Sleep deprivation alters functioning within the neural network underlying the covert orienting of attention
Mander BA, Reid KJ, Davuluri VK, Small DM, Parrish TB, Mesulam MM, Zee PC, Gitelman DR. Sleep deprivation alters functioning within the neural network underlying the covert orienting of attention. Brain Research 2008, 1217: 148-156. PMID: 18511023, PMCID: PMC2528837, DOI: 10.1016/j.brainres.2008.04.030.Peer-Reviewed Original ResearchConceptsReaction time benefitsFunctional magnetic resonance imagingSpatial attentionPosterior cingulate cortex activationTime benefitsLeft intraparietal sulcusGoal-directed interactionsSleep-deprived individualsSleep deprivation altersInvalid cuesUninformative cuesNeural resourcesValid cuesCovert orientingSelective attentionIrrelevant locationsPCC activationIntraparietal sulcusUpcoming eventsCortex activationBrain activityNormal restPCC activityCuesYoung adultsThe 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