Abstract
Neuropsychiatric symptoms occur frequently in Parkinson's disease (PD) patients. Pharmacological treatment of the psychiatric symptoms has been found to be inadequate. Cognitive behavior therapy (CBT) is an evidence based form of psychotherapy that is effective in treating a number of psychiatric disorders. In this article we examine the evidence of CBT in treating common psychiatric symptoms seen in PD patients, namely depression, anxiety, insomnia and impulse control behaviors. Most of the studies adapted CBT to address PD related concerns. Caregivers were frequently part of the CBT programs. Among the studies reviewed, randomized controlled trials showed significant effects in treating depression with CBT in PD patients. Studies have also provided preliminary data for effects of CBT on anxiety, impulse-control behaviors and insomnia. There is a need for more well designed studies with sufficient power for CBT to be established as a useful non-pharmacological treatment for psychiatric symptoms in PD.
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