs alone (noDBS), and healthy control subjects.
Method: Samples of 22 subjects in each group were assessed with the Temperament and Character Inventory (TCI) and Hamilton scales for anxiety and depression (Ham-A and Ham-D).
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