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Title: Which effects on neuroanatomy and path-integration survive? : Results of a randomized controlled study on intensive balance training
Author(s): Dordevic, Milos
Taubert, MarcoLook up in the Integrated Authority File of the German National Library
Müller, PatrickLook up in the Integrated Authority File of the German National Library
Riemer, Martin
Kaufmann, Jörn
Hökelmann, Anita
Müller, Notger GermarLook up in the Integrated Authority File of the German National Library
Issue Date: 2020
Type: Article
Language: English
URN: urn:nbn:de:gbv:ma9:1-1981185920-366316
Subjects: Neuroplasticity
Path integration
Gray matter
Abstract: Balancing is a complex task requiring the integration of visual, somatosensory and vestibular inputs. The vestibular system is linked to the hippocampus, a brain structure crucial for spatial orientation. Here we tested the immediate and sustained effects of a one-month-long slackline training program on balancing and orientation abilities as well as on brain volumes in young adults without any prior experience in that skill. On the corrected level, we could not find any interaction effects for brain volumes, but the effect sizes were small to medium. A subsequent within-training-group analysis revealed volumetric increments within the somatosensory cortex and decrements within posterior insula, cerebellum and putamen remained stable over time. No significant interaction effects were observed on the clinical balance and the spatial orientation task two months after the training period (follow-up). We interpret these findings as a shift away from processes crucial for automatized motor output towards processes related to voluntarily controlled movements. The decrease in insular volume in the training group we propose to result from multisensory interaction of the vestibular with the visual and somatosensory systems. The discrepancy between sustained effects in the brain of the training group on the one hand and transient benefits in function on the other may indicate that for the latter to be retained a longer-term practice is required.
Open Access: Open access publication
License: (CC BY 4.0) Creative Commons Attribution 4.0(CC BY 4.0) Creative Commons Attribution 4.0
Sponsor/Funder: DFG-Publikationsfonds 2020
Journal Title: Brain Sciences
Publisher: MDPI AG
Publisher Place: Basel
Volume: 10
Issue: 4
Original Publication: 10.3390/brainsci10040210
Page Start: 1
Page End: 19
Appears in Collections:Medizinische Fakultät (OA)

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