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Proximal upper limb sensorimotor integration in response to novel motor skill acquisition

O’brien, Sinead, Andrew, Danielle, Zabihhosseinian, Mahboobeh, Yielder, Paul and Murphy, Bernadette 2020, Proximal upper limb sensorimotor integration in response to novel motor skill acquisition, Brain Sciences, vol. 10, no. 9, Special Issue: Brain Plasticity and Motor Control—Series II, pp. 1-14, doi: 10.3390/brainsci10090581.

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Title Proximal upper limb sensorimotor integration in response to novel motor skill acquisition
Author(s) O’brien, Sinead
Andrew, Danielle
Zabihhosseinian, Mahboobeh
Yielder, Paul
Murphy, Bernadette
Journal name Brain Sciences
Volume number 10
Issue number 9
Season Special Issue: Brain Plasticity and Motor Control—Series II
Start page 1
End page 14
Total pages 14
Publisher MDPI AG
Place of publication Basel, Switzerland
Publication date 2020-09
ISSN 2076-3425
Summary Previous studies have shown significant changes in cortical and subcortical evoked potential activity levels in response to motor training with the distal upper-limb muscles. However, no studies to date have assessed the neurological processing changes in somatosensory evoked potentials (SEPs) associated with motor training whole-arm movements utilizing proximal upper-limb muscles. The proximal upper-limb muscles are a common source of work-related injuries, due to repetitive glenohumeral movements. Measuring neurophysiological changes following performance of a proximal motor task provide insight into potential neurophysiological changes associated with occupational postures and movements involving proximal upper limb muscles. This study sought to assess the impact of a novel motor skill acquisition task on neural processing of the proximal upper-limb muscle groups, through the measurement of short-latency median nerve SEPs. One group of 12 participants completed a novel motor training task, consisting of tracing a sinusoidal waveform varying in amplitude and frequency. Baseline SEP measurements were recorded from each participant, followed by a mental recitation control task. Pre-test SEP measurements were then recorded, followed by the motor training task, and post-test SEP recordings. The participants completed the tracing with their right thumb, using glenohumeral rotation only to move their hand. Significant improvements in task accuracy were demonstrated, indicating that motor acquisition had occurred. Significant changes were also seen in the N11, N13, N20, N24, P25, and the N30 SEP peaks were seen following the motor training task. Conclusion: Early SEPs appear to be a sensitive measure of changes in sensorimotor integration in response to novel motor skill acquisition within the proximal upper-limb muscles.
Language eng
DOI 10.3390/brainsci10090581
Indigenous content off
Field of Research 1109 Neurosciences
1701 Psychology
1702 Cognitive Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30141786

Document type: Journal Article
Collections: Faculty of Health
School of Medicine
Open Access Collection
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.