2009
Investigation of relationships between fMRI brain networks in the spectral domain using ICA and Granger causality reveals distinct differences between schizophrenia patients and healthy controls
Demirci O, Stevens MC, Andreasen NC, Michael A, Liu J, White T, Pearlson GD, Clark VP, Calhoun VD. Investigation of relationships between fMRI brain networks in the spectral domain using ICA and Granger causality reveals distinct differences between schizophrenia patients and healthy controls. NeuroImage 2009, 46: 419-431. PMID: 19245841, PMCID: PMC2713821, DOI: 10.1016/j.neuroimage.2009.02.014.Peer-Reviewed Original ResearchConceptsFunctional network connectivitySternberg Item Recognition ParadigmTemporal lobe activationBrain networksBrain activation networksCerebral sitesHealthy controlsAuditory oddball taskPsychiatric disordersSchizophrenia patientsControl groupAOD taskCausal relationshipFMRI brain networksTime courseOddball task
2007
A method for functional network connectivity among spatially independent resting-state components in schizophrenia
Jafri MJ, Pearlson GD, Stevens M, Calhoun VD. A method for functional network connectivity among spatially independent resting-state components in schizophrenia. NeuroImage 2007, 39: 1666-1681. PMID: 18082428, PMCID: PMC3164840, DOI: 10.1016/j.neuroimage.2007.11.001.Peer-Reviewed Original ResearchConceptsFunctional network connectivityFunctional connectivityTime courseICA time coursesHealthy controlsMagnetic resonance imaging dataHealthy individualsPatientsBrain disordersBrain regionsState fMRI dataCortical processingSchizophreniaFunctional magnetic resonance imaging (fMRI) dataSpatial independent component analysisSignificant differencesBrain networksComponent time coursesTemporal relationshipCoherent brain regionsBrainFMRI dataCourseImaging dataSeed voxels