2022
Serotonergic modulation of effective connectivity in an associative relearning network during task and rest
Reed MB, Klöbl M, Godbersen GM, Handschuh PA, Ritter V, Spurny-Dworak B, Unterholzner J, Kraus C, Gryglewski G, Winkler D, Seiger R, Vanicek T, Hahn A, Lanzenberger R. Serotonergic modulation of effective connectivity in an associative relearning network during task and rest. NeuroImage 2022, 249: 118887. PMID: 34999203, DOI: 10.1016/j.neuroimage.2022.118887.Peer-Reviewed Original ResearchConceptsRight angular gyrusAnterior cingulate cortexEffective connectivityRight insulaCognitive flexibilityAngular gyrusCingulate cortexAssociative learning taskAssociative learningLearning taskTask connectivityLearning phaseInsulaGray matter volume changesSelective serotonin reuptake inhibitor escitalopramDouble-blind designNeuroplastic changesGyrusTaskParticipantsSSRI intakeCortexEffective connectionSerotonergic modulationConnectivity
2014
Meta-Analysis of Molecular Imaging of Serotonin Transporters in Major Depression
Gryglewski G, Lanzenberger R, Kranz GS, Cumming P. Meta-Analysis of Molecular Imaging of Serotonin Transporters in Major Depression. Cerebrovascular And Brain Metabolism Reviews 2014, 34: 1096-1103. PMID: 24802331, PMCID: PMC4083395, DOI: 10.1038/jcbfm.2014.82.Peer-Reviewed Original ResearchConceptsMajor depressive disorderSerotonin selective reuptake inhibitorsBrains of patientsSeverity of depressionMolecular imaging findingsPositron emission tomographySerotonin reuptake sitesSingle photon emissionMore severe reductionsSignificant comorbiditiesReuptake inhibitorsImaging findingsMDD patientsControl subjectsMonoamine theoryReuptake sitesDepressive disorderSerotonergic neurotransmissionMajor depressionMolecular imaging studiesStudy populationCingulate cortexMeta-AnalysisEmission tomographyImaging studies