2020
Sex differences in medial prefrontal and parietal cortex structure in children with disruptive behavior
Ibrahim K, Kalvin C, Li F, He G, Pelphrey KA, McCarthy G, Sukhodolsky DG. Sex differences in medial prefrontal and parietal cortex structure in children with disruptive behavior. Developmental Cognitive Neuroscience 2020, 47: 100884. PMID: 33254067, PMCID: PMC7704291, DOI: 10.1016/j.dcn.2020.100884.Peer-Reviewed Original ResearchConceptsDisruptive behavior disordersGray matter volumeCortical thicknessMatter volumeSex differencesDisruptive behavior severityCross-sectional studySex-specific associationsDisruptive behaviorLeft ventromedial prefrontal cortexWhole-brain analysisSurface-based morphometryStructural MRI dataHealthy controlsSex-specific differencesNeural biomarkersTarget-based treatmentVentromedial prefrontal cortexMedial prefrontalBehavior disorderPrefrontal cortexBrain structuresSupramarginal gyrusRespective controlsVmPFC volume
2019
Reduced Amygdala–Prefrontal Functional Connectivity in Children With Autism Spectrum Disorder and Co-occurring Disruptive Behavior
Ibrahim K, Eilbott JA, Ventola P, He G, Pelphrey KA, McCarthy G, Sukhodolsky DG. Reduced Amygdala–Prefrontal Functional Connectivity in Children With Autism Spectrum Disorder and Co-occurring Disruptive Behavior. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2019, 4: 1031-1041. PMID: 30979647, PMCID: PMC7173634, DOI: 10.1016/j.bpsc.2019.01.009.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderCallous-unemotional traitsAmygdala-vlPFC connectivityDisruptive behaviorAmygdala reactivityNeural mechanismsSpectrum disorderAmygdala-prefrontal functional connectivityEmotion perception taskFunctional magnetic resonance imagingVentrolateral prefrontal cortexUnderlying neural mechanismsDisruptive behavior disordersTask-specific changesRisk of aggressionEmotion dysregulationFearful facesCalm facesPerception taskFear processingAmygdala activityPsychophysiological interactionAmygdala connectivityExternalizing behaviorsAmygdala hyperactivity