Scientific interest in the nonmotoric symptoms of Parkinson's disease (PD) has increased dramatically, and psychiatric symptoms (e.g., cognitive impairment, anxiety and mood disorders) are now considered prime targets for treatment optimization. Psychiatric complications in PD are quite common, affecting as many as 60 to 80% of patients. This study describes the case of a 74 yearold male with PD who presented with complaints of anxiety and trouble with memory and attention. A combined cognitive behavior therapy and cognitive enhancement intervention was delivered in ten 90-to-120 minute sessions. The patient showed a reduction in anxiety symptoms that was of sufficient magnitude to meet criteria for 'responder' status. His cognitive skills were mostly unchanged, despite the rigorous rehabilitation practice. Implications for treatment and strategies for enhancing therapeutic benefits are discussed.

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