2019
Cortical Excitability Dynamics During Fear Processing
Chirumamilla V, Gonzalez-Escamilla G, Koirala N, Bonertz T, von Grotthus S, Muthuraman M, Groppa S. Cortical Excitability Dynamics During Fear Processing. Frontiers In Neuroscience 2019, 13: 568. PMID: 31275095, PMCID: PMC6593288, DOI: 10.3389/fnins.2019.00568.Peer-Reviewed Original ResearchFrontal theta powerFear processingTranscranial magnetic stimulationTheta powerVisual cuesWeighted phase lag indexAlpha powerPrefrontal cortexRight dorsomedial prefrontal cortexCortical excitabilityCortical excitability dynamicsAversive unconditioned stimulusInstructed fear paradigmDorsomedial prefrontal cortexFrontal lobeVisual cue onsetStress coping behaviorTheta power changesStructural MRI scanningAlpha frequency bandCue onsetCoping behaviorsFear paradigmOccipital lobeUnconditioned stimulus
2017
Breakdown of Thalamo-Cortical Connectivity Precedes Spike Generation in Focal Epilepsies
Chiosa V, Groppa S, Ciolac D, Koirala N, Mişina L, Winter Y, Moldovanu M, Muthuraman M, Groppa S. Breakdown of Thalamo-Cortical Connectivity Precedes Spike Generation in Focal Epilepsies. Brain Connectivity 2017, 7: 309-320. PMID: 28494616, DOI: 10.1089/brain.2017.0487.Peer-Reviewed Original ResearchConceptsFrontal lobeVentral anterior nucleusThalamo-cortical connectivityFuture therapeutic approachesSpike generationFocal epileptic seizuresMedial dorsalThalamic volumeFocal epilepsyAnterior nucleusFrontal cortexTherapeutic approachesEpileptic seizuresCerebral networksCortical integrityThalamusEEG recordingsWidespread areasDistinct patternsLobeEpileptogenesisPatientsEpilepsySeizuresCortex