2024
Oral 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 endpointA Novel Deep Subspace Learning Framework to Automatically Uncover Assessment-Specific Independent Brain Networks
Batta I, Abrol A, Calhoun V. A Novel Deep Subspace Learning Framework to Automatically Uncover Assessment-Specific Independent Brain Networks. 2024, 00: 1-6. DOI: 10.1109/ciss59072.2024.10480204.Peer-Reviewed Original ResearchLearning frameworkBrain subsystemsSubspace learning frameworkBrain networksHigh-dimensional neuroimaging dataConvolutional neural networkLow-dimensional subspaceSupervised learning approachDeep learning frameworkStructural brain featuresPredictive performanceUnsupervised approachNeural networkAutomated frameworkDimensional subspaceAlzheimer's diseaseLearning approachBrain changesFeature importanceTraining procedureNeuroimaging dataBrain featuresSalient networkNetworkBrain disorders
2023
6 Graph Analysis of Resting State Functional Brain Networks and Associations with Cognitive Outcomes in Survivors on Pediatric Brain Tumor
Semmel E, Calhoun V, Hillary F, Morris R, King T. 6 Graph Analysis of Resting State Functional Brain Networks and Associations with Cognitive Outcomes in Survivors on Pediatric Brain Tumor. Journal Of The International Neuropsychological Society 2023, 29: 316-317. DOI: 10.1017/s135561772300437x.Peer-Reviewed Original ResearchSurvivors of pediatric brain tumorsFunctional brain networksWorking memoryBrain networksCognitive outcomesProcessing speedLong-term neuropsychological deficitsResting state functional magnetic resonance imagingFunctional magnetic resonance imagingMeasures of attentionCore cognitive skillsLong-term cognitive outcomesStructural brain changesSmall-moderate effect sizeFunctional network propertiesSurvivors of brain tumorsBrain tumor survivorsGraph metricsResting state dataGlobal efficiencyNeuropsychological deficitsNeuropsychological testsBrain changesGroup differencesIndependence in adulthoodAge-related, multivariate associations between white matter microstructure and behavioral performance in three executive function domains
Anderson J, Calhoun V, Pearlson G, Hawkins K, Stevens M. Age-related, multivariate associations between white matter microstructure and behavioral performance in three executive function domains. Developmental Cognitive Neuroscience 2023, 64: 101318. PMID: 37875033, PMCID: PMC10618425, DOI: 10.1016/j.dcn.2023.101318.Peer-Reviewed Original ResearchConceptsExecutive function domainsResponse inhibitionWhite matter microstructureLower response inhibitionStructure-cognition relationshipsEF abilitiesBehavioral performanceCognitive imbalanceNeurocognitive testsFunction domainTest performanceYoung adulthoodFractional anisotropyBrain changesAge 12Young adultsSS performanceWhite matter FA valuesGreater relianceWhite matter changesWhite matter microstructural differencesSubjects ages 12White matter skeletonIndependent componentsMultivariate associationsGraph analysis of resting state functional brain networks and associations with cognitive outcomes in survivors of pediatric brain tumor
Semmel E, Calhoun V, Hillary F, Morris R, King T. Graph analysis of resting state functional brain networks and associations with cognitive outcomes in survivors of pediatric brain tumor. Neuroimage Reports 2023, 3: 100178. DOI: 10.1016/j.ynirp.2023.100178.Peer-Reviewed Original ResearchSurvivors of pediatric brain tumorsFunctional brain networksWorking memoryBrain networksFunctional magnetic resonance imagingLong-term cognitive difficultiesCognitive outcomes in adulthoodCore cognitive skillsFunctional network propertiesOutcomes in adulthoodBrain tumor survivorsGraph metricsNeuroimaging researchNeuropsychological testsBrain changesCognitive difficultiesProcessing speedCognitive outcomesHub regionsSmall-worldCognitive skillsPost hoc analysisTumor survivorsPediatric brain tumor patientsSmall-world properties