2023
Neural mechanisms for emotional contagion and spontaneous mimicry of live facial expressions
Hirsch J, Zhang X, Noah J, Bhattacharya A. Neural mechanisms for emotional contagion and spontaneous mimicry of live facial expressions. Philosophical Transactions Of The Royal Society B Biological Sciences 2023, 378: 20210472. PMID: 36871593, PMCID: PMC9985973, DOI: 10.1098/rstb.2021.0472.Peer-Reviewed Original ResearchConceptsEmotional contagionFacial expressionsFacial mimicryNeural correlatesAffect ratingsDyadic partnersFace processing areasRatings of emotionDistinct neural componentsShort movie clipsTwo-person paradigmFacial action unitsSpontaneous mimicryNeural underpinningsEmotional experienceNeural mechanismsSupramarginal gyrusNatural facial expressionsAction unitsRest blocksMovie clipsSocial interactionFacial classificationMovie watchersDyadic role
2007
Quantitative objective markers for upper and lower motor neuron dysfunction in ALS
Mitsumoto H, Ulu A, Pullman S, Gooch C, Chan S, Tang M, Mao X, Hays A, Floyd A, Battista V, Montes J, Hayes S, Dashnaw S, Kaufmann P, Gordon P, Hirsch J, Levin B, Rowland L, Shungu D. Quantitative objective markers for upper and lower motor neuron dysfunction in ALS. Neurology 2007, 68: 1402-1410. PMID: 17452585, DOI: 10.1212/01.wnl.0000260065.57832.87.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAmyotrophic Lateral SclerosisAspartic AcidBiomarkersCreatineDiffusion Magnetic Resonance ImagingFemaleFollow-Up StudiesHumansMagnetic Resonance SpectroscopyMaleMiddle AgedMotor CortexMotor Neuron DiseaseMotor NeuronsMuscular Atrophy, SpinalNeural ConductionProspective StudiesTranscranial Magnetic StimulationConceptsMotor unit number estimationCentral motor conduction timeMotor conduction timeAcetyl-aspartate concentrationsUMN syndromeControl subjectsTibialis anteriorConduction timeObjective markersLower motor neuron dysfunctionLower motor neuron involvementALS Functional RatingMotor neuron involvementMotor neuron dysfunctionProton MR spectroscopic imagingTranscranial magnetic stimulationRatio of NAADiffusion tensor imagingLMN syndromesDisease activityNeuron involvementNeuron dysfunctionMR spectroscopic imagingFunctional ratingObjective biomarkers
2006
Cortical reorganization following intradigital tendon transfer
Viswanathan V, Chmayssani M, Adams DJ, Hirsch J. Cortical reorganization following intradigital tendon transfer. Neuroreport 2006, 17: 1669-1673. PMID: 17047451, DOI: 10.1097/01.wnr.0000239953.60695.08.Peer-Reviewed Original Research
2004
Hypoperfusion without stroke alters motor activation in the opposite hemisphere
Krakauer JW, Radoeva PD, Zarahn E, Wydra J, Lazar RM, Hirsch J, Marshall RS. Hypoperfusion without stroke alters motor activation in the opposite hemisphere. Annals Of Neurology 2004, 56: 796-802. PMID: 15562431, DOI: 10.1002/ana.20286.Peer-Reviewed Original ResearchConceptsIpsilateral activationMiddle cerebral artery diseaseCerebral artery diseaseLarge vessel diseaseAge-matched controlsMotor-related areasNormal motor performanceFunctional magnetic resonanceHemodynamic compromiseVasomotor reactivityArtery diseaseHemispheric hypoperfusionCortical reorganizationInternal carotidHand contralateralPatientsMotor activationMotor tasksMotor performanceHypoperfusionHemispheric activationUnique activationDiseaseActivationMagnetic resonance