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  Alpha and beta neural oscillations differentially reflect age-related differences in bilateral coordination

Shih, P.-C., Steele, C., Nikulin, V. V., Gundlach, C., Kruse, J., Villringer, A., et al. (2021). Alpha and beta neural oscillations differentially reflect age-related differences in bilateral coordination. Neurobiology of Aging, 104, 82-91. doi:10.1016/j.neurobiolaging.2021.03.016.

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 Creators:
Shih, Pei-Cheng1, 2, Author           
Steele, Christopher1, 3, Author           
Nikulin, Vadim V.1, 4, 5, Author           
Gundlach, Christopher1, 6, Author           
Kruse, Johanna7, Author
Villringer, Arno1, 8, Author           
Sehm, Bernhard1, 8, 9, Author           
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Institute of Neuroscience, National Yang Ming Chiao Tung University, Taipei City, Taiwan, ou_persistent22              
3Department of Psychology, Concordia University, Montréal, QC, Canada, ou_persistent22              
4Centre for Cognition and Decision Making, National Research University Higher School of Economics, Moscow, Russia, ou_persistent22              
5Neurophysics Group, Department of Neurology, Charité University Medicine Berlin, Germany, ou_persistent22              
6Institute of Psychology, University of Leipzig, Germany, ou_persistent22              
7Faculty of Psychology, TU Dresden, Germany, ou_persistent22              
8Clinic for Cognitive Neurology, University of Leipzig, Germany, ou_persistent22              
9Department of Neurology, Martin Luther University Halle-Wittenberg, Germany, ou_persistent22              

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Free keywords: Aging; Electroencephalography; Kinematic analysis; Synchronization
 Abstract: Bilateral in-phase (IP) and anti-phase (AP) movements represent two fundamental modes of bilateral coordination that are essential for daily living. Although previous studies have shown that aging is behaviorally associated with decline in bilateral coordination, especially in AP movements, the underlying neural mechanisms remain unclear. Here, we use kinematic measurements and electroencephalography to compare motor performance of young and older adults executing bilateral IP and AP hand movements. On the behavioral level, inter-limb synchronization was reduced during AP movements compared to IP and this reduction was stronger in the older adults. On the neural level, we found interactions between group and condition for task-related power change in different frequency bands. The interaction was driven by smaller alpha power decreases over the non-dominant cortical motor area in young adults during IP movements and larger beta power decreases over the midline region in older adults during AP movements. In addition, the decrease in inter-limb synchronization during AP movements was predicted by stronger directional connectivity in the beta-band: an effect more pronounced in older adults. Our results therefore show that age-related differences in the two bilateral coordination modes are reflected on the neural level by differences in alpha and beta oscillatory power as well as interhemispheric directional connectivity.

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Language(s): eng - English
 Dates: 2021-03-272020-03-202021-03-282021-04-092021-08
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.neurobiolaging.2021.03.016
Other: epub 2021
PMID: 33979705
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Funding organization : Max Planck Society
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Funding organization : Foundation CELLEX
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Funding organization : IMPRS-NEUROCOM
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Funding organization : FAZIT-STIFTUNG
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Funding program : Basic Research Program at the National Research University Higher School of Economics
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Grant ID : RGPIN-2020-06812; DGECR2020-00146
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Funding organization : Natural Sciences and Engineering Research Council of Canada (NSERC)
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Funding organization : Heart & Stroke Foundation of Canada
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Grant ID : HNC 170723
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Funding organization : Canadian Institutes of Health Research (CIHR)

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Title: Neurobiology of Aging
  Other : Neurobiol. Aging
Source Genre: Journal
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Publ. Info: New York, NY [etc.] : Elsevier
Pages: - Volume / Issue: 104 Sequence Number: - Start / End Page: 82 - 91 Identifier: ISSN: 0197-4580
CoNE: https://pure.mpg.de/cone/journals/resource/954925491902