2006
Predictive Codes for Forthcoming Perception in the Frontal Cortex
Summerfield C, Egner T, Greene M, Koechlin E, Mangels J, Hirsch J. Predictive Codes for Forthcoming Perception in the Frontal Cortex. Science 2006, 314: 1311-1314. PMID: 17124325, DOI: 10.1126/science.1132028.Peer-Reviewed Original ResearchConceptsFrontal cortexIncoming sensory informationMedial frontal cortexPresence of facesPerceptual ambiguityPerceptual decisionsSensory evidenceNeural representationVisual objectsSensory environmentVisual areasPredictive codingSensory informationPredictive codePerceptionCortexFaceHuman subjectsBrainObserved evidenceDecisionsAmbiguityRepresentationEvidenceObjectsA Neural Representation of Categorization Uncertainty in the Human Brain
Grinband J, Hirsch J, Ferrera VP. A Neural Representation of Categorization Uncertainty in the Human Brain. Neuron 2006, 49: 757-763. PMID: 16504950, DOI: 10.1016/j.neuron.2006.01.032.Peer-Reviewed Original ResearchConceptsCategorization uncertaintyEvent-related functional MRIFundamental cognitive functionFrontoparietal attention networkMedial frontal gyrusStimulus categorizationNeural representationParietal eye fieldsVisual objectsCategorical boundariesAnterior insulaFrontal gyrusCortical substratesAttention networkCognitive functionVentral striatumFunctional MRIPsychophysical functionsEye fieldBrain regionsHuman brainDorsomedial thalamusDiscrete categoriesInsulaThalamic network
2005
Cognitive control mechanisms resolve conflict through cortical amplification of task-relevant information
Egner T, Hirsch J. Cognitive control mechanisms resolve conflict through cortical amplification of task-relevant information. Nature Neuroscience 2005, 8: 1784-1790. PMID: 16286928, DOI: 10.1038/nn1594.Peer-Reviewed Original ResearchMeSH KeywordsAdultAttentionBehaviorBrain MappingCerebral CortexCerebrovascular CirculationCognitionConflict, PsychologicalDecision MakingFemaleFunctional LateralityHumansMagnetic Resonance ImagingMaleNerve NetNeural PathwaysNeuropsychological TestsPattern Recognition, VisualPhotic StimulationPrefrontal CortexReaction TimeVisual CortexVolitionConceptsTask-relevant informationCognitive control mechanismsTask-irrelevant informationCognitive controlTask-relevant stimulus informationCognitive control systemConflict resolutionDorsolateral prefrontal cortexHuman visual cortexAttentional biasingFace processingPerceptual processingFace stimuliStroop taskNeural representationStimulus informationResponse tendenciesOccurrence of conflictsHigh conflictPrefrontal cortexProminent modelsCortical responsesTrial levelCortical amplificationVisual cortex