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In vivo assessment of human brain oscillations during application of transcranial electric currents

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  • Surjo R. Soekadar

    (Human Cortical Physiology and Stroke Neurorehabilitation Section, National Institute of Neurological Disorders and Stroke, NIH, 10 Center Drive, Building 10
    University Hospital of Tübingen, Applied Neurotechnology Lab, Calwerstr. 14
    University of Tübingen, Institute of Medical Psychology and Behavioral Neurobiology, Silcherstrasse 5)

  • Matthias Witkowski

    (Human Cortical Physiology and Stroke Neurorehabilitation Section, National Institute of Neurological Disorders and Stroke, NIH, 10 Center Drive, Building 10
    University Hospital of Tübingen, Applied Neurotechnology Lab, Calwerstr. 14
    University of Tübingen, Institute of Medical Psychology and Behavioral Neurobiology, Silcherstrasse 5)

  • Eliana G. Cossio

    (University Hospital of Tübingen, Applied Neurotechnology Lab, Calwerstr. 14
    University of Tübingen, Institute of Medical Psychology and Behavioral Neurobiology, Silcherstrasse 5)

  • Niels Birbaumer

    (University of Tübingen, Institute of Medical Psychology and Behavioral Neurobiology, Silcherstrasse 5
    Ospedale San Camillo, IRCCS, Via Alberoni 70)

  • Stephen E. Robinson

    (MEG Core Facility, National Institute of Mental Health, NIH, 10 Center Drive, Building 10)

  • Leonardo G. Cohen

    (Human Cortical Physiology and Stroke Neurorehabilitation Section, National Institute of Neurological Disorders and Stroke, NIH, 10 Center Drive, Building 10)

Abstract

Brain oscillations reflect pattern formation of cell assemblies’ activity, which is often disturbed in neurological and psychiatric diseases like depression, schizophrenia and stroke. In the neurobiological analysis and treatment of these conditions, transcranial electric currents applied to the brain proved beneficial. However, the direct effects of these currents on brain oscillations have remained an enigma because of the inability to record them simultaneously. Here we report a novel strategy that resolves this problem. We describe accurate reconstructed localization of dipolar sources and changes of brain oscillatory activity associated with motor actions in primary cortical brain regions undergoing transcranial electric stimulation. This new method allows for the first time direct measurement of the effects of non-invasive electrical brain stimulation on brain oscillatory activity and behavior.

Suggested Citation

  • Surjo R. Soekadar & Matthias Witkowski & Eliana G. Cossio & Niels Birbaumer & Stephen E. Robinson & Leonardo G. Cohen, 2013. "In vivo assessment of human brain oscillations during application of transcranial electric currents," Nature Communications, Nature, vol. 4(1), pages 1-10, October.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3032
    DOI: 10.1038/ncomms3032
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