2012
Frontal–Occipital Connectivity During Visual Search
Pantazatos SP, Yanagihara TK, Zhang X, Meitzler T, Hirsch J. Frontal–Occipital Connectivity During Visual Search. Brain Connectivity 2012, 2: 164-175. PMID: 22708993, PMCID: PMC3621345, DOI: 10.1089/brain.2012.0072.Peer-Reviewed Original ResearchConceptsLateral occipital cortexVisual searchVisual regionsPrefrontal cortexCategory-selective visual regionsFunctional magnetic resonance imagingVentromedial prefrontal cortexSimilar neural mechanismsVisual search processDynamic causal modelingMedial prefrontal cortexComplex natural scenesMultiple task-related componentsSpatial independent component analysisTask-related componentsVisual imageryPsychophysiological interactionNeural mechanismsSearch taskObject categoriesComplex search tasksCausal modelingConnectivity findingsFrontal regionsFunctional connectivity
2008
Neural Integration of Top-Down Spatial and Feature-Based Information in Visual Search
Egner T, Monti JM, Trittschuh EH, Wieneke CA, Hirsch J, Mesulam M. Neural Integration of Top-Down Spatial and Feature-Based Information in Visual Search. Journal Of Neuroscience 2008, 28: 6141-6151. PMID: 18550756, PMCID: PMC6670545, DOI: 10.1523/jneurosci.1262-08.2008.Peer-Reviewed Original ResearchConceptsCue informationVisual searchActivation gainVisual search targetBlood oxygenation level-dependent (BOLD) responseSpatial cue informationLevel-dependent responsesSearch onsetDown biasingSpatial expectancyOculomotor planningIntraparietal sulcusSearch targetSalience mapBOLD responseSearch templateCingulate regionsNeural integrationTarget featuresHuman brainTarget locationSearch performance