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Article: Multi-session anodal prefrontal transcranial direct current stimulation does not improve executive functions among older adults

TitleMulti-session anodal prefrontal transcranial direct current stimulation does not improve executive functions among older adults
Authors
KeywordstDCS
Intervention
Executive functions
Aging
Issue Date2020
PublisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=INS
Citation
Journal of the International Neuropsychological Society, 2020, v. 26 n. 4, p. 372-381 How to Cite?
AbstractObjective: Findings from single-session online studies highlighted the potential of using anodal prefrontal transcranial direct current stimulation (tDCS) to enhance executive functions (EF) in the context of aging. However, tDCS must be executed as a multi-session offline intervention to ascertain its viability in this context. Relatedly, findings from multi-session studies remained inconclusive. To this end, we examined the effects of multi-session anodal prefrontal tDCS on EF in an intervention. Method: The intervention consisted of 15 sessions; in each, healthy older participants (Agemean = 66.7) received either 15 min of 1.5 mA tDCS (Ncompleted = 35) or sham stimulation (Ncompleted = 33) while performing EF training tasks. EF measures were assessed at baseline, post-intervention, and 1-month follow-up. Hierarchical linear models were used to examine the effect of tDCS on EF outcomes. Results: Both groups of participants did not differ significantly in side effect ratings and attendance. There were no significant tDCS-associated gains in any EF outcomes in the intervention. Conclusions: Multi-session prefrontal tDCS did not lead to any significant gains in EF in the current intervention. More research is needed to optimize the use of tDCS before it can be effectively used to enhance EF among older adults.
Persistent Identifierhttp://hdl.handle.net/10722/286118
ISSN
2019 Impact Factor: 2.576
2015 SCImago Journal Rankings: 1.348

 

DC FieldValueLanguage
dc.contributor.authorYu, J-
dc.contributor.authorLAM, CLM-
dc.contributor.authorMAN, ISC-
dc.contributor.authorShao, R-
dc.contributor.authorLee, TMC-
dc.date.accessioned2020-08-31T06:59:22Z-
dc.date.available2020-08-31T06:59:22Z-
dc.date.issued2020-
dc.identifier.citationJournal of the International Neuropsychological Society, 2020, v. 26 n. 4, p. 372-381-
dc.identifier.issn1355-6177-
dc.identifier.urihttp://hdl.handle.net/10722/286118-
dc.description.abstractObjective: Findings from single-session online studies highlighted the potential of using anodal prefrontal transcranial direct current stimulation (tDCS) to enhance executive functions (EF) in the context of aging. However, tDCS must be executed as a multi-session offline intervention to ascertain its viability in this context. Relatedly, findings from multi-session studies remained inconclusive. To this end, we examined the effects of multi-session anodal prefrontal tDCS on EF in an intervention. Method: The intervention consisted of 15 sessions; in each, healthy older participants (Agemean = 66.7) received either 15 min of 1.5 mA tDCS (Ncompleted = 35) or sham stimulation (Ncompleted = 33) while performing EF training tasks. EF measures were assessed at baseline, post-intervention, and 1-month follow-up. Hierarchical linear models were used to examine the effect of tDCS on EF outcomes. Results: Both groups of participants did not differ significantly in side effect ratings and attendance. There were no significant tDCS-associated gains in any EF outcomes in the intervention. Conclusions: Multi-session prefrontal tDCS did not lead to any significant gains in EF in the current intervention. More research is needed to optimize the use of tDCS before it can be effectively used to enhance EF among older adults.-
dc.languageeng-
dc.publisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=INS-
dc.relation.ispartofJournal of the International Neuropsychological Society-
dc.rightsJournal of the International Neuropsychological Society. Copyright © Cambridge University Press.-
dc.rightsThis article has been published in a revised form in [Journal] [http://doi.org/XXX]. This version is free to view and download for private research and study only. Not for re-distribution, re-sale or use in derivative works. © copyright holder.-
dc.subjecttDCS-
dc.subjectIntervention-
dc.subjectExecutive functions-
dc.subjectAging-
dc.titleMulti-session anodal prefrontal transcranial direct current stimulation does not improve executive functions among older adults-
dc.typeArticle-
dc.identifier.emailShao, R: rshao@hku.hk-
dc.identifier.emailLee, TMC: tmclee@hku.hk-
dc.identifier.authorityShao, R=rp02519-
dc.identifier.authorityLee, TMC=rp00564-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1017/S1355617719001206-
dc.identifier.pmid31658926-
dc.identifier.scopuseid_2-s2.0-85082833876-
dc.identifier.hkuros313763-
dc.identifier.volume26-
dc.identifier.issue4-
dc.identifier.spage372-
dc.identifier.epage381-
dc.publisher.placeUnited Kingdom-

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