Deficit cognitivi e disturbi neuropsichiatrici nella Malattia di Parkinson: ambiti operativi dello psicologo - Cognitive dysfunctions and neuropsychiatric disorders in Parkinson’s disease: the role of the psychologist Patients with Parkinson’s disease (PD) present motor symptoms (bradykinesia, rigidity, resting tremors) and often non-motor symptoms, like cognitive impairments and neuropsychiatric disorders. This review takes in exam these non-motor symptoms, tracing the operative lines of the intervention of psychologists/neuropsychologists. Besides the evaluation of cognitive and affective states of PD patients, psychologists play also an important role during the screening and follow up phases of the deep brain stimulation surgical intervention, and then for the assessment of patient’ Quality of Life and caregiver burden. These operative fields are briefly reviewed. Key words: Parkinson disease, executive functions, dementia, cognitive impairments, neuropsychiatric impairments.