Correlation of risk-taking propensity with cross-frequency phase-amplitude coupling in the resting EEG

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dc.contributor.authorLee, Jae-Wonko
dc.contributor.authorJeong, Jae-Seungko
dc.date.accessioned2014-11-25T08:09:16Z-
dc.date.available2014-11-25T08:09:16Z-
dc.date.created2013-07-25-
dc.date.created2013-07-25-
dc.date.issued2013-11-
dc.identifier.citationCLINICAL NEUROPHYSIOLOGY, v.124, no.11, pp.2172 - 2180-
dc.identifier.issn1388-2457-
dc.identifier.urihttp://hdl.handle.net/10203/191177-
dc.description.abstractObjective: Recent evidence has suggested that the weak inhibitory influence of the prefrontal cortex on the subcortical structures may be responsible for risk-taking behaviour. The aim was to determine the possibility that this weakness in top-down control is reflected in changes in the cross-frequency phase-amplitude coupling (CFPAC) in the electroencephalography (EEG). Methods: Nineteen-channel EEGs were recorded from 50 healthy volunteers with their eyes closed before risk-taking propensity was assessed by behavioural measures, the domain-specific risk-taking (DOSPERT) scale and the Barrett impulsiveness scale (BIS). Correlation analyses between the CFPACs and the behavioural measures were performed. Results: The CFPACs were negatively correlated with the risk-taking DOSPERT and BIS scores in frontal (Fp2) and centro-parietal (C3, C4 and P4) regions. By contrast, the CFPACs were positively correlated with the risk-taking DOSPERT and BIS scores in the right hemisphere (T8 and P8). Conclusions: We suggest that frequent risk-taking behaviour is closely associated with the reduced interference of the cortical control network on the reward-oriented system. The CFPAC, which reflects the degree of interactions among functional systems, provides information about an individual's risk-taking propensity. Significance: The CFPAC may be a useful neurophysiological indicator of an individual's tendency towards risk-taking behaviours, which thus potentially contributes to evaluating the severity of the psychiatric diseases exhibiting abnormal risk-taking behaviours. Published by Elsevier Ltd. on behalf of International Federation of Clinical Neurophysiology.-
dc.languageEnglish-
dc.publisherELSEVIER IRELAND LTD-
dc.subjectDELTA-BETA OSCILLATIONS-
dc.subjectDECISION-MAKING-
dc.subjectNEURONAL OSCILLATIONS-
dc.subjectBRAIN OSCILLATIONS-
dc.subjectPREFRONTAL CORTEX-
dc.subjectCOGNITIVE CONTROL-
dc.subjectPSYCHOLOGICAL SIGNIFICANCE-
dc.subjectBEHAVIORAL-INHIBITION-
dc.subjectEVOKED-POTENTIALS-
dc.subjectMEMORY TASK-
dc.titleCorrelation of risk-taking propensity with cross-frequency phase-amplitude coupling in the resting EEG-
dc.typeArticle-
dc.identifier.wosid000325779800015-
dc.identifier.scopusid2-s2.0-84885864373-
dc.type.rimsART-
dc.citation.volume124-
dc.citation.issue11-
dc.citation.beginningpage2172-
dc.citation.endingpage2180-
dc.citation.publicationnameCLINICAL NEUROPHYSIOLOGY-
dc.identifier.doi10.1016/j.clinph.2013.05.007-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorJeong, Jae-Seung-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCross-frequency phase-amplitude coupling (CFPAC)-
dc.subject.keywordAuthorRisk-taking propensity (RTP)-
dc.subject.keywordAuthorBarrett impulsiveness scale (BIS)-
dc.subject.keywordAuthorDomain-specific risk-taking (DOSPERT) scale-
dc.subject.keywordPlusDELTA-BETA OSCILLATIONS-
dc.subject.keywordPlusDECISION-MAKING-
dc.subject.keywordPlusNEURONAL OSCILLATIONS-
dc.subject.keywordPlusBRAIN OSCILLATIONS-
dc.subject.keywordPlusPREFRONTAL CORTEX-
dc.subject.keywordPlusCOGNITIVE CONTROL-
dc.subject.keywordPlusPSYCHOLOGICAL SIGNIFICANCE-
dc.subject.keywordPlusBEHAVIORAL-INHIBITION-
dc.subject.keywordPlusEVOKED-POTENTIALS-
dc.subject.keywordPlusMEMORY TASK-
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