2021
Separating 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
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 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
1999
Fractal Analysis of Spontaneous Fluctuations in Human Cerebral Hemoglobin Content and its Oxygenation Level Recorded by NIRS
Eke A, Hermán P. Fractal Analysis of Spontaneous Fluctuations in Human Cerebral Hemoglobin Content and its Oxygenation Level Recorded by NIRS. Advances In Experimental Medicine And Biology 1999, 471: 49-55. PMID: 10659131, DOI: 10.1007/978-1-4615-4717-4_7.Peer-Reviewed Original ResearchConceptsBrain cortex
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
1994
Light Intensity Attenuation in the Rat Brain Tissue Assessed by Television Photometry
Eke A, Ikrényi C, Sárváry E. Light Intensity Attenuation in the Rat Brain Tissue Assessed by Television Photometry. Advances In Experimental Medicine And Biology 1994, 345: 643-650. PMID: 8079768, DOI: 10.1007/978-1-4615-2468-7_85.Peer-Reviewed Original ResearchConceptsWavelength rangeTime-resolved spectroscopyVisible wavelength rangeShort wavelength rangeLight intensity attenuationDirect measurementOptical pathlengthAttenuation of lightOptical approachPhoton migrationNear-Infrared LightOptical imagingAbsolute measurementsReflectometric measurementsInfrared lightIntensity attenuationNon-destructive natureLight attenuation profilesSignal contributionsAttenuation profilesTemporal resolutionMeasurementsMultiparametric imagingPhotonsLight penetration
1993
Multiparametric Imaging of Microregional Circulation over the Brain Cortex by Videoreflectometry
Eke A. Multiparametric Imaging of Microregional Circulation over the Brain Cortex by Videoreflectometry. Advances In Experimental Medicine And Biology 1993, 333: 183-191. PMID: 8362659, DOI: 10.1007/978-1-4899-2468-1_16.Peer-Reviewed Original ResearchConceptsBlood flowBrain cortexTissue microcirculationLevel of microcirculationMultiparametric imagingNutritive microcirculationParenchymal circulationMean transit timeBlood volumeMultiparametric assessmentMicrocirculationPlasma volumeRepeatable mannerSpatial resolutionTissue elementsFlowVolume flowCapillary networkCortexErythrocytesDiameter of capillariesTransit time
1992
Instrumentation and Technology for Multiparametric Mapping of Intraparenchymal Circulation in the Brain Cortex
Eke A. Instrumentation and Technology for Multiparametric Mapping of Intraparenchymal Circulation in the Brain Cortex. Advances In Experimental Medicine And Biology 1992, 317: 671-678. PMID: 1288187, DOI: 10.1007/978-1-4615-3428-0_80.Peer-Reviewed Original ResearchConceptsBrain cortexSpatial resolutionRepeatable mannerVolume flowEnergy balanceSpatial imagingTechnologyMean transit timeInstrumentationBlood volumeLevel of instrumentationMultiparametric assessmentDischarge hematocritResolution mapsPlasma volumeCapillary bedHigh-resolution mapsCortexMultiparametric mappingMm2
1989
Hematocrit Changes in the Extra- and Intraparenchymal Circulation of the Feline Brain Cortex in the Course of Global Cerebral Ischemia
Eke A. Hematocrit Changes in the Extra- and Intraparenchymal Circulation of the Feline Brain Cortex in the Course of Global Cerebral Ischemia. Advances In Experimental Medicine And Biology 1989, 248: 439-449. PMID: 2782165, DOI: 10.1007/978-1-4684-5643-1_49.Peer-Reviewed Original ResearchConceptsGlobal cerebral ischemiaCerebral ischemiaTissue hematocritMean arterial blood pressureArterial blood pressureIschemic tissue damageCerebrocortical tissueParenchymal circulationBlood pressureArterial hemorrhageBrain cortexIschemic conditionsAltered distribution patternHematocrit changesTissue damageFocal alterationsSignificant heterogeneityIschemiaHematocritControl conditionPresent studyPreliminary studyHemorrhageMicrocirculationCortex
1987
Imaging of Red Blood Cell and Plasma Dispersion in the Brain Cortex
Eke A. Imaging of Red Blood Cell and Plasma Dispersion in the Brain Cortex. Advances In Experimental Medicine And Biology 1987, 215: 21-27. PMID: 3314402, DOI: 10.1007/978-1-4684-7433-6_3.Peer-Reviewed Original Research
1985
Distribution of Cerebrocortical Microflow in Norma- and Hypertensive Rats: Studies in Ischemia
Eke A, Halsey J. Distribution of Cerebrocortical Microflow in Norma- and Hypertensive Rats: Studies in Ischemia. Advances In Experimental Medicine And Biology 1985, 191: 107-109. PMID: 3832836, DOI: 10.1007/978-1-4684-3291-6_10.Peer-Reviewed Original ResearchRedistribution of Cerebrocortical Microflow During Increased Neuronal Activity
Eke A. Redistribution of Cerebrocortical Microflow During Increased Neuronal Activity. Advances In Experimental Medicine And Biology 1985, 191: 101-105. PMID: 3832835, DOI: 10.1007/978-1-4684-3291-6_9.Peer-Reviewed Original Research
1984
Distribution of Cerebrocortical Microflow in Normo- and Hypertensive Rats
Eke A, Halsey J. Distribution of Cerebrocortical Microflow in Normo- and Hypertensive Rats. Advances In Experimental Medicine And Biology 1984, 180: 203-210. PMID: 6534100, DOI: 10.1007/978-1-4684-4895-5_19.Peer-Reviewed Original ResearchConceptsHypertensive brainHypertensive ratsCirculatory adaptationBilateral carotid ligationTransient ischemic episodesNormotensive animalsCarotid ligationVascular caliberIschemic episodesBlood flowIntraparenchymal distributionBlood contentCerebrocortical microflowRatsBrainNormotensiveIschemiaRCBFNormo
1982
Reflectometric Mapping of Microregional Blood Flow and Blood Volume in the Brain Cortex
Eke A. Reflectometric Mapping of Microregional Blood Flow and Blood Volume in the Brain Cortex. Cerebrovascular And Brain Metabolism Reviews 1982, 2: 41-53. PMID: 6801064, DOI: 10.1038/jcbfm.1982.5.Peer-Reviewed Original Research
1981
Stability of Oxygen Transmissibility During Ischemia
Eke A, Strong E, Halsey J. Stability of Oxygen Transmissibility During Ischemia. Neurological Research 1981, 3: 211-228. PMID: 6122173, DOI: 10.1080/01616412.1981.11739599.Peer-Reviewed Original Research
1979
Induced hemodilution detected by reflectometry for measuring microregional blood flow and blood volume in cat brain cortex
Eke A, Hutiray G, Kovách A. Induced hemodilution detected by reflectometry for measuring microregional blood flow and blood volume in cat brain cortex. American Journal Of Physiology 1979, 236: h759-h768. PMID: 375750, DOI: 10.1152/ajpheart.1979.236.5.h759.Peer-Reviewed Original Research
1978
Transient Metabolic and Vascular Volume Changes Following Rapid Blood Pressure Alterations Which Precede the Autoregulatory Vasodilation of Cerebrocortical Vessels
Kovách A, Dóra E, Hamar J, Eke A, Szabó L. Transient Metabolic and Vascular Volume Changes Following Rapid Blood Pressure Alterations Which Precede the Autoregulatory Vasodilation of Cerebrocortical Vessels. Advances In Experimental Medicine And Biology 1978, 94: 705-711. PMID: 207169, DOI: 10.1007/978-1-4684-8890-6_97.Peer-Reviewed Original ResearchConceptsArterial blood pressureCerebral blood flowBlood pressureBlood pressure alterationsEffect of phenoxybenzamineVascular volume changesCBF autoregulationCerebrocortical vesselsAutoregulatory vasodilationPial vesselsBlood flowPressure alterationsVascular volumeTransient decreaseMetabolic changesExact mechanismLate increasePresent studyBiphasic natureAlterationsInitial observationsVesselsPhenoxybenzamineTransitory changesVasodilation
1977
The protecting action of a combination of vasoactivating substances (CRP) on disturbances of the cerebral blood flow and metabolism and the cortical electrical activity (author's transl).
Dora E, Gyulay L, Kovach A, Eke A. The protecting action of a combination of vasoactivating substances (CRP) on disturbances of the cerebral blood flow and metabolism and the cortical electrical activity (author's transl). Drug Research 1977, 27: 108-11. PMID: 192249.Peer-Reviewed Original ResearchConceptsBlood flowMean arterial pressureDirect cortical stimulationCerebral blood flowBlood pressure dropCortical electrical activityArterial pressureCortical stimulationHemorrhagic shockNormal animalsEffects of anoxiaBeneficial effectsElectrical activityBrain circulationCortical cellsOxygen supplyFurther evidenceMetabolismMicrovessel reactions and NAD-NADH changes in cat brain cortex during cortical stimulation under normo- and hypercapnic conditions.
Gyulai L, Dora E, Eke A, Kovach A. Microvessel reactions and NAD-NADH changes in cat brain cortex during cortical stimulation under normo- and hypercapnic conditions. Acta Anatomica 1977, 183-6. PMID: 202240.Peer-Reviewed Original ResearchCerebrovascular and metabolic reactions at the CBF autoregulatory level evoked by electrical stimulation of the cat brain cortex.
Kovách A, Dóra E, Gyulai L, Eke A. Cerebrovascular and metabolic reactions at the CBF autoregulatory level evoked by electrical stimulation of the cat brain cortex. Acta Anatomica 1977, 371-4. PMID: 202242.Peer-Reviewed Original Research