Effect of long-term paired associative stimulation on the modulation of cortical sensorimotor oscillations after spinal cord injury
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2022-04-05
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en
Pages
8
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Spinal Cord Series and Cases, Volume 8, issue 1, pp. 1-8
Abstract
Study design: A prospective interventional case series. Objectives: To explore changes in the modulation of cortical sensorimotor oscillations after long-term paired associative stimulation (PAS) in participants with spinal cord injury (SCI). Setting: BioMag Laboratory, HUS Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. Methods: Five patients with chronic incomplete SCI received unilateral spinal PAS to upper limb for 16–22 days. Changes in the modulation of sensorimotor oscillations in response to tactile stimulus and active and imaginary hand movements were assessed with magnetoencephalography recorded before and after the intervention. Results: PAS restored the modulation of sensorimotor oscillations in response to active hand movement in four patients, whereas the modulation following tactile stimulation remained unaltered. The observed change was larger in the hemisphere that received PAS and preceded the clinical effect of the intervention. Conclusions: Long-term spinal PAS treatment, which enhances the motor functions of SCI patients, also restores the modulation of cortical sensorimotor oscillations.Description
Funding Information: The study was supported by state funding for university-level health research, the Finnish Cultural Foundation and the Academy of Finland. Open Access funding provided by University of Helsinki including Helsinki University Central Hospital. Publisher Copyright: © 2022, The Author(s).
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Vanhanen, J, Parkkonen, L, Mäkelä, J P, Tolmacheva, A, Shulga, A, Rodionov, A & Kirveskari, E 2022, ' Effect of long-term paired associative stimulation on the modulation of cortical sensorimotor oscillations after spinal cord injury ', Spinal Cord Series and Cases, vol. 8, no. 1, 38, pp. 1-8 . https://doi.org/10.1038/s41394-022-00506-w