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Neurosci Lett. 2016 Mar 11;616:119-24. doi: 10.1016/j.neulet.2016.01.051. Epub 2016 Jan 28.

Rolandic beta-band activity correlates with decision time to move.

Author information

1
Department of Psychosomatic Medicine and Psychotherapy, University Medical Center Freiburg, Freiburg, Germany. Electronic address: hanguejo@gmail.com.
2
Research Section of Applied Consciousness Sciences, Department of Psychosomatic Medicine, University Medical Center Regensburg, Regensburg, Germany.
3
Institute for Frontier Areas of Psychology and Mental Health, Freiburg, Germany.
4
Department of Psychosomatic Medicine and Psychotherapy, University Medical Center Freiburg, Freiburg, Germany; Institute for Transcultural Health Studies, European University Viadrina, Frankfurt (Oder), Germany.

Abstract

Research findings link rolandic beta-band activity to voluntary movements, but a linkage with the decision time to move remains unknown. We found that beta-band (16-28Hz) activity shortly before the movement onset is relevant for the decision time to move: the more pronounced the decrease in beta-band synchronization, the earlier the subjective experience of the decision to move. The linkage was relevant regarding 'decision', but not regarding 'intention' timing that has been often applied in the study of free will. Our findings suggest that oscillatory neural activity in the beta-band is an important neural signature pertaining to the subjective experience of making a decision to move.

KEYWORDS:

Beta oscillation; Decision; Event-related desynchronization; Volition

PMID:
26827722
DOI:
10.1016/j.neulet.2016.01.051
[Indexed for MEDLINE]

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