2018
Functional connectivity of PAG with core limbic system and laryngeal cortico-motor structures during human phonation
Galgano J, Pantazatos S, Allen K, Yanagihara T, Hirsch J. Functional connectivity of PAG with core limbic system and laryngeal cortico-motor structures during human phonation. Brain Research 2018, 1707: 184-189. PMID: 30500402, PMCID: PMC7434632, DOI: 10.1016/j.brainres.2018.11.040.Peer-Reviewed Original ResearchConceptsPeriaqueductal gray regionPsychophysiological interaction analysisFunctional connectivityDiffusion tensor imaging (DTI) analysisTrend-level evidenceNeural mechanismsBilateral auditory corticesGreater functional connectivityAmygdala couplingWhole-brain resultsDorsomedial prefrontal cortexLimbic systemMotor areaAmygdala clustersAuditory cortexLaryngeal musculatureHealthy adultsPrefrontal cortexNeuroimaging studiesNeural activityVoice disordersStructural connectivityGray regionCortexMovement paradigm
2013
Effects of Reduced Weight Maintenance and Leptin Repletion on Functional Connectivity of the Hypothalamus in Obese Humans
Hinkle W, Cordell M, Leibel R, Rosenbaum M, Hirsch J. Effects of Reduced Weight Maintenance and Leptin Repletion on Functional Connectivity of the Hypothalamus in Obese Humans. PLOS ONE 2013, 8: e59114. PMID: 23555620, PMCID: PMC3605420, DOI: 10.1371/journal.pone.0059114.Peer-Reviewed Original ResearchConceptsLeptin repletionRight hypothalamusFunctional connectivityFood cuesWeight lossGreater weight lossOrbital frontal cortexDorsal anterior cingulatePsychophysiological interaction analysisPlacebo injectionsObese subjectsObese populationLeptin injectionObese humansWeight maintenanceFrontal cortexAnterior cingulateHypothalamusFrontal poleInteroceptive systemPatient subjectsVisual areasDorsal ACCFood stimuliRepletion
2005
The neural correlates and functional integration of cognitive control in a Stroop task
Egner T, Hirsch J. The neural correlates and functional integration of cognitive control in a Stroop task. NeuroImage 2005, 24: 539-547. PMID: 15627596, DOI: 10.1016/j.neuroimage.2004.09.007.Peer-Reviewed Original ResearchConceptsCognitive controlConflict adaptationPsychophysiological interaction analysisStroop taskNeural correlatesFrontal gyrusPrefrontal cortexDistinct fronto-parietal networksEvent-related fMRI dataLow-conflict trialsHigh-conflict trialsFronto-parietal networkLateral prefrontal cortexMiddle frontal gyrusBilateral inferior frontalSuperior frontal gyrusContext-specific modulationInterference taskResponse conflictCognitive tasksConflict effectMotor processesInferior frontalNeural substratesTask performance