PICCO , Agnese

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Several non motor symptoms (NMS) can precede the onset of the classical motor Parkinson's disease (PD) syndrome. The existence of pre-motor and even pre-clinical PD stages has been proposed but the best target population to be screened to disclose PD patients in a pre-clinical, thus asymptomatic, stage is still matter of debate. The REM sleep...

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Subtle cognitive impairment can be detected in early Parkinson's disease (PD). In a consecutive series of de novo, drug-naive PD patients, we applied stepwise regression analysis to assess which clinical, neuropsychological, and functional neuroimaging (dopamine transporter [DAT] and perfusion single photon emission computed tomography [SPECT])...

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Cognitive impairment is a frequent and disabling feature of Parkinson's disease. Identifying the factors able to predict cognitive worsening since the early stage may improve disease management. The objective of this study was to define the best predictors of future cognitive worsening in a group of patients with newly diagnosed PD and to...

PURPOSE: The role of mesocortical dopaminergic pathways in the cognitive function of patients with early Parkinson's disease (PD) needs to be further clarified. METHODS: The study groups comprised 15 drug-naive patients with de novo PD and 10 patients with essential tremor (controls) who underwent 18F-DOPA PET (static acquisition,...

The clinical construct of mild cognitive impairment (MCI) identifies a syndrome of cognitive deficit which is not significant enough to interfere with daily activities, whose fate is unpredictable without establishing the underlying cause. Thus, MCI, though being the natural "reservoir" of subsequent dementing neurodegenerative diseases, can be...