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Frontoparietal EEG alpha-phase synchrony reflects differential attentional demands during word recall and oculomotor dual-tasks

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dc.contributor.authorGusang Kwon-
dc.contributor.authorMin-Young Kim-
dc.contributor.authorSanghyun Lim-
dc.contributor.authorHyukchan Kwon-
dc.contributor.authorYong-Ho Lee-
dc.contributor.authorKiwoong Kim-
dc.contributor.authorEun-Ju Lee-
dc.contributor.authorMinah Suh-
dc.date.available2016-01-25T00:11:16Z-
dc.date.created2016-01-11-
dc.date.issued2015-12-
dc.identifier.issn0959-4965-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/2222-
dc.description.abstractTo study the relationship between the varying degrees of cognitive load and long-range synchronization among neural networks, we utilized a dual-task paradigm combining concurrent word recall working memory tasks and oculomotor tasks that differentially activate the common frontoparietal (FP) network. We hypothesized that each dual-task combination would generate differential neuronal activation patterns among long-range connection during word retention period. Given that the FP alpha-phase synchronization is involved in attentional top-down processes, one would expect that the long-range synchronization pattern is affected by the degrees of dual-task demand. We measured a single-trial phase locking value in the alpha frequency (8–12 Hz) with electroencephalography in healthy participants. Single-trial phase locking value characterized the synchronization between two brain signals. Our results revealed that different amounts of FP alpha-phase synchronization were produced by different dual-task combinations, particularly during the early phase of the word retention period. These differences were dependent on the individual’s working memory capacity and memory load. Our study shows that during dual-task, each oculomotor task, which is subserved by distinct neural network, generates different modulation patterns on long-range neuronal activation and FP alpha-phase synchronization seems to reflect these differential cognitive loads.-
dc.description.uri1-
dc.language영어-
dc.publisherLIPPINCOTT WILLIAMS & WILKINS-
dc.subjectalpha-phase synchrony, dual-task, electroencephalography, frontoparietal network, oculomotor task, working memory capacity-
dc.titleFrontoparietal EEG alpha-phase synchrony reflects differential attentional demands during word recall and oculomotor dual-tasks-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000365514700014-
dc.identifier.scopusid2-s2.0-84979934338-
dc.identifier.rimsid21961ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorGusang Kwon-
dc.contributor.affiliatedAuthorMinah Suh-
dc.identifier.doi10.1097/WNR.0000000000000494-
dc.identifier.bibliographicCitationNEUROREPORT, v.26, no.18, pp.1161 - 1167-
dc.citation.titleNEUROREPORT-
dc.citation.volume26-
dc.citation.number18-
dc.citation.startPage1161-
dc.citation.endPage1167-
dc.date.scptcdate2018-10-01-
dc.description.wostc2-
dc.description.scptc2-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusPURSUIT EYE-MOVEMENTS-
dc.subject.keywordPlusINDIVIDUAL-DIFFERENCES-
dc.subject.keywordPlusMEMORY CAPACITY-
dc.subject.keywordPlusBRAIN-
dc.subject.keywordPlusINTEGRATION-
dc.subject.keywordPlusACTIVATION-
dc.subject.keywordPlusSYSTEM-
dc.subject.keywordPlusFMRI-
dc.subject.keywordAuthoralpha-phase synchrony-
dc.subject.keywordAuthordual-task-
dc.subject.keywordAuthorelectroencephalography-
dc.subject.keywordAuthorfrontoparietal network-
dc.subject.keywordAuthoroculomotor task-
dc.subject.keywordAuthorworking memory capacity-
Appears in Collections:
Center for Neuroscience Imaging Research (뇌과학 이미징 연구단) > 1. Journal Papers (저널논문)
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