1997
An fMRI study of the human cortical motor system response to increasing functional demands
Wexler B, Fulbright R, Lacadie C, Skudlarski P, Kelz M, Constable R, Gore J. An fMRI study of the human cortical motor system response to increasing functional demands. Magnetic Resonance Imaging 1997, 15: 385-396. PMID: 9223039, DOI: 10.1016/s0730-725x(96)00232-9.Peer-Reviewed Original ResearchConceptsMotor-sensory areasSupplementary motor areaFunctional magnetic resonance imagingPremotor areasMotor areaMultiple motor areasComplexity of movementCortical motor systemRight-hand finger movementsIndex finger movementsFinger movementsMagnetic resonance imagingInferior parietal areasConsistent lateralizationResonance imagingBrain regionsActivation changesMotor system responsesParietal areasHand finger movementsPreliminary reproducibility studyFMRI studySignificant main effectWeek periodGreater increase
1995
Functional magnetic resonance imaging of sensory and motor cortex: comparison with electrophysiological localization.
Puce A, Constable R, Luby M, McCarthy G, Nobre A, Spencer D, Gore J, Allison T. Functional magnetic resonance imaging of sensory and motor cortex: comparison with electrophysiological localization. Journal Of Neurosurgery 1995, 83: 262-70. PMID: 7616272, DOI: 10.3171/jns.1995.83.2.0262.Peer-Reviewed Original ResearchConceptsSensorimotor cortexFunctional magnetic resonance imagingMagnetic resonance imagingFunctional MR imagingMotor cortexElectrical stimulationResonance imagingMR imagingUseful noninvasive methodSensory tasksRefractory seizuresMedian nerveAxial gradient echo imagesNormal subjectsSensorimotor areasElectrophysiological localizationFunctional assessmentPrimary sensoryCentral sulcusThenar regionCortexMotor tasksNoninvasive methodGradient-echo imagesPatients