Nabin Koirala
he/him/his
Cards
About
Research
Publications
2024
Cross-modal plasticity in children with cochlear implant: converging evidence from EEG and functional near-infrared spectroscopy
Deroche M, Wolfe J, Neumann S, Manning J, Hanna L, Towler W, Wilson C, Bien A, Miller S, Schafer E, Gemignani J, Alemi R, Muthuraman M, Koirala N, Gracco V. Cross-modal plasticity in children with cochlear implant: converging evidence from EEG and functional near-infrared spectroscopy. Brain Communications 2024, 6: fcae175. PMID: 38846536, PMCID: PMC11154148, DOI: 10.1093/braincomms/fcae175.Peer-Reviewed Original ResearchCochlear implantationImplanted childrenCross-modal reorganizationYear old childrenAuditory association areasFunctional near-infrared spectroscopyCross-modal plasticitySilent worldNear-infrared spectroscopyVisual cortex responsesAuditory cortexCortical responsesOlder childrenResponse to environmental stimulationPromote visionsChildrenHigh-density electroencephalographyImplantationCortex responsesLow-level visual tasksVisual cortexHearingCortexAssociation areasLanguage ability
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 parametersAudiovisual integration in children with cochlear implants revealed through EEG and fNIRS
Alemi R, Wolfe J, Neumann S, Manning J, Towler W, Koirala N, Gracco V, Deroche M. Audiovisual integration in children with cochlear implants revealed through EEG and fNIRS. Brain Research Bulletin 2023, 205: 110817. PMID: 37989460, DOI: 10.1016/j.brainresbull.2023.110817.Peer-Reviewed Original ResearchHigher language abilityLow language abilityAV stimuliCochlear implantsLanguage abilityNormal hearingAudio-visual modesSchool-aged childrenAV integrationAudiovisual integrationNH childrenMultimodal processingAV stimulationAuditory regionsEEG metricsAuditory-evoked potentialsVisual informationVisual-evoked potentialsBetter languageGroup differencesCortical responsesSingle speakerSensory deprivationOccipital regionEEG dataMotor Processing in Children With Cochlear Implants as Assessed by Functional Near-Infrared Spectroscopy
Alemi R, Wolfe J, Neumann S, Manning J, Hanna L, Towler W, Wilson C, Bien A, Miller S, Schafer E, Gemignani J, Koirala N, Gracco V, Deroche M. Motor Processing in Children With Cochlear Implants as Assessed by Functional Near-Infrared Spectroscopy. Perceptual And Motor Skills 2023, 131: 74-105. PMID: 37977135, PMCID: PMC10863375, DOI: 10.1177/00315125231213167.Peer-Reviewed Original ResearchTypical hearingCochlear implantsCortical responsesFunctional Near-Infrared SpectroscopyVisual cortexBetter language skillsPotential of fNIRSRepetitive motor taskAuditory-motorSchool-aged childrenMotor cortex activityLanguage developmentMotor processingLanguage delayCortex activityLanguage skillsCognitive functionCortical activationNeural activityMotor tasksSensory inputHemoglobin concentrationHearing statusChildrenNear-Infrared SpectroscopyAssistive techniques and their added value for tremor classification in multiple sclerosis
Koirala N, Hossen A, Isaias I, Volkmann J, Muthuraman M. Assistive techniques and their added value for tremor classification in multiple sclerosis. Neural Regeneration Research 2023, 19: 977-978. PMID: 37862196, PMCID: PMC10749605, DOI: 10.4103/1673-5374.382988.Peer-Reviewed Original ResearchDynamic networks differentiate the language ability of children with cochlear implants
Koirala N, Deroche M, Wolfe J, Neumann S, Bien A, Doan D, Goldbeck M, Muthuraman M, Gracco V. Dynamic networks differentiate the language ability of children with cochlear implants. Frontiers In Neuroscience 2023, 17: 1141886. PMID: 37409105, PMCID: PMC10318154, DOI: 10.3389/fnins.2023.1141886.Peer-Reviewed Original ResearchCochlear implantationNormal hearing childrenCI groupCI childrenCohort of ageEffective connectivityConnectivity patternsHigh-density electroencephalographyBrain areasPoor language abilityPotential biomarkersHearing childrenCochlear implantsEffective interventionsOscillatory activityCompensatory adaptationNH childrenSubstantial proportionPoor language skillsOutcome successChildrenNeural differencesDensity electroencephalographyNeural underpinningsGroupAuditory evoked response to an oddball paradigm in children wearing cochlear implants
Deroche M, Wolfe J, Neumann S, Manning J, Towler W, Alemi R, Bien A, Koirala N, Hanna L, Henry L, Gracco V. Auditory evoked response to an oddball paradigm in children wearing cochlear implants. Clinical Neurophysiology 2023, 149: 133-145. PMID: 36965466, DOI: 10.1016/j.clinph.2023.02.179.Peer-Reviewed Original ResearchConceptsMismatch negativityCochlear implantsLow languageOddball paradigmPositive componentHigh languageNormal hearingReliable mismatch negativityLate positive componentN1-P2 complexAge-appropriate skillsHigh-density electroencephalographySecond positive componentP3 responseAuditory processingNH childrenP3 componentLanguage delayDifference waveformsDifferentiated childrenImplanted childrenEarly P3Better literacy skillsDevelopmental outcomesLiteracy skillsModular segregation drives causality of the dynamic oscillatory network responses during threat processing
Gonzalez-Escamilla G, Chirumamilla V, Koirala N, Anwar A, Tüscher O, Vogt J, Horstmann P, Meyer B, Bonanno G, Groppa S, Muthuraman M. Modular segregation drives causality of the dynamic oscillatory network responses during threat processing. Brain Communications 2023, 5: fcad035. PMID: 36895959, PMCID: PMC9989139, DOI: 10.1093/braincomms/fcad035.Peer-Reviewed Original Research
2022
Sensorimotor Cortical Activity during Respiratory Arousals in Obstructive Sleep Apnea
Bahr-Hamm K, Koirala N, Hanif M, Gouveris H, Muthuraman M. Sensorimotor Cortical Activity during Respiratory Arousals in Obstructive Sleep Apnea. International Journal Of Molecular Sciences 2022, 24: 47. PMID: 36613490, PMCID: PMC9820672, DOI: 10.3390/ijms24010047.Peer-Reviewed Original ResearchConceptsModerate OSA patientsSevere OSASensorimotor cortical activityOSA patientsRespiratory arousalsCortical activityObstructive sleep apnea patientsSevere OSA patientsObstructive sleep apneaSignificant decreaseSleep apnea patientsSleep stagesRaw electroencephalography dataModerate OSASleep apneaRespiratory eventsApnea patientsDifferential diagnosisSleep stage N1PatientsAutonomic activationStage N1Cortical arousalPathophysiologic traitsOSAMachine learning aided classification of tremor in multiple sclerosis
Hossen A, Anwar A, Koirala N, Ding H, Budker D, Wickenbrock A, Heute U, Deuschl G, Groppa S, Muthuraman M. Machine learning aided classification of tremor in multiple sclerosis. EBioMedicine 2022, 82: 104152. PMID: 35834887, PMCID: PMC9287478, DOI: 10.1016/j.ebiom.2022.104152.Peer-Reviewed Original Research