Does implicit learning in non-demented Parkinson's disease depend on the level of cognitive functioning?

Brain and Cognition
Jochen VandenbosscheEric Kerckhofs

Abstract

We investigated the influence of the level of cognitive functioning on sequence-specific learning in Parkinson's disease (PD). This was done by examining the relationship between the scales for outcomes in Parkinson's disease-cognition [SCOPA-COG, Marinus, J., Visser, M., Verwey, N. A., Verhey, F. R. J., Middelkoop, H. A. M.,Stiggelbout, A., et al. (2003). Assessment of cognition in Parkinson's disease. Neurology, 61, 1222-1228] and the serial reaction time (SRT) task [Nissen, M. J., & Bullemer, P. T. (1987). Attentional requirements for learning: Evidence from performance measures. Cognitive Psychology, 19, 1-32] in a homogeneous sample, consisting of 25 PD patients diagnosed in Stage 3 of the Hoehn and Yahr [Hoehn, M. M., & Yahr, M. D. (1967). Parkinsonism: onset, progression, and mortality. Neurology, 17, 427-442] scale. Six patients in the low scoring cognitive group, 11 patients in the average scoring and eight patients in the high scoring group, conducted a SRT task with a deterministic sequence. Sequence-specific learning was assessed by inserting a random block to determine whether the acquisition of sequence movements differed between groups. Our results indicate an association between cognitive functioning in PD patie...Continue Reading

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Citations

Jan 19, 2013·Journal of Neural Transmission·Elke HeremansS Vercruysse
Jan 23, 2010·Neurotoxicity Research·Moritz Thede EckartRainer K -W Schwarting
Sep 26, 2015·Journal of Parkinson's Disease·Heather A HayesLeland E Dibble
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Dec 12, 2018·Journal of Neurologic Physical Therapy : JNPT·Carolien StrouwenElke Heremans
Nov 9, 2018·Frontiers in Aging Neuroscience·Simon SteibKlaus Pfeifer

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