Treatment effect of methylphenidate on intrinsic functional brain network in medication-naive ADHD children: A multivariate analysis

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dc.contributor.authorYoo, Jaehyunko
dc.contributor.authorKim, Dohyunko
dc.contributor.authorChoi, Jeewookko
dc.contributor.authorJeong, Bumseokko
dc.date.accessioned2018-05-23T06:29:52Z-
dc.date.available2018-05-23T06:29:52Z-
dc.date.created2018-04-23-
dc.date.created2018-04-23-
dc.date.created2018-04-23-
dc.date.issued2018-04-
dc.identifier.citationBRAIN IMAGING AND BEHAVIOR, v.12, no.2, pp.518 - 531-
dc.identifier.issn1931-7557-
dc.identifier.urihttp://hdl.handle.net/10203/241517-
dc.description.abstractMethylphenidate is a first-line therapeutic option for treating attention-deficit/hyperactivity disorder (ADHD); however, elicited changes on resting-state functional networks (RSFNs) are not well understood. This study investigated the treatment effect of methylphenidate using a variety of RSFN analyses and explored the collaborative influences of treatment-relevant RSFN changes in children with ADHD. Resting-state functional magnetic resonance imaging was acquired from 20 medication-na < ve ADHD children before methylphenidate treatment and twelve weeks later. Changes in large-scale functional connectivity were defined using independent component analysis with dual regression and graph theoretical analysis. The amplitude of low frequency fluctuation (ALFF) was measured to investigate local spontaneous activity alteration. Finally, significant findings were recruited to random forest regression to identify the feature subset that best explains symptom improvement. After twelve weeks of methylphenidate administration, large-scale connectivity was increased between the left fronto-parietal RSFN and the left insula cortex and the right fronto-parietal and the brainstem, while the clustering coefficient (CC) of the global network and nodes, the left fronto-parietal, cerebellum, and occipital pole-visual network, were decreased. ALFF was increased in the bilateral superior parietal cortex and decreased in the right inferior fronto-temporal area. The subset of the local and large-scale RSFN changes, including widespread ALFF changes, the CC of the global network and the cerebellum, could explain the 27.1% variance of the ADHD Rating Scale and 13.72% of the Conner's Parent Rating Scale. Our multivariate approach suggests that the neural mechanism of methylphenidate treatment could be associated with alteration of spontaneous activity in the superior parietal cortex or widespread brain regions as well as functional segregation of the large-scale intrinsic functional network.-
dc.languageEnglish-
dc.publisherSPRINGER-
dc.titleTreatment effect of methylphenidate on intrinsic functional brain network in medication-naive ADHD children: A multivariate analysis-
dc.typeArticle-
dc.identifier.wosid000429029000021-
dc.identifier.scopusid2-s2.0-85017514980-
dc.type.rimsART-
dc.citation.volume12-
dc.citation.issue2-
dc.citation.beginningpage518-
dc.citation.endingpage531-
dc.citation.publicationnameBRAIN IMAGING AND BEHAVIOR-
dc.identifier.doi10.1007/s11682-017-9713-z-
dc.contributor.localauthorJeong, Bumseok-
dc.contributor.nonIdAuthorChoi, Jeewook-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAttention deficit-hyperactivity disorder-
dc.subject.keywordAuthorMethylphenidate-
dc.subject.keywordAuthorFunctional magnetic resonance imaging-
dc.subject.keywordAuthorResting state networks-
dc.subject.keywordAuthorMachine learning-
dc.subject.keywordPlusATTENTION-DEFICIT/HYPERACTIVITY-DISORDER-
dc.subject.keywordPlusDEFICIT HYPERACTIVITY DISORDER-
dc.subject.keywordPlusSURFACE-BASED ANALYSIS-
dc.subject.keywordPlusCEREBRAL-BLOOD-FLOW-
dc.subject.keywordPlusRESTING-STATE FMRI-
dc.subject.keywordPlusCORTICAL SURFACE-
dc.subject.keywordPlusCOORDINATE SYSTEM-
dc.subject.keywordPlusRANDOM FORESTS-
dc.subject.keywordPlusCONNECTIVITY-
dc.subject.keywordPlusDYSFUNCTION-
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