2014
Resting GABA and glutamate concentrations do not predict visual gamma frequency or amplitude
Cousijn H, Haegens S, Wallis G, Near J, Stokes M, Harrison P, Nobre A. Resting GABA and glutamate concentrations do not predict visual gamma frequency or amplitude. Proceedings Of The National Academy Of Sciences Of The United States Of America 2014, 111: 9301-9306. PMID: 24927588, PMCID: PMC4078853, DOI: 10.1073/pnas.1321072111.Peer-Reviewed Original ResearchConceptsGamma peak frequencyHealthy volunteersGamma oscillationsVisual gamma activityBeamformer spatial filtering techniquesPeak frequencyCortical gamma oscillationsMagnetic resonance spectroscopyExcitatory pyramidal cellsGamma activityGamma-band oscillationsMagnetic resonance spectroscopy voxelGABAergic interneuronsMagnetic resonance spectroscopy measurementsGaussian fittingPyramidal cellsMagnetic resonance spectroscopy dataGABA levelsGamma frequenciesGABA concentrationsMeasurement of GABAGABAGlutamate concentrationOscillationsOccipital lobe
2011
Indexing the graded allocation of visuospatial attention using anticipatory alpha oscillations
Gould I, Rushworth M, Nobre A. Indexing the graded allocation of visuospatial attention using anticipatory alpha oscillations. Journal Of Neurophysiology 2011, 105: 1318-1326. PMID: 21228304, PMCID: PMC3074422, DOI: 10.1152/jn.00653.2010.Peer-Reviewed Original ResearchConceptsAllocation of visuospatial attentionVisuospatial attentionAssociated with response preparationEvent-related potential measuresPredictive of behavioral performanceTime-frequency analysis of EEG dataSpatial certaintyAlpha oscillationsLateralization of alpha-band activityCue-target intervalProcessing of targetsTop-down controlAlpha-band activityAnalysis of EEG dataAttentional goalsBehavioral performanceResponse preparationOccipitoparietal cortexNeural mechanismsAlpha lateralizationAlpha modulationReaction timeBeta bandLateralizationEEG data
1993
Electrophysiological studies of color processing in human visual cortex
Allison T, Begleiter A, McCarthy G, Roessler E, Nobre A, Spencer D. Electrophysiological studies of color processing in human visual cortex. Clinical Neurophysiology 1993, 88: 343-355. PMID: 7691559, DOI: 10.1016/0168-5597(93)90011-d.Peer-Reviewed Original ResearchConceptsInferior temporal gyrusLingual gyrusHuman visual cortexPosterior fusiform gyrusFusiform gyrusVisual cortexSignificant color effectTemporal gyrusNon-visual cortexInferior occipital cortexEpileptogenic focusOccipital cortexOccipital poleNeuronal activityAnterior fusiform gyrusElectrophysiological studiesTemporal cortexSurface cortexCheckerboard stimuliCortical regionsElectrophysiological recordingsCortexCortical processingGyrusArea V4