2020
Cross-frequency coupling between gamma oscillations and deep brain stimulation frequency in Parkinson’s disease
Muthuraman M, Bange M, Koirala N, Ciolac D, Pintea B, Glaser M, Tinkhauser G, Brown P, Deuschl G, Groppa S. Cross-frequency coupling between gamma oscillations and deep brain stimulation frequency in Parkinson’s disease. Brain 2020, 143: 3393-3407. PMID: 33150359, PMCID: PMC7116448, DOI: 10.1093/brain/awaa297.Peer-Reviewed Original ResearchConceptsDeep brain stimulationBrain stimulationParkinson's diseaseStimulation frequencyCross-frequency couplingMotor symptomsSubthalamic nucleusGamma oscillationsDeep Brain Stimulation FrequencyOscillatory activityPhysiological neural activityMotor function recoveryEffective deep brain stimulationHigh-frequency stimulationPathological oscillatory activityCross-frequency interactionsCortico-subcortical networksDifferent oscillatory activitiesSymptom controlParietal cortex regionsClinical effectsFunction recoverySymptom alleviationMotor impairmentSubcortical regions
2019
Large-scale network architecture and associated structural cortico-subcortical abnormalities in patients with sleep/awake-related seizures
Chiosa V, Ciolac D, Groppa S, Koirala N, Pintea B, Vataman A, Winter Y, Gonzalez-Escamilla G, Muthuraman M, Groppa S. Large-scale network architecture and associated structural cortico-subcortical abnormalities in patients with sleep/awake-related seizures. Sleep 2019, 42: zsz006. PMID: 30753617, DOI: 10.1093/sleep/zsz006.Peer-Reviewed Original ResearchConceptsAwake seizuresSleep seizuresHealthy controlsAwake stateSex-matched healthy controlsRight middle temporal cortexDifferent epilepsy typesVolume of hippocampusBrain networksMiddle temporal cortexEpilepsy typePathophysiological alterationsSubcortical abnormalitiesPatientsTemporal cortexSeizuresSubcortical regionsSuperior temporalBilateral insulaOrbitofrontal cortexSleepParietal regionsAbnormalitiesRight hemisphereStructural correlates