2021
Electrophysiological signatures of inhibitory control in children with Tourette syndrome and attention-deficit/hyperactivity disorder
Morand-Beaulieu S, Smith SD, Ibrahim K, Wu J, Leckman JF, Crowley MJ, Sukhodolsky DG. Electrophysiological signatures of inhibitory control in children with Tourette syndrome and attention-deficit/hyperactivity disorder. Cortex 2021, 147: 157-168. PMID: 35042055, PMCID: PMC8816877, DOI: 10.1016/j.cortex.2021.12.006.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderGo/NoGo taskFrontal midline theta oscillationsFrontal midline theta powerEvent-related potentialsNoGo taskHyperactivity disorderInhibitory controlTheta powerTheta oscillationsP300 latencyInhibitory control abilitiesDense-array EEG recordingsDistinct electrophysiological profileTourette syndromeNeural underpinningsElectrophysiological correlatesTask performanceBehavioral performanceElectrophysiological signaturesP300 componentBrain activityN200Control abilityTask
2020
Fixel-Based Diffusion Magnetic Resonance Imaging Reveals Novel Associations Between White Matter Microstructure and Childhood Aggressive Behavior
Grazioplene R, Tseng WL, Cimino K, Kalvin C, Ibrahim K, Pelphrey KA, Sukhodolsky DG. Fixel-Based Diffusion Magnetic Resonance Imaging Reveals Novel Associations Between White Matter Microstructure and Childhood Aggressive Behavior. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2020, 5: 490-498. PMID: 32144044, PMCID: PMC7214205, DOI: 10.1016/j.bpsc.2019.12.018.Peer-Reviewed Original ResearchConceptsWhite matter densityCorpus callosumFiber densityAggressive behaviorCingulum bundleAbnormal interhemispheric connectivityHealthy control childrenWhite matter abnormalitiesAttention-deficit/hyperactivity disorderMiddle cerebellar peduncleSuperior thalamic radiationMagnetic resonance imagingInferior fronto-occipital fasciculusWhole-brain analysisInferior longitudinal fasciculusFronto-occipital fasciculusPotential neural mechanismsWhite matter microstructureDiffusion magnetic resonance imagingInterhemispheric connectivityCortical pathwaysCerebellar peduncleChild Behavior ChecklistThalamic radiationFiber bundle density