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Title of Journal: Exp Brain Res

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Abbravation: Experimental Brain Research

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Springer-Verlag

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DOI

10.1007/bf02626306

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1432-1106

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Hippocampal contribution to early and later stages

Authors: Freja Gheysen Filip Van Opstal Chantal Roggeman Hilde Van Waelvelde Wim Fias
Publish Date: 2010/02/27
Volume: 202, Issue: 4, Pages: 795-807
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Abstract

Implicit motor sequence learning refers to an important human ability to acquire new motor skills through the repeated performance of a motor sequence This learning process is characterized by slow incremental gains of motor performance The present fMRI study was developed to better delineate the areas supporting these temporal dynamics of learning By using the serial color matching paradigm our study focused on the motor level of sequence learning and tracked the time course of learningrelated neural changes Imaging results showed a significant contribution of the left anterior hippocampus in an early sequence acquisition stage first scanning session as well as during a later stage with stabilized learning effects second scanning session Hippocampal activation significantly correlated with the behavioral learning process and was affected by a change of the motor sequence These results suggest a strong involvement of the hippocampus in implicit motor sequence learning On the other hand a very extensive and bilateral neural network of parietal temporal and frontal cortical areas including SMA preSMA together with parts of the cerebellum and striatum were found to play a role during random visuomotor task performanceThis work was supported by grant P6/29 from Interuniversitary Attraction Poles program of the Belgian federal government The first author was supported by a grant from the Research Council of Ghent University The second author is a Postdoctoral fellow of the Research Foundation—Flanders FWO—Vlaanderen We wish to thank Seppe Santens and Michael Stevens for their assistance in programming the experiment

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