2014
Altered brain connectivity in sagittal craniosynostosis.
Beckett JS, Brooks ED, Lacadie C, Wyk B, Jou RJ, Steinbacher DM, Constable RT, Pelphrey KA, Persing JA. Altered brain connectivity in sagittal craniosynostosis. Journal Of Neurosurgery Pediatrics 2014, 13: 690-8. PMID: 24745341, DOI: 10.3171/2014.3.peds13516.Peer-Reviewed Original ResearchConceptsDiffusion tensor imagingPosterior cingulate cortexCingulate cortexSagittal nonsyndromic craniosynostosisPrefrontal cortexRight posterior cingulate cortexBrodmann area 8Functional connectivity differencesRight middle frontal gyrusWhite matter alterationsAnterior cingulate cortexBrodmann area 7Left ventromedial prefrontal cortexAltered brain connectivityResting-state functional connectivity MRI dataMiddle frontal gyrusRight supramarginal gyrusDefault mode networkIntrinsic connectivity analysesSignificant group differencesAdolescent patientsAltered connectivityNeurocognitive morbidityHigh prevalenceRight parahippocampus
2013
Oxytocin enhances brain function in children with autism
Gordon I, Wyk B, Bennett RH, Cordeaux C, Lucas MV, Eilbott JA, Zagoory-Sharon O, Leckman JF, Feldman R, Pelphrey KA. Oxytocin enhances brain function in children with autism. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 20953-20958. PMID: 24297883, PMCID: PMC3876263, DOI: 10.1073/pnas.1312857110.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderSuperior temporal sulcusTemporal sulcusOrbitofrontal cortexLeft superior temporal sulcusMiddle frontal gyrusMedial prefrontal cortexRight orbitofrontal cortexSocial attunementSocial judgmentsMeaningful stimuliFrontal gyrusSpectrum disorderBrain activityPrefrontal cortexRight amygdalaSocial functioningFunctional MRIPremotor cortexHedonic evaluationBrain functionJudgmentsCortexChildrenOxytocinBrain mechanisms for prepulse inhibition in adults with Tourette syndrome: Initial findings
Zebardast N, Crowley MJ, Bloch MH, Mayes LC, Wyk BV, Leckman JF, Pelphrey KA, Swain JE. Brain mechanisms for prepulse inhibition in adults with Tourette syndrome: Initial findings. Psychiatry Research 2013, 214: 33-41. PMID: 23916249, PMCID: PMC3932431, DOI: 10.1016/j.pscychresns.2013.05.009.Peer-Reviewed Original ResearchConceptsTourette syndromeFunctional magnetic resonance imagingHealthy subjectsTic severityWhole-brain functional magnetic resonance imagingYale Global Tic Severity ScaleTactile startle responseCase-control study designTic Severity ScaleCortical-striatal circuitsBrain activityMagnetic resonance imagingMultiple brain regionsLeft middle frontal gyrusMiddle frontal gyrusDegree of PPIPulse-alone stimuliBlock-design fMRI paradigmTic symptomsNeuropathological dataHealthy controlsPrepulse inhibitionDevelopmental neuropsychiatric disordersSensorimotor gatingLeft caudate