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  Large-scale network functional interactions during distraction and reappraisal in remitted bipolar and unipolar patients

Lois, G., Gerchen, M. F., Kirsch, P., Kanske, P., Schönfelder, S., & Wessa, M. (2017). Large-scale network functional interactions during distraction and reappraisal in remitted bipolar and unipolar patients. Bipolar Disorders, 19(6), 487-495. doi:10.1111/bdi.12512.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-56F5-C Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-290B-3
Genre: Zeitschriftenartikel

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 Urheber:
Lois, Giannis1, Autor
Gerchen, Martin F.2, Autor
Kirsch, Peter2, Autor
Kanske, Philipp3, Autor              
Schönfelder, Sandra1, Autor
Wessa, Michèle1, Autor
Affiliations:
1Department of Clinical Psychology and Neuropsychology, Institute of Psychology, Johannes Gutenberg University, Mainz, Germany, escidoc:persistent22              
2Central Institute of Mental Health, Mannheim, Germany, escidoc:persistent22              
3Department Social Neuroscience, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, escidoc:634552              

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Schlagwörter: Bipolar disorder; Default mode network; Depression; Functional connectivity; Large-scale networks
 Zusammenfassung: Objectives The human brain is organized into large-scale networks that dynamically interact with each other. Extensive evidence has shown characteristic changes in certain large-scale networks during transitions from internally directed to externally directed attention. The aim of the present study was to compare these context-dependent network interactions during emotion regulation and to examine potential alterations in remitted unipolar and bipolar disorder patients. Methods We employed a multi-region generalized psychophysiological interactions analysis to quantify connectivity changes during distraction vs reappraisal pair-wise across 90 regions placed throughout the four networks of interest (default-mode, frontoparietal, salience, and dorsal attention networks). Using network contingency analysis and permutation testing, we estimated the likelihood that the number of significant condition-dependent connectivity changes in every pair of networks exceeds the number expected by chance. We first examined the pattern of functional connectivity in 42 healthy subjects (sample I) and then compared these connectivity patterns across healthy individuals (n=23) and remitted bipolar (n=21) and unipolar disorder patients (n=21) in an independent sample II. Results In sample I, distraction compared to reappraisal was characterized by reduced connectivity within the default-mode network and between the default-mode and two cognitive control networks and increased connectivity among the cognitive control networks. In sample II, both patient groups exhibited abnormally increased default-mode intra- and inter-network connectivity during distraction compared to reappraisal. Conclusions The present study highlights the role of large-scale network interactions in emotion regulation and provides preliminary evidence of default-mode inter- and intra-network connectivity impairments in remitted bipolar and unipolar patients during emotion regulation.

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Sprache(n): eng - Englisch
 Datum: 2017-03-082017-05-312017-09-27
 Publikationsstatus: Online publiziert
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1111/bdi.12512
 Art des Abschluß: -

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Titel: Bipolar Disorders
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Oxford : Wiley-Blackwell
Seiten: - Band / Heft: 19 (6) Artikelnummer: - Start- / Endseite: 487 - 495 Identifikator: ISSN: 1398-5647
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/1398-5647