2014
Physiological Basis of BOLD fMRI Decreases
Kim R, Hyder F, Blumenfeld H. Physiological Basis of BOLD fMRI Decreases. Neuromethods 2014, 88: 221-236. DOI: 10.1007/978-1-4939-0724-3_11.Peer-Reviewed Original ResearchCerebral blood flowCerebral blood volumeFMRI decreasesNeuronal activityLocal field potentialsNeuronal firingMagnetic resonance imaging (MRI) signal changesFunctional magnetic resonance imaging (fMRI) signal changesSpike-wave seizuresCortical slow oscillationsFMRI signal changesBOLD fMRI signalHippocampal seizuresSignal changesBasal gangliaDirect electrophysiological measurementsFMRI changesPhysiological basisSomatosensory stimulationBlood flowParadoxical decreaseAnimal modelsBlood volumeAnimal studiesCombined neuroimaging
1994
Dynamic Magnetic Resonance Imaging of the Rat Brain during Forepaw Stimulation
Hyder F, Behar K, Martin M, Blamire A, Shulman R. Dynamic Magnetic Resonance Imaging of the Rat Brain during Forepaw Stimulation. Cerebrovascular And Brain Metabolism Reviews 1994, 14: 649-655. PMID: 8014212, DOI: 10.1038/jcbfm.1994.81.Peer-Reviewed Original ResearchConceptsSomatosensory areaChloralose-anesthetized ratsDynamic magnetic resonance imagingMagnetic resonance imagingForelimb motorForepaw stimulationRat brainBrain mapping methodsElectrical stimulationMR signal intensityParietal cortexResonance imagingBrain tissueCoronal planeFractional signal changeStimulationSignal changesOxygenation stateSignal intensityRatsAnteriorCortexBloodBrain