Task-dependent and polarity-specific effects of prefrontal transcranial direct current stimulation on cortical activation during word fluency
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- 作者：Ann-Christine Ehlis ; Ann-Christine.Ehlis@med.uni-tuebingen.de" class="auth_mail" title="E-mail the corresponding author ; Florian B. Haeussinger ; Alex Gastel ; Andreas J. Fallgatter ; Christian Plewnia
- 关键词：Verbal fluency test (VFT) ; Functional near-infrared spectroscopy (fNIRS) ; Transcranial direct current stimulation (tDCS) ; Broca's area ; Prefrontal cortex (PFC)
- 刊名：NeuroImage
- 出版年：2016
- 出版时间：15 October 2016
- 年：2016
- 卷：140
- 期：Complete
- 页码：134-140
- 全文大小：563 K
文摘
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Anodal tDCS increases activation of the prefrontal cortex during verbal fluency.
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Cathodal tDCS leads to a trend-wise decrease in prefrontal activation.
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No effects were observed for a control task involving simple speech production.
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Behavioral performance was not affected.