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 memoryTherapy