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Complex motor representations may not be preserved after complete spinal cord injury
Umeå University, Faculty of Social Sciences, Centre for Population Studies (CPS). Umeå University, Faculty of Medicine, Umeå Centre for Functional Brain Imaging (UFBI). (Ageing and Living Conditions Programme)ORCID iD: 0000-0002-4458-6475
2012 (English)In: Experimental Neurology, ISSN 0014-4886, E-ISSN 1090-2430, Vol. 236, no 1, 46-49 p.Article in journal (Refereed) Published
Abstract [en]

When using motor imagery to improve rehabilitation after spinal cord injury it is assumed that the motor representations are preserved and that task specific physical training is not necessary. Here I tested this hypothesis by examining P.W. who has a complete spinal cord injury due to an accident. However, P.W. was an elite wheelchair athlete, hence, has experienced a high load of physical training in general. During functional magnetic resonance imaging (fMRI). P.W. imagined wheelchair slalom (a complex motor task P.W. can perform) and stair walking (a complex motor task P.W. no longer can perform). A control group of neurologically intact participants were also included. The results showed that only for the task (wheelchair slalom) P.W. currently could physically perform was the pre-motor cortex recruited. For stair walking P.W. recruited inferior frontal cortex and parietal cortex. The results were confirmed with the control group showing similar pattern but for the opposite tasks. The conclusions from this study are that complex motor representations may not be preserved after a complete spinal cord injury and motor imagery is dependent on the current ability to perform the task physically. (C) 2012 Elsevier Inc. All rights reserved.

Place, publisher, year, edition, pages
2012. Vol. 236, no 1, 46-49 p.
Keyword [en]
Motor representations, Motor imagery, fMRI, Spinal cord injury
National Category
Medical and Health Sciences
URN: urn:nbn:se:umu:diva-57646DOI: 10.1016/j.expneurol.2012.03.022ISI: 000305306100006OAI: diva2:543654
Available from: 2012-08-09 Created: 2012-08-08 Last updated: 2015-10-08Bibliographically approved

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Olsson, Carl-Johan
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Centre for Population Studies (CPS)Umeå Centre for Functional Brain Imaging (UFBI)
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