2022
Two-person multimodal imaging using functional near infrared spectroscopy reveals neural mechanisms for emotional contagion
Hirsch J. Two-person multimodal imaging using functional near infrared spectroscopy reveals neural mechanisms for emotional contagion. 2022, 00: 1-2. DOI: 10.1109/ipc53466.2022.9975753.Peer-Reviewed Original ResearchFacial mimicryNeural mechanismsRight temporal parietal junctionLive face-to-face interactionEmotional contagionTemporal parietal junctionInteractive social behaviorBehavioral findingsNeural resultsEmotion ratingsNeural systemsSocial behaviorEmotional meaningFacial expressionsHuman brainFace-to-face interactionImaging studiesFacial classificationEmotionsFNIRSHypothesisBrainParticipantsContagionIndividuals
2021
Bidirectional Connectivity Between Broca's Area and Wernicke's Area During Interactive Verbal Communication
Ono Y, Zhang X, Noah JA, Dravida S, Hirsch J. Bidirectional Connectivity Between Broca's Area and Wernicke's Area During Interactive Verbal Communication. Brain Connectivity 2021, 12: 210-222. PMID: 34128394, PMCID: PMC9058861, DOI: 10.1089/brain.2020.0790.Peer-Reviewed Original ResearchConceptsWernicke's areaNeural mechanismsBroca's areaDirectional connectivityHealthy adult participantsHemodynamic responseBidirectional connectivityFunctional connectivityNeural modulationBrainNeuronal informationSpeech areasNeural activityAdult participantsBrocaContrast findingsHuman brainImpact statementNeural dynamicsBrain modelFindingsWernicke'sSocial functionGranger causality analysisVerbal condition
2019
Remote photonic sensing of cerebral hemodynamic changes via temporal spatial analysis of acoustic vibrations
Ozana N, Noah JA, Zhang X, Ono Y, Hirsch J, Zalevsky Z. Remote photonic sensing of cerebral hemodynamic changes via temporal spatial analysis of acoustic vibrations. Journal Of Biophotonics 2019, 13: e201900201. PMID: 31415118, DOI: 10.1002/jbio.201900201.Peer-Reviewed Original ResearchConceptsHemodynamic changesCerebral hemodynamic changesNeural activityTask-specific neural activityVisual checkerboard stimulationHuman brain activationHemodynamic responseOccipital lobeBlood flowTissue oxygenationCheckerboard stimulationRest epochsBrain activationHemodynamic response functionHuman brainBrainRemote sensingNovel photonic methodPhysiological processesAcoustic vibrationsTemporal vibrationsTemporal-spatial analysisPhotonic sensing
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
2007
Dissociable Neural Systems Resolve Conflict from Emotional versus Nonemotional Distracters
Egner T, Etkin A, Gale S, Hirsch J. Dissociable Neural Systems Resolve Conflict from Emotional versus Nonemotional Distracters. Cerebral Cortex 2007, 18: 1475-1484. PMID: 17940084, DOI: 10.1093/cercor/bhm179.Peer-Reviewed Original ResearchConceptsTask-relevant stimuliEmotional distractersTask-irrelevant emotional stimuliAnterior cingulateSensory cortexTask-irrelevant stimuliLateral prefrontal cortexDorsal anterior cingulateFunctional magnetic resonanceRostral anterior cingulateCognitive controlConflict monitoringEmotional stimuliStimulus representationsAmygdalar responsesEmotional controlEnhanced processingResolve ConflictsEmotional conflictNeuroanatomical networksPrefrontal cortexDistractersResolution of conflictsBiasing mechanismHuman brainSeparate conflict-specific cognitive control mechanisms in the human brain
Egner T, Delano M, Hirsch J. Separate conflict-specific cognitive control mechanisms in the human brain. NeuroImage 2007, 35: 940-948. PMID: 17276088, DOI: 10.1016/j.neuroimage.2006.11.061.Peer-Reviewed Original ResearchConceptsIrrelevant stimulus featuresCognitive controlStimulus featuresModulation of activityColor-naming Stroop taskCognitive control mechanismsCognitive control systemOptimal task performanceHuman brainLevel-dependent responsesContext-sensitive mannerStroop taskResolution of stimuliStimulus representationsTask performanceParietal cortexMotor programmingPremotor cortexInformation processingControl resourcesConflict resolutionSource of conflictResolution strategiesStimuliCentral resource
2006
A 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
1997
Distinct cortical areas associated with native and second languages
Kim K, Relkin N, Lee K, Hirsch J. Distinct cortical areas associated with native and second languages. Nature 1997, 388: 171-174. PMID: 9217156, DOI: 10.1038/40623.Peer-Reviewed Original ResearchConceptsSecond languageFunctional magnetic resonance imagingMultiple language functionsLanguage-specific regionsCortical areasEssential human capacitiesFrontal cortical areasLanguage acquisitionNative languageBilingual subjectsMultiple languagesDistinct cortical areasLanguageLanguage functionBroca's areaCortical representationHuman capacityHuman brainHuman cortexAcquisition stageSeparation of activitiesMagnetic resonance imagingResonance imagingFundamental questionsAdulthood