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    Noninvasive Transcranial Direct Current Stimulation Over the Left Prefrontal Cortex Facilitates Cognitive Flexibility in Tool Use

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    Issue Date
    2013-06-01
    Author
    Chrysikou, Evangelia G.
    Hamilton, Roy H.
    Coslett, H. Branch
    Datta, Abhishek
    Marom, Bikson
    Thomspon-Schill, Sharon L.
    Publisher
    Taylor and Francis
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
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    Abstract
    Recent neuroscience evidence suggests that some higher-order tasks might benefit from a reduction in sensory filtering associated with low levels of cognitive control. Guided by neuroimaging findings, we hypothesized that cathodal (inhibitory) transcranial direct current stimulation (tDCS) will facilitate performance in a flexible use generation task. Participants saw pictures of artifacts and generated aloud either the object’s common use or an uncommon use for it, while receiving cathodal tDCS (1.5 mA) either over left or right PFC, or sham stimulation. A forward digit span task served as a negative control for potential general effects of stimulation. Analysis of voice-onset reaction times and number of responses generated showed significant facilitative effects of left PFC stimulation for the uncommon, but not the common use generation task and no effects of stimulation on the control task. The results support the hypothesis that certain tasks may benefit from a state of diminished cognitive control.
    Description
    This is an Accepted Manuscript of an article published by Taylor & Francis in Cognitive Neuroscience on 2013-06-1, available online: http://www.tandfonline.com/10.1080/17588928.2013.768221.
    URI
    http://hdl.handle.net/1808/24414
    DOI
    https://doi.org/10.1080/17588928.2013.768221
    Collections
    • Psychology Scholarly Works [286]
    Citation
    Chrysikou, E. G., Hamilton, R. H., Coslett, H. B., Datta, A., Bikson, M., & Thomspon-Schill, S. L. (2013). Noninvasive Transcranial Direct Current Stimulation Over the Left Prefrontal Cortex Facilitates Cognitive Flexibility in Tool Use. Cognitive Neuroscience, 4(2), 81–89. http://doi.org/10.1080/17588928.2013.768221

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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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