Improvement in creativity after transcranial random noise stimulation (tRNS) over the left dorsolateral prefrontal cortex

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dc.contributor.authorPeña Lasa, Javier
dc.contributor.authorSampedro, Agurne
dc.contributor.authorIbarretxe Bilbao, Naroa
dc.contributor.authorZubiaurre Elorza, Leire
dc.contributor.authorOjeda del Pozo, Natalia
dc.date.accessioned2024-11-15T09:26:37Z
dc.date.available2024-11-15T09:26:37Z
dc.date.issued2019-12
dc.date.updated2024-11-15T09:26:37Z
dc.description.abstractCreativity has previously been shown to improve after the application of direct and alternating current transcranial stimulation over the dorsolateral prefrontal cortex (DLPFC). However, previous studies have not tested whether transcranial random noise stimulation (tRNS) was efficient for this purpose. The aim of this randomized, double-blind, placebo-controlled study was to investigate the effect of tRNS on both verbal convergent and (verbal and visual) divergent thinking during left DLPFC tRNS stimulation. Thirty healthy participants were randomly allocated to either a tRNS active group or a sham group. Each session lasted 20 min and the current was set to 1.5 mA (100–500 Hz). Participants’ verbal convergent thinking was assessed with the Remote Associates Test (RAT). Verbal and visual divergent thinking were respectively measured by using the Unusual Uses and Picture Completion subtests from the Torrance Tests of Creative Thinking. Bootstrapped analysis of variance showed significant differences in the mean change scores between the active tRNS group and the sham group in RAT scores (d = 1.68); unusual uses: fluency (d = 2.29) and originality (d = 1.43); and general creativity (d = 1.45). Visual divergent thinking, in contrast, did not show any significant improvement. Our results suggested that tRNS over the left DLPFC is effective for increasing verbal divergent and convergent thinking.en
dc.description.sponsorshipThis research was conducted with support from a 2018 Leonardo Grant for Researchers and Cultural Creators, the BBVA Foundation, the Department of Education and Science of the Basque Government (Team A) [IT946‐16].en
dc.identifier.citationPeña, J., Sampedro, A., Ibarretxe-Bilbao, N., Zubiaurre-Elorza, L., & Ojeda, N. (2019). Improvement in creativity after transcranial random noise stimulation (tRNS) over the left dorsolateral prefrontal cortex. Scientific Reports, 9(1). https://doi.org/10.1038/S41598-019-43626-4
dc.identifier.doi10.1038/S41598-019-43626-4
dc.identifier.issn2045-2322
dc.identifier.urihttp://hdl.handle.net/20.500.14454/1893
dc.language.isoeng
dc.publisherNature Publishing Group
dc.rights© The Author(s) 2019
dc.titleImprovement in creativity after transcranial random noise stimulation (tRNS) over the left dorsolateral prefrontal cortexen
dc.typejournal article
dcterms.accessRightsopen access
oaire.citation.issue1
oaire.citation.titleScientific Reports
oaire.citation.volume9
oaire.licenseConditionhttps://creativecommons.org/licenses/by/4.0/
oaire.versionVoR
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