Article (Scientific journals)
Impaired automatic and unconscious motor processes in Parkinson's disease
D'Ostilio, Kevin; CREMERS, Julien; DELVAUX, Valérie et al.
2013In Scientific Reports
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Abstract :
[en] While it is increasingly recognized that voluntary movements are produced by an interaction between conscious and unconscious processes, the role of the latter in Parkinson’s disease has received little attention to date. Here, we administered a subliminal masked prime task to 15 Parkinson’s disease patients and 15 age-matched healthy elderly subjects. Compatibility effects were examined by manipulating the direction of the arrows and the interstimuli interval. Analysis of the positive compatibility effect revealed performance differences between the most and the least affected hand in Parkinson’s disease patients. Additionally, patients did not show the same tendency toward a negative compatibility effect as compared to elderly controls. These novel findings provide evidence supporting the role of basal ganglia circuits in controlling the balance between automatic motor response facilitation and inhibition.
Disciplines :
Neurosciences & behavior
Neurology
Author, co-author :
D'Ostilio, Kevin ;  Université de Liège - ULiège > Centre de recherches du cyclotron
CREMERS, Julien ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
DELVAUX, Valérie ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
SADZOT, Bernard ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
Garraux, Gaëtan  ;  Université de Liège - ULiège > Département des sciences cliniques > Neurologie
Language :
English
Title :
Impaired automatic and unconscious motor processes in Parkinson's disease
Publication date :
June 2013
Journal title :
Scientific Reports
eISSN :
2045-2322
Publisher :
Nature Publishing Group, London, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 01 August 2013

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