2024
Frequency modulation increases the specificity of time-resolved connectivity: A resting-state fMRI study
Faghiri A, Yang K, Faria A, Ishizuka K, Sawa A, Adali T, Calhoun V. Frequency modulation increases the specificity of time-resolved connectivity: A resting-state fMRI study. Network Neuroscience 2024, 8: 734-761. PMID: 39355435, PMCID: PMC11349031, DOI: 10.1162/netn_a_00372.Peer-Reviewed Original ResearchSliding window Pearson correlationTime-resolved networksSingle sideband modulationTime-resolved connectivityResting-state fMRI studiesSideband modulationFunctional magnetic resonance imagingFunctional network connectivityResting-state functional magnetic resonance imagingActivity time seriesTypical controlsFrequency modulationLow-frequency informationStateEpisode of psychosisNetwork connectivityHuman brainSub-corticalSuperior performanceFMRI studyCortical regionsDifferences in the neural correlates of schizophrenia with positive and negative formal thought disorder in patients with schizophrenia in the ENIGMA dataset
Sharkey R, Bacon C, Peterson Z, Rootes-Murdy K, Salvador R, Pomarol-Clotet E, Karuk A, Homan P, Ji E, Omlor W, Homan S, Georgiadis F, Kaiser S, Kirschner M, Ehrlich S, Dannlowski U, Grotegerd D, Goltermann J, Meinert S, Kircher T, Stein F, Brosch K, Krug A, Nenadic I, Sim K, Spalletta G, Banaj N, Sponheim S, Demro C, Ramsay I, King M, Quidé Y, Green M, Nguyen D, Preda A, Calhoun V, Turner J, van Erp T, Nickl-Jockschat T. Differences in the neural correlates of schizophrenia with positive and negative formal thought disorder in patients with schizophrenia in the ENIGMA dataset. Molecular Psychiatry 2024, 29: 3086-3096. PMID: 38671214, PMCID: PMC11449795, DOI: 10.1038/s41380-024-02563-z.Peer-Reviewed Original ResearchNegative FTDBrain structural changesPositive FTDSymptom dimensionsBrain regionsENIGMA Schizophrenia Working GroupNegative formal thought disorderNeural correlates of schizophreniaRegional brain volume lossFormal thought disorderSchizophrenia Working GroupCorrelates of schizophreniaLateral temporal cortexBrain volume lossThought disorderNeurobiological underpinningsNeural correlatesNeuroimaging studiesTemporal cortexSchizophreniaCortical regionsCortical thicknessCellular underpinningsFTDMulti-site cohortSexual dimorphism in cortical theta rhythms relates to elevated internalizing symptoms during adolescence
Petro N, Picci G, Ott L, Rempe M, Embury C, Penhale S, Wang Y, Stephen J, Calhoun V, Taylor B, Wilson T. Sexual dimorphism in cortical theta rhythms relates to elevated internalizing symptoms during adolescence. Imaging Neuroscience 2024, 2: 1-13. DOI: 10.1162/imag_a_00062.Peer-Reviewed Original ResearchSpontaneous neural activityInternalizing symptomsNeural activityPsychiatric disordersEmergence of psychiatric disordersTheta activityEmergence of psychiatric symptomsAbstract Psychiatric disordersElevated internalizing symptomsStructural brain differencesTypically-developing youthSpontaneous theta activityEyes-closed restTheta frequency bandNegative ruminationCingulate cortexTemporoparietal junctionBrain differencesExternalizing symptomsPsychiatric symptomsAssociation cortexCortical regionsSex differencesCortical activityAssociation regions
2023
Developmental differences in functional organization of multispectral networks
Petro N, Picci G, Embury C, Ott L, Penhale S, Rempe M, Johnson H, Willett M, Wang Y, Stephen J, Calhoun V, Doucet G, Wilson T. Developmental differences in functional organization of multispectral networks. Cerebral Cortex 2023, 33: 9175-9185. PMID: 37279931, PMCID: PMC10505424, DOI: 10.1093/cercor/bhad193.Peer-Reviewed Original ResearchConceptsSpontaneous cortical activityPhase coherenceImaginary partFunctional magnetic resonance imaging measuresConsistent with previous workFunctional brain organizationLimbic cortical regionsFunctional organizationBrain connectivityFunction of increasing ageEyes-closed restGamma bandSpectral specificityConnectivity matrixBrain regionsCanonical deltaBrain organizationBrain activityFunctional connectivityDevelopmental differencesBandCortical regionsCanonical networksCortical activityMagnetic resonance imaging measures