Abstract
Cognitive disturbances are integral to the course of PD but the rate of cognitive decline remains largely unpredictable. The aim of this study was to determine the clinical features associated with “cognitive stability”. Fifty-four patients (32 with normal cognition and 22 featuring MCI) were recruited in 2009 and re-evaluated after a mean time of 4.7 years; all patients underwent a detailed neuropsychological and clinical evaluation. A proportion of 61 % of patients (19 with normal cognition and 14 with MCI) remained cognitive stable, whereas 39 % had reduced cognitive reserve. After multivariate analysis, only the preservation of visuo-spatial domain was predictive of cognitive stability.
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Di Battista, M.E., Rubino, A., Valente, M. et al. Is cognitive stability in Parkinson’s disease a predictable phenomenon? A 5-year follow-up study. J Neural Transm 122, 1703–1706 (2015). https://doi.org/10.1007/s00702-015-1440-2
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DOI: https://doi.org/10.1007/s00702-015-1440-2