1999
A large-scale distributed network for covert spatial attention
Gitelman D, Nobre A, Parrish T, LaBar K, Kim Y, Meyer J, Mesulam M. A large-scale distributed network for covert spatial attention. Brain 1999, 122: 1093-1106. PMID: 10356062, DOI: 10.1093/brain/122.6.1093.Peer-Reviewed Original ResearchConceptsSpatial attention taskSpatial attentionAttention taskParietal cortexInhibition of eye movementsTemporo-occipital activationTemporo-occipital cortexLateral premotor cortexRight parietal cortexPosterior parietal cortexTemporo-occipital areasCovert spatial attentionCognitive controlAnterior insulaWorking memoryCingulate cortexRight hemisphereAttention shiftsSubcortical activityPremotor cortexFunctional MRIAttentional focusExperimental tasksCerebral activityBasal ganglia
1997
Functional localization of the system for visuospatial attention using positron emission tomography.
Nobre A, Sebestyen G, Gitelman D, Mesulam M, Frackowiak R, Frith C. Functional localization of the system for visuospatial attention using positron emission tomography. Brain 1997, 120: 515-533. PMID: 9126062, DOI: 10.1093/brain/120.3.515.Peer-Reviewed Original ResearchConceptsShifts of attentionVisuospatial attentionAttention taskNeural systemsRight anterior cingulate gyrusCovert shifts of attentionPatterns of neural activityRight posterior parietal cortexAnterior cingulate gyrusLateral premotor cortexPosterior parietal cortexIndividual-subject levelRegional functional specializationIntraparietal sulcusCingulate gyrusParietal cortexTarget stimuliAttention conditionCovert shiftsPremotor cortexPeripheral cuesCortical regionsSpatial attentionNeural activityBehavioral studies
1996
Cortical Activation in the Human Brain during Lateral Saccades Using EPISTAR Functional Magnetic Resonance Imaging
Darby D, Nobre A, Thangaraj V, Edelman R, Mesulam M, Warach S. Cortical Activation in the Human Brain during Lateral Saccades Using EPISTAR Functional Magnetic Resonance Imaging. NeuroImage 1996, 3: 53-62. PMID: 9345475, DOI: 10.1006/nimg.1996.0006.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingSaccadic eye movementsLocalized signal increasesEchoplanar functional magnetic resonance imagingSuperior medial frontal regionsEye movementsMedial frontal regionsPutative frontal eye fieldFrontal eye fieldMagnetic resonance imagingHorizontal saccadic eye movementsSignal increaseSaccade-related activityParietal activationBehavioral tasksHuman FEFPremotor cortexCortical substratesFrontal regionsPrecentral regionSaccade taskEye fieldResonance imagingCortical activityMeasuring signal intensity changes