2016
Metabolic demands of neural-hemodynamic associated and disassociated areas in brain
Sanganahalli BG, Herman P, Rothman DL, Blumenfeld H, Hyder F. Metabolic demands of neural-hemodynamic associated and disassociated areas in brain. Cerebrovascular And Brain Metabolism Reviews 2016, 36: 1695-1707. PMID: 27562867, PMCID: PMC5076793, DOI: 10.1177/0271678x16664531.Peer-Reviewed Original ResearchConceptsVentral posterolateral thalamic nucleusFunctional magnetic resonance imagingMulti-unit activityLocal field potentialsMetabolic demandsPosterolateral thalamic nucleusBlood oxygenation level-dependent (BOLD) responseSensory-evoked responsesCortical local field potentialsThalamic local field potentialsMagnetic resonance imagingLevel-dependent responsesSimilar metabolic demandThalamic nucleiForelimb cortexBlood flowBlood volumeCBV responseResonance imagingLatency differenceHemodynamicsBOLD signalOxidative metabolismDifferent metabolic demandsField potentials
2013
Quantitative basis for neuroimaging of cortical laminae with calibrated functional MRI
Herman P, Sanganahalli BG, Blumenfeld H, Rothman DL, Hyder F. Quantitative basis for neuroimaging of cortical laminae with calibrated functional MRI. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 15115-15120. PMID: 23980158, PMCID: PMC3773779, DOI: 10.1073/pnas.1307154110.Peer-Reviewed Original ResearchConceptsCerebral blood volumeLocal field potentialsMultiunit activitySomatosensory cortexCortical laminaeBlood oxygenation level-dependent (BOLD) signalRat somatosensory cortexLevel-dependent signalNeurometabolic couplingCerebral cortexSuperficial laminaeCBF changesDeep laminaeMagnetic resonance imaging dataBlood flowQuantitative neuroimagingBlood volumeFunctional MRISensory stimulationBOLD signalOxidative metabolismCortexLayer-specific responsesMetabolic measurementsField potentials
2011
Where fMRI and Electrophysiology Agree to Disagree: Corticothalamic and Striatal Activity Patterns in the WAG/Rij Rat
Mishra AM, Ellens DJ, Schridde U, Motelow JE, Purcaro MJ, DeSalvo MN, Enev M, Sanganahalli BG, Hyder F, Blumenfeld H. Where fMRI and Electrophysiology Agree to Disagree: Corticothalamic and Striatal Activity Patterns in the WAG/Rij Rat. Journal Of Neuroscience 2011, 31: 15053-15064. PMID: 22016539, PMCID: PMC3432284, DOI: 10.1523/jneurosci.0101-11.2011.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainBrain MappingBrain WavesCerebral CortexCerebrovascular CirculationCorpus StriatumDisease Models, AnimalElectroencephalographyElectrophysiologyEpilepsyImage Processing, Computer-AssistedLaser-Doppler FlowmetryMagnetic Resonance ImagingNicotinic AntagonistsOxygenRatsRats, WistarThalamusTubocurarineVibrissaeConceptsCerebral blood flowCerebral blood volumeLocal field potentialsNeuronal activityLaser Doppler cerebral blood flowSubcortical structuresWAG/Rij ratsNeuronal activity decreasesHuman absence epilepsySpike-wave dischargesWAG/RijMultiunit activity recordingsFMRI signalsFunctional magnetic resonance imaging (fMRI) signalsMagnetic resonance imaging signalsFMRI decreasesCBF decreaseHemodynamic changesCerebral cortexBasal gangliaSomatosensory cortexAbsence epilepsyWhisker stimulationBlood flowAnimal models
2010
Neurovascular and Neurometabolic Couplings in Dynamic Calibrated fMRI: Transient Oxidative Neuroenergetics for Block-Design and Event-Related Paradigms
Hyder F, Sanganahalli BG, Herman P, Coman D, Maandag NJ, Behar KL, Blumenfeld H, Rothman DL. Neurovascular and Neurometabolic Couplings in Dynamic Calibrated fMRI: Transient Oxidative Neuroenergetics for Block-Design and Event-Related Paradigms. Frontiers In Neuroenergetics 2010, 2: 18. PMID: 20838476, PMCID: PMC2936934, DOI: 10.3389/fnene.2010.00018.Peer-Reviewed Original ResearchFunctional magnetic resonance imagingCerebral blood flowMulti-unit activityLocal field potentialsNeurometabolic couplingQuantitative functional magnetic resonance imagingBOLD signalCerebral metabolic rateNeural activityBlood oxygenation level-dependent (BOLD) contrastMagnetic resonance imagingMapping brain activityLevel-dependent contrastBlood flowMUA recordingsNeurophysiological parametersAnimal studiesResonance imagingBrain functionTissue poolsEvent-related paradigmField potentialsBrain activityNeural activity recordingActivity recordings