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• W4241665189 abstract "Event Abstract Back to Event TBI-induced alterations in brain activity: reduced neural activation during movement planning and increased activation during execution Jolien Gooijers1*, Iseult A. Beets1, Kurt Beeckmans2, Karla Michiels3 and Stephan P. Swinnen1 1 KU Leuven, Belgium 2 CEPOS, Belgium 3 UZ Leuven, Belgium For years following the insult, traumatic brain injury (TBI) patients experience persistent motor control problems, including bimanual coordination deficits. Previous studies revealed that TBI-induced bimanual coordination deficits are related to structural white and grey matter abnormalities. Changes in brain function related to motor performance in TBI, however, have remained understudied. Eighteen moderate-to-severe TBI patients and 26 healthy young adults performed a complex bimanual tracking task (BTT), divided into a planning and execution phase, and executed either in the presence (FB) or absence (NFB) of augmented visual feedback. The average target error on the BTT was higher for patients than controls and for NFB trials compared with FB trials. Brain activation differed between both groups and between FB versus NFB trials. More specifically, during the planning phase, reduced neural activation was found in frontal, parietal, occipital and subcortical areas in TBI patients relative to controls. During the execution phase, however, TBI patients demonstrated enhanced activity in multiple widespread clusters (left DLPFC, left cerebellum CRII, bilateral MTG, right CMA, right IPL, and right S1) compared with controls. Finally, the group x feedback interaction during the execution phase revealed that TBI patients demonstrated higher activation levels for FB than NFB trials in the bilateral primary motor areas and the left cerebellum V, whereas controls demonstrated the opposite activation pattern (i.e., increased activation during the NFB trials). Overall, these findings point towards poor motor planning in the TBI population in comparison to controls. Moreover, widespread neural overactivations in TBI patients during the execution phase, particularly in the presence of augmented visual feedback, point to more online (re)planning during actual task performance. Acknowledgements This work was supported by the Interuniversity Attraction Poles program of the the Belgian federal government [P7/11]. Additional support was provided by the Research Fund KU Leuven [OT/11/071] and FWO Vlaanderen [G.0721.12, G.A114.11]. JG is funded by the KU Leuven Research Fund [PDMK/14/165]. Keywords: fMRI, motor control, TBI, augmented visual feedback, movement planning Conference: 11th National Congress of the Belgian Society for Neuroscience, Mons, Belgium, 22 May - 22 May, 2015. Presentation Type: Oral or Poster presentation Topic: Neuroscience Citation: Gooijers J, Beets IA, Beeckmans K, Michiels K and Swinnen SP (2015). TBI-induced alterations in brain activity: reduced neural activation during movement planning and increased activation during execution. Front. Neurosci. Conference Abstract: 11th National Congress of the Belgian Society for Neuroscience. doi: 10.3389/conf.fnins.2015.89.00081 Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters. The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated. Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed. For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions. Received: 30 Apr 2015; Published Online: 05 May 2015. * Correspondence: Dr. Jolien Gooijers, KU Leuven, Leuven, Belgium, Jolien.Gooijers@faber.kuleuven.be Login Required This action requires you to be registered with Frontiers and logged in. To register or login click here. Abstract Info Abstract The Authors in Frontiers Jolien Gooijers Iseult A Beets Kurt Beeckmans Karla Michiels Stephan P Swinnen Google Jolien Gooijers Iseult A Beets Kurt Beeckmans Karla Michiels Stephan P Swinnen Google Scholar Jolien Gooijers Iseult A Beets Kurt Beeckmans Karla Michiels Stephan P Swinnen PubMed Jolien Gooijers Iseult A Beets Kurt Beeckmans Karla Michiels Stephan P Swinnen Related Article in Frontiers Google Scholar PubMed Abstract Close Back to top Javascript is disabled. Please enable Javascript in your browser settings in order to see all the content on this page." @default.
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• W4241665189 title "TBI-induced alterations in brain activity: reduced neural activation during movement planning and increased activation during execution" @default.
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