2025
Identifying dynamic reproducible brain states using a predictive modelling approach
O’Connor D, Horien C, Mandino F, Constable R. Identifying dynamic reproducible brain states using a predictive modelling approach. Imaging Neuroscience 2025, 3: imag_a_00540. DOI: 10.1162/imag_a_00540.Peer-Reviewed Original ResearchMoment-to-moment changesBrain statesConnectome-based predictive modelingContinuous performance taskBrain-based modelsFunctional connectivity analysisModel of traitsFMRI-based functional connectivityDynamic functional connectivity analysisInternal mental processesFunctional connectivity mapsFunctional connectivity modelsLeft-out dataFMRI scanningPersonality traitsFunctional connectivityPerformance tasksConnectivity analysisScanning sessionMental processesModels of behaviorBrain-statesBrainConnectivity mapsTrait-based predictionsStatic and Dynamic Cross‐Network Functional Connectivity Shows Elevated Entropy in Schizophrenia Patients
Maksymchuk N, Miller R, Bustillo J, Ford J, Mathalon D, Preda A, Pearlson G, Calhoun V. Static and Dynamic Cross‐Network Functional Connectivity Shows Elevated Entropy in Schizophrenia Patients. Human Brain Mapping 2025, 46: e70134. PMID: 39924889, PMCID: PMC11808047, DOI: 10.1002/hbm.70134.Peer-Reviewed Original ResearchConceptsSZ patientsCognitive controlBrain networksFunctional connectivityHealthy controlsBrain domainsConnection strengthAnalyzed fMRI dataFunctional brain networksDiagnosed mental health conditionDynamic functional connectivityMental health conditionsSchizophrenia patientsSchizophreniaFMRI dataBrain statesEntropy correlationBrainDiseased brain statesSensorimotorControl groupK-means cluster analysisDMNConnection levelHealth conditionsImpaired spatial dynamic functional network connectivity and neurophysiological correlates in functional hemiparesis
Premi E, Cantoni V, Benussi A, Iraji A, Calhoun V, Corbo D, Gasparotti R, Tinazzi M, Borroni B, Magoni M. Impaired spatial dynamic functional network connectivity and neurophysiological correlates in functional hemiparesis. NeuroImage Clinical 2025, 45: 103731. PMID: 39764901, PMCID: PMC11762193, DOI: 10.1016/j.nicl.2025.103731.Peer-Reviewed Original ResearchDynamic functional network connectivitySomatomotor networkSalience networkFunctional network connectivityGABAergic neurotransmissionResting-state functional MRI scansResting-state fMRI dataFunctional MRI scansDynamic brain statesBrain network dynamicsStatic functional connectivityDynamic brain networksBrain networksGlutamatergic transmissionNeurophysiological correlatesFunctional connectivityTranscranial magnetic stimulation protocolFMRI dataGABAergic inhibitionMagnetic stimulation protocolBrain statesNeurotransmissionHealthy controlsDMNNetwork connectivity
2024
A function-based mapping of sensory integration along the cortical hierarchy
Wei W, Benn R, Scholz R, Shevchenko V, Klatzmann U, Alberti F, Chiou R, Wassermann D, Vanderwal T, Smallwood J, Margulies D. A function-based mapping of sensory integration along the cortical hierarchy. Communications Biology 2024, 7: 1593. PMID: 39613829, PMCID: PMC11607388, DOI: 10.1038/s42003-024-07224-z.Peer-Reviewed Original ResearchConceptsPrimary sensory signalsCognitive functionSensory integrationHigher-order cognitive functionsSensory information processingSensory signalsFunctional decodingTransmodal regionsPercentage of varianceCognitive demandsSensory processingHuman cognitionCortical hierarchyBrain statesSensory modalitiesInformation processingSensory magnitudeSensory informationPrimary cortexIntegrity changesFMRICognitionCortexBrainBiomarkers of Auditory-Verbal Hallucinations
Fisher V, Hosein G, Epié B, Powers A. Biomarkers of Auditory-Verbal Hallucinations. Advances In Neurobiology 2024, 40: 665-681. PMID: 39562460, DOI: 10.1007/978-3-031-69491-2_22.Peer-Reviewed Original ResearchA tradeoff between efficiency and robustness in the hippocampal-neocortical memory network during human and rodent sleep
Hahn M, Lendner J, Anwander M, Slama K, Knight R, Lin J, Helfrich R. A tradeoff between efficiency and robustness in the hippocampal-neocortical memory network during human and rodent sleep. Progress In Neurobiology 2024, 242: 102672. PMID: 39369838, DOI: 10.1016/j.pneurobio.2024.102672.Peer-Reviewed Original ResearchConceptsNon-REM sleepInformation coding efficiencyConsolidation processCoding efficiencyStates of disengagementPopulation codeInformation processing capacityMemory consolidationTask engagementCognitive resourcesMemory formationNeural population codesInformation-theoretic perspectiveCognitive engagementBrain statesInformation processingRobust codesIntracranial studiesMemory networkCoding regimeSleepNeocortexPattern repetitionExternal worldProcessing capacityDefining slow wave sleep without slow waves
Lendner J, Helfrich R. Defining slow wave sleep without slow waves. Trends In Neurosciences 2024, 47: 853-855. PMID: 39327160, DOI: 10.1016/j.tins.2024.09.002.Peer-Reviewed Original ResearchMultiple Intrinsic Timescales Govern Distinct Brain States in Human Sleep
Lendner J, Lin J, Larsson P, Helfrich R. Multiple Intrinsic Timescales Govern Distinct Brain States in Human Sleep. Journal Of Neuroscience 2024, 44: e0171242024. PMID: 39187378, PMCID: PMC11484545, DOI: 10.1523/jneurosci.0171-24.2024.Peer-Reviewed Original ResearchConceptsPower spectrumBrain statesDecay processAperiodic activityIntrinsic timescalesHuman intracranial electroencephalographyTimescalesDecaySpectraNeuronal oscillationsDecay functionNonrapid eye movement sleepElectrophysiological power spectrumPhysical propertiesEye movement sleepNeural populationsRegion-specific mannerHuman sleepTemporal regularityStateMovement sleepOscillationsSuperpositionPharmacological modulationCognitive and psychiatric relevance of dynamic functional connectivity states in a large (N > 10,000) children population
Fu Z, Sui J, Iraji A, Liu J, Calhoun V. Cognitive and psychiatric relevance of dynamic functional connectivity states in a large (N > 10,000) children population. Molecular Psychiatry 2024, 30: 402-413. PMID: 39085394, PMCID: PMC11746149, DOI: 10.1038/s41380-024-02683-6.Peer-Reviewed Original ResearchDynamic functional connectivity statesDynamic functional connectivityAdolescent Brain Cognitive DevelopmentCognitive performanceDynamic functional connectivity patternsSensory networksAnalysis of dynamic functional connectivityFunctional connectivity statesDefault-modeNeurological underpinningsAttention problemsPsychiatric relevanceFunctional connectivitySensorimotor networkMediation analysisCognitive developmentChild's brainBrain statesMental healthMental problemsBrain dynamicsSliding-window approachMental behaviorBrainCerebellumDynamic Functional Connectivity Correlates of Trait Mindfulness in Early Adolescence
Treves I, Marusak H, Decker A, Kucyi A, Hubbard N, Bauer C, Leonard J, Grotzinger H, Giebler M, Torres Y, Imhof A, Romeo R, Calhoun V, Gabrieli J. Dynamic Functional Connectivity Correlates of Trait Mindfulness in Early Adolescence. Biological Psychiatry Global Open Science 2024, 4: 100367. PMID: 39286525, PMCID: PMC11402920, DOI: 10.1016/j.bpsgos.2024.100367.Peer-Reviewed Original ResearchFunctional magnetic resonance imagingTrait mindfulnessFunctional connectivity analysisDynamic functional connectivity analysisBrain statesConnectivity analysisSelf-reported trait mindfulnessResting-state fMRI scansHigher trait mindfulnessPresent-moment experienceFunctional connectivity correlatesDynamic brain statesStatic functional connectivityState-of-mindTest-retest reliabilityAdolescent anxietyFMRI scanningNeural basisPsychiatric disordersDepressive symptomsNeural mechanismsLower anxietyFunctional connectivityEarly adolescenceConnectivity correlationsTask–Rest Reconfiguration Efficiency of the Reward Network Across Adolescence and Its Association With Early Life Stress and Depressive Symptoms
Lee Y, Yuan J, Winkler A, Kircanski K, Pine D, Gotlib I. Task–Rest Reconfiguration Efficiency of the Reward Network Across Adolescence and Its Association With Early Life Stress and Depressive Symptoms. Journal Of The American Academy Of Child & Adolescent Psychiatry 2024, 64: 290-300. PMID: 38878818, PMCID: PMC11638404, DOI: 10.1016/j.jaac.2024.04.018.Peer-Reviewed Original ResearchEarly life stressReward networkDepressive symptomsLife stressReconfiguration efficiencyFunctional connectivityExperiences of early life stressExposure to early life stressEffects of early life stressTask-based fMRI scansHigher levels of depressive symptomsLevels of depressive symptomsSevere early life stressReward processingAge-related associationsFMRI scanningAdolescent depressionCommunity sampleTask demandsResting-stateAsymptomatic youthOlder adolescentsEffects of ageRewardBrain statesOral ketamine effects on dynamics of functional network connectivity in patients treated for chronic suicidality
Shan Z, Can A, Mohamed A, Dutton M, Hermens D, Calhoun V, Williams L, Bennett M, Lagopoulos J. Oral ketamine effects on dynamics of functional network connectivity in patients treated for chronic suicidality. European Archives Of Psychiatry And Clinical Neuroscience 2024, 1-11. PMID: 38772940, DOI: 10.1007/s00406-024-01831-x.Peer-Reviewed Original ResearchBeck Scale for Suicide IdeationBeck Scale for Suicidal Ideation scoresChronic suicidalityFollow-upPersistent respondingScale for Suicide IdeationCognitive control statesBrain statesSuicide-preventive effectsResting-state functional MRIMechanisms of ketamineDynamic functional connectivity analysisFunctional network connectivityPost-treatment patientsCharacteristics of patientsTrial's primary endpointPost-treatmentKetamine trialsBrain mechanismsKetamine effectsKetamine treatmentSuicidal ideationBrain changesFunctional MRIPrimary endpointFrom Connectivity to Controllability: Unraveling the Brain Biomarkers of Major Depressive Disorder
Pan C, Ma Y, Wang L, Zhang Y, Wang F, Zhang X. From Connectivity to Controllability: Unraveling the Brain Biomarkers of Major Depressive Disorder. Brain Sciences 2024, 14: 509. PMID: 38790487, PMCID: PMC11119370, DOI: 10.3390/brainsci14050509.Peer-Reviewed Original ResearchMajor depressive disorderFunctional magnetic resonance imagingDepressive disorderTreatment of Major Depressive DisorderBiomarkers of major depressive disorderBrain functional networksDevelopment of precision medicine strategiesBrain regionsNetwork topology perspectiveNetwork neuroscienceBrain biomarkersBrain's abilityBrain statesPersonalized interventionsFunctional networksBrainMagnetic resonance imagingEfficacy of treatmentDisordersResonance imagingTopological perspectivePathological profileComplex dynamicsNeuroscienceLearningBrain states as wave-like motifs
Foster M, Scheinost D. Brain states as wave-like motifs. Trends In Cognitive Sciences 2024, 28: 492-503. PMID: 38582654, DOI: 10.1016/j.tics.2024.03.004.Peer-Reviewed Original ResearchSpectral Slope and Lempel–Ziv Complexity as Robust Markers of Brain States during Sleep and Wakefulness
Höhn C, Hahn M, Lendner J, Hoedlmoser K. Spectral Slope and Lempel–Ziv Complexity as Robust Markers of Brain States during Sleep and Wakefulness. ENeuro 2024, 11: eneuro.0259-23.2024. PMID: 38471778, PMCID: PMC10978822, DOI: 10.1523/eneuro.0259-23.2024.Peer-Reviewed Original ResearchConceptsImpact of sleep stagesTask engagementHealthy male human subjectsBrain statesMeasures of brain activityMale human subjectsWithin-subject designN3 sleepREM sleepSpectral slopeSleep stagesBrain activityTask performanceNeurological disordersSleepFrequency rangeHuman subjectsRobust markersLempel-Ziv complexityElectome network factors: Capturing emotional brain networks related to health and disease
Walder-Christensen K, Abdelaal K, Klein H, Thomas G, Gallagher N, Talbot A, Adamson E, Rawls A, Hughes D, Mague S, Dzirasa K, Carlson D. Electome network factors: Capturing emotional brain networks related to health and disease. Cell Reports Methods 2024, 4: 100691. PMID: 38215761, PMCID: PMC10832286, DOI: 10.1016/j.crmeth.2023.100691.Peer-Reviewed Original ResearchConceptsCognitive processesEmotional brain networksBrain networksMental disordersFunctional connectomeTranslational biomarkersBrain statesBehavioral contextDisordersHeterogeneous disorderRelevant networksPrevalence of illnessBiologically relevant networksMoodCircuit insightAffectConvergence mechanismConnectomeBrainIllnessNext-generation therapeuticsDisease etiologyTherapeutic developmentIndividuals
2023
A role for the prefrontal cortex in reward, punishment, and animal behavior: an anatomical/functional framework
Azizi S. A role for the prefrontal cortex in reward, punishment, and animal behavior: an anatomical/functional framework. Neuroscience Letters 2023, 808: 137296. DOI: 10.1016/j.neulet.2023.137296.Peer-Reviewed Original ResearchLateral prefrontal cortexPrefrontal cortexMotor association areasExecution of movementsOrbitofrontal cortexMotor informationAdaptive behaviorAssociation areasBrain's abilityIntegration hubCortexBrain statesMPFCConscious selfControl behaviorAnimal behaviorMemoryMedial partBrainImpulseOPFCMonoamineBehaviorRewardMotor6. Altered Brain Dynamics Across Bipolar Disorder and Schizophrenia During Rest and Task-Switching Revealed by Overlapping Brain States
Ye J, Sun H, Gao S, Dadashkarimi J, Rosenblatt M, Rodriguez R, Mehta S, Jiang R, Noble S, Westwater M, Scheinost D. 6. Altered Brain Dynamics Across Bipolar Disorder and Schizophrenia During Rest and Task-Switching Revealed by Overlapping Brain States. Biological Psychiatry 2023, 93: s71. DOI: 10.1016/j.biopsych.2023.02.189.Peer-Reviewed Original ResearchTopological Characteristics of 5d Spatially Dynamic Brain Networks in Schizophrenia
Salman M, Iraji A, Lewis N, Calhoun V. Topological Characteristics of 5d Spatially Dynamic Brain Networks in Schizophrenia. 2023, 00: 1-5. DOI: 10.1109/isbi53787.2023.10230513.Peer-Reviewed Original ResearchFunctional magnetic resonance imagingSchizophrenia patientsIntrinsic connectivity networksFMRI dataIndependent component analysisResting-state fMRI studiesAnalysis of fMRI dataSpatial independent component analysisHuman brain functionDynamic brain networksFMRI studyBrain networksBrain functionAberrant behaviorBrain disordersBrain statesSchizophreniaConnectivity networksMagnetic resonance imagingMulti-subject fMRI dataData-driven analysisResonance imagingDynamics of controlSpatial activityDisordersAltered Brain Dynamics Across Bipolar Disorder and Schizophrenia During Rest and Task Switching Revealed by Overlapping Brain States
Ye J, Sun H, Gao S, Dadashkarimi J, Rosenblatt M, Rodriguez R, Mehta S, Jiang R, Noble S, Westwater M, Scheinost D. Altered Brain Dynamics Across Bipolar Disorder and Schizophrenia During Rest and Task Switching Revealed by Overlapping Brain States. Biological Psychiatry 2023, 94: 580-590. PMID: 37031780, PMCID: PMC10524212, DOI: 10.1016/j.biopsych.2023.03.024.Peer-Reviewed Original ResearchConceptsAberrant brain dynamicsMultiple brain statesBipolar disorderTask-based functional magnetic resonanceFunctional magnetic resonanceAltered brain dynamicsBrain statesTask-based functional magnetic resonance imagingFunctional magnetic resonance imagingMagnetic resonance imagingHealthy control participantsBrain dynamicsSignificant group differencesMagnetic resonanceMultivariate analysisResonance imagingSchizophreniaTime pointsControl participantsGroup differencesNeural mechanismsOlder participantsPreliminary evidenceDynamic alterationsDisorders
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