2011
Fractal analysis of spontaneous fluctuations of the BOLD signal in rat brain
Herman P, Sanganahalli BG, Hyder F, Eke A. Fractal analysis of spontaneous fluctuations of the BOLD signal in rat brain. NeuroImage 2011, 58: 1060-1069. PMID: 21777682, PMCID: PMC3705180, DOI: 10.1016/j.neuroimage.2011.06.082.Peer-Reviewed Original Research
2009
Fractal Characterization of Complexity in Dynamic Signals: Application to Cerebral Hemodynamics
Herman P, Kocsis L, Eke A. Fractal Characterization of Complexity in Dynamic Signals: Application to Cerebral Hemodynamics. Methods In Molecular Biology 2009, 489: 23-40. PMID: 18839086, DOI: 10.1007/978-1-59745-543-5_2.Peer-Reviewed Original ResearchConceptsCerebral hemodynamicsBrain cortexRat brain cortexLaser Doppler flowmetryAge-related stiffeningFunctional magnetic resonanceHemodynamic brain signalsDoppler flowmetryCerebral vasculatureTemporal lobeHuman studiesState of pathologyGray matterParenchymal regionsHemodynamic signalsHemodynamicsHuman brainCortexMagnetic resonanceMedical significance
2006
Nonlinear Analysis of Blood Cell Flux Fluctuations in the Rat Brain Cortex during Stepwise Hypotension Challenge
Herman P, Eke A. Nonlinear Analysis of Blood Cell Flux Fluctuations in the Rat Brain Cortex during Stepwise Hypotension Challenge. Cerebrovascular And Brain Metabolism Reviews 2006, 26: 1189-1197. PMID: 16395288, DOI: 10.1038/sj.jcbfm.9600266.Peer-Reviewed Original ResearchFractal and Noisy CBV Dynamics in Humans: Influence of Age and Gender
Eke A, Hermán P, Hajnal M. Fractal and Noisy CBV Dynamics in Humans: Influence of Age and Gender. Cerebrovascular And Brain Metabolism Reviews 2006, 26: 891-898. PMID: 16292253, DOI: 10.1038/sj.jcbfm.9600243.Peer-Reviewed Original Research
2002
Fractal characterization of complexity in temporal physiological signals
Eke A, Herman P, Kocsis L, Kozak L. Fractal characterization of complexity in temporal physiological signals. Physiological Measurement 2002, 23: r1-r38. PMID: 11876246, DOI: 10.1088/0967-3334/23/1/201.Peer-Reviewed Original ResearchConceptsFractal time series analysisFractional Brownian motionFractional Gaussian noiseMathematical formalismFractal estimatesTime series analysisBrownian motionNumerical experimentsSeries analysisFractal geometryFractal analysisScale invarianceGaussian noiseFractal toolsFractal structurePower-law scaling relationshipSignal classesFundamental propertiesMain applicationsFractal dimensionEssential featuresFractal characterizationSignal classificationFormalismModel
2001
Fractal Branching Pattern in the Pial Vasculature in the Cat
Hermán P, Kocsis L, Eke A. Fractal Branching Pattern in the Pial Vasculature in the Cat. Cerebrovascular And Brain Metabolism Reviews 2001, 21: 741-753. PMID: 11488543, DOI: 10.1097/00004647-200106000-00012.Peer-Reviewed Original Research
2000
Physiological time series: distinguishing fractal noises from motions
Eke A, Hermán P, Bassingthwaighte J, Raymond G, Percival D, Cannon M, Balla I, Ikrényi C. Physiological time series: distinguishing fractal noises from motions. Pflügers Archiv - European Journal Of Physiology 2000, 439: 403-415. PMID: 10678736, DOI: 10.1007/s004249900135.Peer-Reviewed Original Research
1997
Temporal Fluctuations in Regional Red Blood Cell Flux in the Rat Brain Cortex is a Fractal Process
Eke A, Herman P, Bassingthwaighte J, Raymond G, Balla I, Ikrényi C. Temporal Fluctuations in Regional Red Blood Cell Flux in the Rat Brain Cortex is a Fractal Process. Advances In Experimental Medicine And Biology 1997, 428: 703-709. PMID: 9500118, PMCID: PMC4121065, DOI: 10.1007/978-1-4615-5399-1_98.Peer-Reviewed Original Research