2008
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 adults
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