Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/52216

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dc.contributor.authorCoutinho, Joana Fernandes Pereirapor
dc.contributor.authorGonçalves, Óscar F.por
dc.contributor.authorSoares, José Miguel Montenegropor
dc.contributor.authorMarques, Paulo César Gonçalvespor
dc.contributor.authorSampaio, Adrianapor
dc.date.accessioned2018-03-13T12:18:01Z-
dc.date.issued2016-
dc.identifier.issn0925-4927por
dc.identifier.urihttp://hdl.handle.net/1822/52216-
dc.description.abstractObsessive-compulsive personality (OCPD) disorder is characterized by a pattern of excessive self-control, perfectionism and behavioral and cognitive rigidity. Despite the fact that OCPD is the most common personality disorder in the general population, published studies looking at the brain correlates of this disorder are practically nonexistent. The main goal of this study was to analyze the presence of brain alterations in OCPD when compared to healthy controls, specifically at the level of the Default Mode Network (DMN). The DMN is a well-established resting state network which was found to be associated with psychological processes that may play a key role in OCPD (e.g., self-awareness, episodic future thinking and mental simulation). Ten individuals diagnosed with OCPD and ten healthy controls underwent a clinical assessment interview and a resting-state functional magnetic resonance imaging (fMRI) acquisition. The results show that OCPD patients presented an increased functional connectivity in the precuneus (i.e., a posterior node of the DMN), known to be involved in the retrieval manipulation of past events in order to solve current problems and develop plans for the future. These results suggest that this key node of the DMN may play an important role in the pathophysiology of OCPD.por
dc.description.sponsorshipThis study was conducted at Psychology Research Centre (UID/PSI/01662/2013), University of Minho, and supported by the Portuguese Foundation for Science and Technology and the Portuguese Ministry of Education and Science through national funds and co-financed by FEDER through COMPETE2020 under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007653).Joana Coutinho was funded by a FCT postdoctoral grant (number: SFRH/BPD/75014/2010) and Bial Foundation (grant number 87/12).por
dc.language.isoengpor
dc.publisherElsevierpor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147227/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F75014%2F2010/PTpor
dc.rightsclosedAccesspor
dc.subjectObsessive-compulsive personality disorderpor
dc.subjectNeuroimagingpor
dc.subjectFunctional MRIpor
dc.subjectDefault-mode networkpor
dc.subjectFunctional connectivitypor
dc.titleAlterations of the default mode network connectivity in obsessive-compulsive personality disorder: a pilot studypor
dc.typearticle-
dc.peerreviewedyespor
oaire.citationStartPage1por
oaire.citationEndPage7por
oaire.citationVolume256por
dc.date.updated2018-02-26T16:25:06Z-
dc.identifier.doi10.1016/j.pscychresns.2016.08.007por
dc.identifier.pmid27591486-
dc.description.publicationversioninfo:eu-repo/semantics/publishedVersionpor
dc.subject.wosScience & Technology-
sdum.export.identifier2988-
sdum.journalPsychiatry Research: Neuroimagingpor
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