2012
Cortical functional connectivity decodes subconscious, task-irrelevant threat-related emotion processing
Pantazatos SP, Talati A, Pavlidis P, Hirsch J. Cortical functional connectivity decodes subconscious, task-irrelevant threat-related emotion processing. NeuroImage 2012, 61: 1355-1363. PMID: 22484206, PMCID: PMC3393600, DOI: 10.1016/j.neuroimage.2012.03.051.Peer-Reviewed Original ResearchConceptsFunctional connectivityAffective stimuliCortical-subcortical functional connectivityFearful face processingFear-related stimuliAmygdala functional connectivityMiddle temporal gyrusCortical structuresKey limbic regionsFace processingEmotion processingFear conditionFear processingSubconscious processingAngular gyrusTemporal gyrusCortical functional connectivityRight amygdalaLimbic regionsFC featuresStimuliGyrusProcessingTraining dataPrecuneusSleep restriction leads to increased activation of brain regions sensitive to food stimuli
St-Onge MP, McReynolds A, Trivedi ZB, Roberts AL, Sy M, Hirsch J. Sleep restriction leads to increased activation of brain regions sensitive to food stimuli. American Journal Of Clinical Nutrition 2012, 95: 818-824. PMID: 22357722, PMCID: PMC3302360, DOI: 10.3945/ajcn.111.027383.Peer-Reviewed Original ResearchConceptsFood stimuliNeuronal activityHabitual sleepSleep restrictionNormal-weight menOverall neuronal activityAverage sleep durationFunctional magnetic resonance imagingMagnetic resonance imagingPartial sleep restrictionCrossover studyEpidemiologic evidenceClinical studiesNeuronal activationNucleus accumbensSleep durationFasted stateResonance imagingBrain regionsDay 6Prefrontal cortexSleepBrain activityRelative increaseStimuli
2011
Increased neuronal activity in response to food stimuli after periods of reduced sleep relative to habitual sleep in normal weight men and women
McReynolds A, Roberts A, Sy M, Hirsch J, St‐Onge M. Increased neuronal activity in response to food stimuli after periods of reduced sleep relative to habitual sleep in normal weight men and women. The FASEB Journal 2011, 25: 328.2-328.2. DOI: 10.1096/fasebj.25.1_supplement.328.2.Peer-Reviewed Original ResearchFood stimuliHabitual sleepCognitive control mechanismsNormal-weight menNon-food stimuliFunctional magnetic resonanceSleep durationSuperior frontal gyrusShort sleep conditionShort sleepImages of foodAnterior cingulate gyrusWeight menFrontal gyrusReward salienceBrain activityShort sleep durationSleep conditionsPrevalence of obesityCingulate gyrusReduced sleepStimuliH sleepSleepGyrus
2008
Comparison of contrast-response functions from multifocal visual-evoked potentials (mfVEPs) and functional MRI responses
Park JC, Zhang X, Ferrera J, Hirsch J, Hood DC. Comparison of contrast-response functions from multifocal visual-evoked potentials (mfVEPs) and functional MRI responses. Journal Of Vision 2008, 8: 8-8. PMID: 19146350, PMCID: PMC2987574, DOI: 10.1167/8.10.8.Peer-Reviewed Original ResearchConceptsBOLD fMRI responsesMultifocal visual-evoked potentialsContrast response functionsVisual-evoked potentialsFMRI responsesNeural activityFunctional MRI responsesBOLD fMRI signalMonocular mfVEPRetinotopic mapMRI responseV1 areaPattern stimuliBOLD responseFMRI signalsSame stimuliSubjectsResponseV1MfVEPStimuliMfVEPsCortexA multiplicative model for spatial interaction in the human visual cortex
Zhang X, Park JC, Salant J, Thomas S, Hirsch J, Hood DC. A multiplicative model for spatial interaction in the human visual cortex. Journal Of Vision 2008, 8: 4-4. PMID: 18831627, PMCID: PMC2987578, DOI: 10.1167/8.8.4.Peer-Reviewed Original Research
2007
Neural Dynamics of Rejection Sensitivity
Kross E, Egner T, Ochsner K, Hirsch J, Downey G. Neural Dynamics of Rejection Sensitivity. Journal Of Cognitive Neuroscience 2007, 19: 945-956. PMID: 17536965, DOI: 10.1162/jocn.2007.19.6.945.Peer-Reviewed Original ResearchConceptsRejection sensitivityCognitive controlRS individualsDorsal frontal regionsFunctional magnetic resonanceThemes of rejectionRejection stimuliAffective stimuliEmotional appraisalEmotional processingNegative valenceIndividual differencesPrefrontal structuresNeural dynamicsDistress ratingsFrontal regionsRepresentational paintingsBrain regionsR participantsStimuliPositive imageDifferential recruitmentIndividual responsesParticipantsInterest levelSeparate 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
2005
Responsivity to food stimuli in obese and lean binge eaters using functional MRI
Geliebter A, Ladell T, Logan M, Schweider T, Sharafi M, Hirsch J. Responsivity to food stimuli in obese and lean binge eaters using functional MRI. Appetite 2005, 46: 31-35. PMID: 16364498, DOI: 10.1016/j.appet.2005.09.002.Peer-Reviewed Original ResearchConceptsObese binge eatersBinge eatersAuditory stimuliFood stimuliNon-food stimuliRandom effects group analysisVentral premotor cortexRight premotor areaNon-binge eatersBinge foodsRight-handed womanFMRI scannerConcurrent motorFunctional neuroimagingFunctional MRIPremotor cortexPremotor areasBrain areasStimuliMotor behaviorEatersType foodsIndividual subjectsGroup analysisBingeHuman Cortical Specialization for Food: a Functional Magnetic Resonance Imaging Investigation 1
St-Onge MP, Sy M, Heymsfield SB, Hirsch J. Human Cortical Specialization for Food: a Functional Magnetic Resonance Imaging Investigation 1. Journal Of Nutrition 2005, 135: 1014-1018. PMID: 15867274, DOI: 10.1093/jn/135.5.1014.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingNonfood itemsFood-related stimuliSuperior temporal gyrusAppreciation of foodFood-related behaviorsRight-handed manVisual foodNeural substratesCortical specializationSpecific sensory stimuliTemporal gyrusPresentation of foodCognitive functionAnterior cingulateSensory stimuliNeural systemsParahippocampal gyrusCortical responsesCortical pathwaysBrain regionsNonfoodGyrusStimuliItems
2004
Individual Differences in Trait Anxiety Predict the Response of the Basolateral Amygdala to Unconsciously Processed Fearful Faces
Etkin A, Klemenhagen KC, Dudman JT, Rogan MT, Hen R, Kandel ER, Hirsch J. Individual Differences in Trait Anxiety Predict the Response of the Basolateral Amygdala to Unconsciously Processed Fearful Faces. Neuron 2004, 44: 1043-1055. PMID: 15603746, DOI: 10.1016/j.neuron.2004.12.006.Peer-Reviewed Original ResearchConceptsTrait anxietyFearful facesIndividual differencesDorsal amygdalaThreat-related stimuliBasolateral amygdalaSubjects' reaction timesReaction timeConscious stimuliUnconscious stimuliUnconscious processingConscious processingThreat sensitivityUnconscious perceptionUnconscious processesNeural responsesBasolateral subregionsNeural systemsAnxietyAmygdalaStimuliBiological basisProcessingFaceFMRI
1998
Representation of nociceptive stimuli in primary sensory cortex
Berman H, Kim K, Talati A, Hirsch J. Representation of nociceptive stimuli in primary sensory cortex. Neuroreport 1998, 9: 4179-4187. PMID: 9926870, DOI: 10.1097/00001756-199812210-00033.Peer-Reviewed Original ResearchConceptsHuman primary sensorimotor cortexPrimary sensorimotor cortexPrimary somatosensory cortexPrimary sensory cortexRight-handed subjectsFoot stimulationSensorimotor cortexSomatosensory cortexNociceptive stimuliSensory cortexSomatotopic mappingCortical activityPenfield's homunculusCold sensationRight handCortexSensory processingTactile stimuliThermal modalitiesFootActivated regionsSensationStimuliBody parts