2015
Distributions of Irritative Zones Are Related to Individual Alterations of Resting-State Networks in Focal Epilepsy
Song Y, Sanganahalli BG, Hyder F, Lin WC, Riera JJ. Distributions of Irritative Zones Are Related to Individual Alterations of Resting-State Networks in Focal Epilepsy. PLOS ONE 2015, 10: e0134352. PMID: 26226628, PMCID: PMC4520590, DOI: 10.1371/journal.pone.0134352.Peer-Reviewed Original ResearchConceptsInterictal epileptiform dischargesResting-state networksFocal epilepsyIrritative zoneBOLD responseType of epilepsyConnected brain areasLevel-dependent responsesDefault mode networkFocal epileptogenesisChronic modelBOLD deactivationEpileptiform dischargesBrain areasAltered spatial patternSubcortical structuresEpilepsyMode networkEEG recordingsAlterationsDifferent brain modulesConnectivity patternsIndividual alterationsBrain modulesDifferent manifestations
2013
Mitochondrial Functional State Impacts Spontaneous Neocortical Activity and Resting State fMRI
Sanganahalli BG, Herman P, Hyder F, Kannurpatti SS. Mitochondrial Functional State Impacts Spontaneous Neocortical Activity and Resting State fMRI. PLOS ONE 2013, 8: e63317. PMID: 23650561, PMCID: PMC3641133, DOI: 10.1371/journal.pone.0063317.Peer-Reviewed Original ResearchConceptsSpontaneous neuronal activityNeuronal activityCerebral blood flow fluctuationsFunctional connectivityRelevant translational modelState functional connectivityTraumatic brain injuryBlood flow fluctuationsIntrinsic brain activityBrain functional connectivityResting-state fMRIMitochondrial functional stateNeuronal electrical activityFunctional stateReduced RSFCNeural metabolismBrain injuryHemodynamic fluctuationsHemodynamic responseMCU inhibitionNeocortical activityBOLD fluctuationsTranslational modelState fMRIBOLD response
2012
Analysis of Time and Space Invariance of BOLD Responses in the Rat Visual System
Bailey CJ, Sanganahalli BG, Herman P, Blumenfeld H, Gjedde A, Hyder F. Analysis of Time and Space Invariance of BOLD Responses in the Rat Visual System. Cerebral Cortex 2012, 23: 210-222. PMID: 22298731, PMCID: PMC3513959, DOI: 10.1093/cercor/bhs008.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingGeneral linear modelingSuperior colliculusBOLD responseBasal blood flowNeural activityRat visual systemBlood oxygenation level-dependent (BOLD) responsePrimary visual cortexMagnetic resonance imagingLevel-dependent responsesNeurovascular couplingRat brainBlood flowVisual cortexResonance imagingStimulation paradigmV1 signalsLight flashesOnset/Neural signalsResponseV1Visual systemColliculus