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  Effect of transcranial direct current stimulation (tDCS) during complex whole body motor skill learning

Kaminski, E., Hoff, M., Sehm, B., Taubert, M., Conde, V., Steele, C., et al. (2013). Effect of transcranial direct current stimulation (tDCS) during complex whole body motor skill learning. Neuroscience Letters, 552, 76-80. doi:10.1016/j.neulet.2013.07.034.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-5AFA-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-9E8E-C
Genre: Journal Article

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 Creators:
Kaminski, Elisabeth1, Author              
Hoff, Maike1, Author              
Sehm, Bernhard1, Author              
Taubert, Marco1, Author              
Conde, Virginia1, Author              
Steele, Christopher1, Author              
Villringer, Arno1, 2, Author              
Ragert, Patrick1, Author              
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              

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Free keywords: Motor skill learning; Brain plasticity; Transcranial direct current stimulation (tDCS); Supplementary motor area (SMA); Prefrontal cortex
 Abstract: The aim of the study was to investigate tDCS effects on motor skill learning in a complex whole bodydynamic balance task (DBT). We hypothesized that tDCS over the supplementary motor area (SMA), aregion that is known to be involved in the control of multi-joint whole body movements, will resultin polarity specific changes in DBT learning. In a randomized sham-controlled, double-blinded paralleldesign, we applied 20 min of tDCS over the supplementary motor area (SMA) and prefrontal cortex (PFC)while subjects performed a DBT. Anodal tDCS over SMA with the cathode placed over contralateral PFCimpaired motor skill learning of the DBT compared to sham. This effect was still present on the second dayof training. Reversing the polarity (cathode over SMA, anode over PFC) did not affect motor skill learningneither on the first nor on the second day of training. To better disentangle whether the impaired motorskill learning was due to a modulation of SMA or PFC, we performed an additional control experiment.Here, we applied anodal tDCS over SMA together with a larger and presumably more ineffective electrode(cathode) over PFC. Interestingly this alternative tDCS electrode setup did not affect the outcome of DBTlearning. Our results provide novel evidence that a modulation of the (right) PFC seems to impair complexmulti-joint motor skill learning. Hence, future studies should take the positioning of both tDCS electrodesinto account when investigating complex motor skill learning.

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Language(s): eng - English
 Dates: 2013-07-122013-05-162013-07-222013-08-072013-09-27
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.neulet.2013.07.034
PMID: 23933205
Other: Epub 2013
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Title: Neuroscience Letters
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 552 Sequence Number: - Start / End Page: 76 - 80 Identifier: ISSN: 0304-3940
CoNE: https://pure.mpg.de/cone/journals/resource/954925512448