Enhancing creativity with combined transcranial direct current and random noise stimulation of the left dorsolateral prefrontal cortex and inferior frontal gyrus

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dc.contributor.authorPeña Lasa, Javier
dc.contributor.authorMuthalib, Makii
dc.contributor.authorSampedro, Agurne
dc.contributor.authorCardoso-Botelho, Mafalda
dc.contributor.authorZabala Gómez, Oihana
dc.contributor.authorIbarretxe Bilbao, Naroa
dc.contributor.authorGarcía Guerrero, Acebo
dc.contributor.authorZubiaurre Elorza, Leire
dc.contributor.authorOjeda del Pozo, Natalia
dc.date.accessioned2024-11-15T10:36:27Z
dc.date.available2024-11-15T10:36:27Z
dc.date.issued2023-03
dc.date.updated2024-11-15T10:36:27Z
dc.description.abstractCreativity is a fundamental human accomplishment from scientific advances to composing music. The left dorsolateral prefrontal cortex (DLPFC) and inferior frontal gyrus (IFG) are important metacontrol hubs in flexibility and persistence brain states, respectively. Those hubs are related to divergent thinking, insight problem-solving, and convergent thinking. In this double-blind, between-subjects study, 81 healthy participants were randomly assigned to one of three groups (n = 27) that received a combined transcranial direct current stimulation–transcranial random noise stimulation (tDCS-tRNS) protocol with the anode over the left DLPFC and cathode over the left IFG (+DLPFC−IFG), the opposite montage (−DLPFC+IFG), and a sham group (+DLPFC−IFG). Both active tDCS-tRNS groups received 20 min of 1 mA tDCS with 1 mA (100–500 Hz) tRNS. Creativity was assessed before (baseline) and during stimulation with the Unusual Uses, Picture Completion (PC), Remote Association test (RAT), Matchstick Arithmetic (MA), and Nine-dot (ND) problems. Only the +DLPFC−IFG group had significantly higher scores compared with sham in the RAT (p =.009), PC fluency (p =.018), PC originality (p =.007), ND (p =.007), and MA (p =.032). Overall, −DLPFC+IFG had greater scores in all creativity tests compared with sham. Implications from the metacontrol theory are discussed.en
dc.description.sponsorshipThis study is supported by a 2018 Leonardo Grant for Researchers and Cultural Creators (BBVA Foundation), Department of Education and Science of the Basque Government (IT946-16), and a Predoctoral Fellowship (Fundacion Tatiana Pérez de Guzmán el Bueno).en
dc.identifier.citationPeña, J., Muthalib, M., Sampedro, A., Cardoso-Botelho, M., Zabala, O., Ibarretxe-Bilbao, N., García-Guerrero, A., Zubiaurre-Elorza, L., & Ojeda, N. (2023). Enhancing creativity with combined transcranial direct current and random noise stimulation of the left dorsolateral prefrontal cortex and inferior frontal gyrus. Journal of Creative Behavior, 57(1), 65-81. https://doi.org/10.1002/JOCB.562
dc.identifier.doi10.1002/JOCB.562
dc.identifier.eissn2162-6057
dc.identifier.issn0022-0175
dc.identifier.urihttp://hdl.handle.net/20.500.14454/1901
dc.language.isoeng
dc.publisherJohn Wiley and Sons Inc
dc.rights© 2022 The Authors
dc.subject.otherCreativity
dc.subject.otherDorsolateral prefrontal cortex
dc.subject.otherInferior frontal gyrus
dc.subject.otherTranscranial direct current stimulation
dc.subject.otherTranscranial random noise stimulation
dc.titleEnhancing creativity with combined transcranial direct current and random noise stimulation of the left dorsolateral prefrontal cortex and inferior frontal gyrusen
dc.typejournal article
dcterms.accessRightsopen access
oaire.citation.endPage81
oaire.citation.issue1
oaire.citation.startPage65
oaire.citation.titleJournal of Creative Behavior
oaire.citation.volume57
oaire.licenseConditionhttps://creativecommons.org/licenses/by/4.0/
oaire.versionVoR
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