2023
Brain connectivity networks underlying resting heart rate variability in acute ischemic stroke
Dimova V, Welte-Jzyk C, Kronfeld A, Korczynski O, Baier B, Koirala N, Steenken L, Kollmann B, Tüscher O, Brockmann M, Birklein F, Muthuraman M. Brain connectivity networks underlying resting heart rate variability in acute ischemic stroke. NeuroImage Clinical 2023, 41: 103558. PMID: 38142520, PMCID: PMC10788522, DOI: 10.1016/j.nicl.2023.103558.Peer-Reviewed Original ResearchHeart rate variabilityAcute strokeLesion patternsStroke lesionsSex-matched normal subjectsAge-matched healthy subjectsLF powerRate variabilityAcute ischemic strokeAcute stroke patientsAcute stroke lesionsAnalysis of HRVResting-state brain networksDefault mode networkIschemic strokeStroke patientsVentral attention networkDiffusion-weighted imagesHRV alterationsSupine positionHealthy subjectsNormal subjectsBrain areasBrain regionsHRV parameters
2022
Structural brain network topological alterations in stuttering adults
Gracco V, Sares A, Koirala N. Structural brain network topological alterations in stuttering adults. Brain Communications 2022, 4: fcac058. PMID: 35368614, PMCID: PMC8971894, DOI: 10.1093/braincomms/fcac058.Peer-Reviewed Original ResearchNetwork alterationsStructural network alterationsPersistent developmental stutteringWide-spread decreasesStructural connectivity differencesNetwork-based statisticsFrontal brain regionsStructural connectomeBrain network propertiesBasal gangliaNeurodevelopmental effectsTopological alterationsSensorimotor networkDevelopmental stutteringPersistent stutteringSensorimotor integrationBrain regionsConnectivity differencesMemory-related functionsWhole-brain structural connectomesAdultsGraph theoretical measuresSpeech disordersSpeech fluencyEffect size
2019
Structural brain network fingerprints of focal dystonia
Chirumamilla V, Dresel C, Koirala N, Gonzalez-Escamilla G, Deuschl G, Zeuner K, Muthuraman M, Groppa S. Structural brain network fingerprints of focal dystonia. Therapeutic Advances In Neurological Disorders 2019, 12: 1756286419880664. PMID: 31798688, PMCID: PMC6859688, DOI: 10.1177/1756286419880664.Peer-Reviewed Original ResearchBSP patientsHFS patientsBoNT treatmentHealthy controlsFocal dystoniaHemifacial spasmSensorimotor cortexFrontal cortexTemporal cortexStructural magnetic resonance imagingReduced connectivityGray matter volumeDifferent brain regionsSymptomatic reductionMovement disordersStructural brain networksGraph-based network analysisPatientsMatter volumeBlepharospasmDystoniaParietal cortexResonance imagingBrain regionsDecreased connectivity