Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsAndras Eke, MD, PhD
Professor AdjunctAbout
Research
Publications
2023
Fingerprints of decreased cognitive performance on fractal connectivity dynamics in healthy aging
Kaposzta Z, Czoch A, Mukli P, Stylianou O, Liu D, Eke A, Racz F. Fingerprints of decreased cognitive performance on fractal connectivity dynamics in healthy aging. GeroScience 2023, 46: 713-736. PMID: 38117421, PMCID: PMC10828149, DOI: 10.1007/s11357-023-01022-x.Peer-Reviewed Original ResearchHealthy elderly individualsHealthy agingFunctional connectivityElderly individualsConnectivity strengthCognitive performanceBrain functional connectivityDynamic functional connectivity studiesFuture intervention strategiesFunctional connectivity studiesAge-related cognitive declineCognitive performance scoresResponse latencyElderly populationCognitive declineAge groupsSubject cohortYounger groupCognitive functionPotential targetSpearman correlationSubset of connectionsIntervention strategiesElectroencephalography recordingsFunctional connectionsResting-state fractal brain connectivity is associated with impaired cognitive performance in healthy aging
Czoch A, Kaposzta Z, Mukli P, Stylianou O, Eke A, Racz F. Resting-state fractal brain connectivity is associated with impaired cognitive performance in healthy aging. GeroScience 2023, 46: 473-489. PMID: 37458934, PMCID: PMC10828136, DOI: 10.1007/s11357-023-00836-z.Peer-Reviewed Original ResearchAge-related cognitive declineCognitive performanceCognitive declineBrain connectivityHealthy agingImpaired cognitive performanceComprehensive cognitive evaluationFunctional brain connectivityYoung control participantsVisual memoryAttention domainFrontoparietal connectionsTask performanceCognitive evaluationNeurophysiological markersMental workloadCognitive functionNeurophysiological basisControl participantsResponse latencyBrain regionsElectroencephalography (EEG) measurementsReduced performanceReaction timeEEG data
2022
Scale-Free Functional Brain Networks Exhibit Increased Connectivity, Are More Integrated and Less Segregated in Patients with Parkinson’s Disease following Dopaminergic Treatment
Stylianou O, Kaposzta Z, Czoch A, Stefanovski L, Yabluchanskiy A, Racz F, Ritter P, Eke A, Mukli P. Scale-Free Functional Brain Networks Exhibit Increased Connectivity, Are More Integrated and Less Segregated in Patients with Parkinson’s Disease following Dopaminergic Treatment. Fractal And Fractional 2022, 6: 737. PMID: 38106971, PMCID: PMC10723163, DOI: 10.3390/fractalfract6120737.Peer-Reviewed Original ResearchHealthy control individualsMini-Mental State ExaminationDopaminergic treatmentParkinson's diseaseFunctional connectivityMental State ExaminationStandard therapyPD patientsPD populationHC groupState ExaminationFunctional brain networksControl individualsPharmacological studiesSignificant positive correlationDiseaseBrain networksPatientsCognitive performanceAdult Reading TestPositive correlationTreatmentLong-term memoryTherapyReal-Time Algorithm for Detrended Cross-Correlation Analysis of Long-Range Coupled Processes
Kaposzta Z, Czoch A, Stylianou O, Kim K, Mukli P, Eke A, Racz F. Real-Time Algorithm for Detrended Cross-Correlation Analysis of Long-Range Coupled Processes. Frontiers In Physiology 2022, 13: 817268. PMID: 35360238, PMCID: PMC8963246, DOI: 10.3389/fphys.2022.817268.Peer-Reviewed Original ResearchMental state monitoringReal timeState monitoringReal-time acquisitionExecution timeOnline algorithmOffline variantFast algorithmTime algorithmAlgorithmPearson cross-correlation coefficientParallel estimationCoupled ProcessesDiverse fieldsEntire signalAnalysis techniquesCross-correlation coefficientSet of signalsNon-stationary signalsMultiple-Resampling Cross-Spectral Analysis: An Unbiased Tool for Estimating Fractal Connectivity With an Application to Neurophysiological Signals
Racz F, Czoch A, Kaposzta Z, Stylianou O, Mukli P, Eke A. Multiple-Resampling Cross-Spectral Analysis: An Unbiased Tool for Estimating Fractal Connectivity With an Application to Neurophysiological Signals. Frontiers In Physiology 2022, 13: 817239. PMID: 35321422, PMCID: PMC8936508, DOI: 10.3389/fphys.2022.817239.Peer-Reviewed Original Research
2021
Multifractal Functional Connectivity Analysis of Electroencephalogram Reveals Reorganization of Brain Networks in a Visual Pattern Recognition Paradigm
Stylianou O, Racz F, Kim K, Kaposzta Z, Czoch A, Yabluchanskiy A, Eke A, Mukli P. Multifractal Functional Connectivity Analysis of Electroencephalogram Reveals Reorganization of Brain Networks in a Visual Pattern Recognition Paradigm. Frontiers In Human Neuroscience 2021, 15: 740225. PMID: 34733145, PMCID: PMC8558231, DOI: 10.3389/fnhum.2021.740225.Peer-Reviewed Original ResearchFunctional connectivityHigher-order brain functionsFunctional connectivity analysisEyes-open stateBrain reorganizationHealthy volunteersBrain regionsBrain functionBrain connectivityDiseased populationsAnatomical networksSuccess rateFunctional couplingBrain networksEndpoint parametersNeuronal assembliesHuman brainConnectivity analysisObserved regional heterogeneityRecognition trialsLevelsRegional heterogeneityBrainTrialsRecognition paradigmCorrigendum: Two-Tiered Response of Cardiorespiratory-Cerebrovascular Network to Orthostatic Challenge
Mukli P, Nagy Z, Racz F, Portoro I, Hartmann A, Stylianou O, Debreczeni R, Bereczki D, Eke A. Corrigendum: Two-Tiered Response of Cardiorespiratory-Cerebrovascular Network to Orthostatic Challenge. Frontiers In Physiology 2021, 12: 685417. PMID: 33967839, PMCID: PMC8098711, DOI: 10.3389/fphys.2021.685417.Peer-Reviewed Original ResearchTwo-Tiered Response of Cardiorespiratory-Cerebrovascular Network to Orthostatic Challenge
Mukli P, Nagy Z, Racz F, Portoro I, Hartmann A, Stylianou O, Debreczeni R, Bereczki D, Eke A. Two-Tiered Response of Cardiorespiratory-Cerebrovascular Network to Orthostatic Challenge. Frontiers In Physiology 2021, 12: 622569. PMID: 33737882, PMCID: PMC7960776, DOI: 10.3389/fphys.2021.622569.Peer-Reviewed Original ResearchArterial blood pressureCerebral hemodynamicsBlood pressureOrthostatic stressPostural changesCerebral blood flow velocityHigh-pressure baroreflexesHomeostatic mechanismsPair-wise Pearson correlationBlood flow velocityYoung healthy adultsKey homeostatic mechanismCerebral autoregulationOrthostatic challengeCerebrovascular dynamicsHealthy adultsBreath intervalNon-invasive measurementHemodynamicsTwo-tiered responseHbT signalsOxygenationPhysiological perturbationsPearson correlationPhysiological systemsScale-Free Coupled Dynamics in Brain Networks Captured by Bivariate Focus-Based Multifractal Analysis
Stylianou O, Racz F, Eke A, Mukli P. Scale-Free Coupled Dynamics in Brain Networks Captured by Bivariate Focus-Based Multifractal Analysis. Frontiers In Physiology 2021, 11: 615961. PMID: 33613302, PMCID: PMC7887319, DOI: 10.3389/fphys.2020.615961.Peer-Reviewed Original ResearchSeparating scale‐free and oscillatory components of neural activity in schizophrenia
Racz F, Farkas K, Stylianou O, Kaposzta Z, Czoch A, Mukli P, Csukly G, Eke A. Separating scale‐free and oscillatory components of neural activity in schizophrenia. Brain And Behavior 2021, 11: e02047. PMID: 33538105, PMCID: PMC8119820, DOI: 10.1002/brb3.2047.Peer-Reviewed Original Research
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