2008
The Spatial Attention Network Interacts with Limbic and Monoaminergic Systems to Modulate Motivation-Induced Attention Shifts
Mohanty A, Gitelman DR, Small DM, Mesulam MM. The Spatial Attention Network Interacts with Limbic and Monoaminergic Systems to Modulate Motivation-Induced Attention Shifts. Cerebral Cortex 2008, 18: 2604-2613. PMID: 18308706, PMCID: PMC2567423, DOI: 10.1093/cercor/bhn021.Peer-Reviewed Original ResearchConceptsPosterior parietal cortexSpatial attentionPosterior cingulateAttentional targetsSpatial attention paradigmFood-related cuesStrong functional couplingAttentional biasingAttentional resourcesAttentional shiftsMotivational relevanceAttention paradigmCentral cuesAttention shiftsMotivational salienceMotivational valueMotivational informationMotivational stateMotivational needsIntraparietal sulcusOrbitofrontal cortexParietal cortexFood targetsSelective allocationMultiple domains
2005
Monetary Incentives Enhance Processing in Brain Regions Mediating Top-down Control of Attention
Small DM, Gitelman D, Simmons K, Bloise SM, Parrish T, Mesulam M. Monetary Incentives Enhance Processing in Brain Regions Mediating Top-down Control of Attention. Cerebral Cortex 2005, 15: 1855-1865. PMID: 15746002, DOI: 10.1093/cercor/bhi063.Peer-Reviewed Original ResearchConceptsSpatial expectancyVisual spatial attentionNon-directional cuesCurrent behavioral goalsControl of attentionTarget detection taskFaster reaction timesInferior parietal lobulePosterior cingulate cortexDifferent incentive conditionsValid cuesCentral cuesSpatial attentionMotivational mechanismsNeural processingMotivational incentivesUnimodal cortexBehavioral goalsLimbic mechanismsParietal lobuleAttention networkDetection taskCingulate cortexRelationship of activationIncentive conditions
2003
The posterior cingulate and medial prefrontal cortex mediate the anticipatory allocation of spatial attention
Small DM, Gitelman DR, Gregory MD, Nobre AC, Parrish TB, Mesulam M. The posterior cingulate and medial prefrontal cortex mediate the anticipatory allocation of spatial attention. NeuroImage 2003, 18: 633-641. PMID: 12667840, DOI: 10.1016/s1053-8119(02)00012-5.Peer-Reviewed Original ResearchConceptsMedial prefrontal cortexCue benefitPrefrontal cortexPosterior cingulateAttention-related areasNeutral cuesCentral cuesSpatial attentionSpatial expectancyFMRI scanningIrrelevant locationsMotivational valenceGreater activationParietal cortexBrain regionsCuesPeripheral targetsReaction timeCingulateCortexDistractibilityExpectancySignificant eventsAttentionValence