2016
Intranasal Oxytocin Enhances Connectivity in the Neural Circuitry Supporting Social Motivation and Social Perception in Children with Autism
Gordon I, Jack A, Pretzsch CM, Vander Wyk B, Leckman JF, Feldman R, Pelphrey KA. Intranasal Oxytocin Enhances Connectivity in the Neural Circuitry Supporting Social Motivation and Social Perception in Children with Autism. Scientific Reports 2016, 6: 35054. PMID: 27845765, PMCID: PMC5109935, DOI: 10.1038/srep35054.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderIntranasal oxytocinSocial motivationSocial perceptionSocial-emotional informationFunctional magnetic resonance imagingPlacebo-controlled crossover designBiological motionSocial stimuliAngry voicesSocial deficitsSpectrum disorderOT administrationMesolimbic reward pathwayBehavioral treatmentBrain rewardReduced connectivityBrain regionsReward pathwayCortical sitesRewardPerceptionMotivationOxytocinBrain sites
2015
Unlike adults, children and adolescents show predominantly increased neural activation to social exclusion by members of the opposite gender
Bolling DZ, Pelphrey KA, Vander Wyk B. Unlike adults, children and adolescents show predominantly increased neural activation to social exclusion by members of the opposite gender. Social Neuroscience 2015, 11: 475-486. PMID: 26592311, PMCID: PMC4976300, DOI: 10.1080/17470919.2015.1117019.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingNeural correlatesGroup membershipOnline ball-tossing gameSocial exclusionAnterior cingulate responsesBall-tossing gameSocial anxiety disorderOpposite genderSocio-emotional developmentDifferential neural correlatesAnterior cingulate cortexPrevious adult studiesPeer rejectionCingulate responseBrain responsesPeer relationsNeural activationAnxiety disordersCingulate cortexMain effectCurrent studyAdolescenceIncreased activationAdolescentsTrait-level temporal lobe hypoactivation to social exclusion in unaffected siblings of children and adolescents with autism spectrum disorders
Bolling DZ, Pelphrey KA, Vander Wyk B. Trait-level temporal lobe hypoactivation to social exclusion in unaffected siblings of children and adolescents with autism spectrum disorders. Developmental Cognitive Neuroscience 2015, 13: 75-83. PMID: 26011751, PMCID: PMC4470300, DOI: 10.1016/j.dcn.2015.04.007.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderSpectrum disorderPosterior superior temporal sulcusUnaffected siblingsAtypical neural processingSocial exclusionFunctional magnetic resonance imagingSuperior temporal sulcusAbnormal neural responsesAnterior temporoparietal junctionAnterior cingulate cortexEmotion processingTemporoparietal junctionNegative affectTemporal sulcusNeural processingBrain responsesNeural endophenotypesNeural responsesNeural activationCingulate cortexNeural circuitrySocial experienceASD probandsPowerful feelings
2013
Brain mechanisms for prepulse inhibition in adults with Tourette syndrome: Initial findings
Zebardast N, Crowley MJ, Bloch MH, Mayes LC, Vander 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
2012
Neural Mechanisms of Improvements in Social Motivation After Pivotal Response Treatment: Two Case Studies
Voos AC, Pelphrey KA, Tirrell J, Bolling DZ, Wyk B, Kaiser MD, McPartland JC, Volkmar FR, Ventola P. Neural Mechanisms of Improvements in Social Motivation After Pivotal Response Treatment: Two Case Studies. Journal Of Autism And Developmental Disorders 2012, 43: 1-10. PMID: 23104615, PMCID: PMC4999079, DOI: 10.1007/s10803-012-1683-9.Peer-Reviewed Original ResearchConceptsPivotal Response TreatmentAutism spectrum disorderSocial stimuliResponse treatmentFunctional magnetic resonance imagingYoung childrenNeural correlatesSocial motivationSocial skillsSocial perceptionNeural mechanismsNeural responsesBehavioral measuresSpectrum disorderSocial communicationBehavioral treatmentEye trackingNeural systemsAdaptive behaviorBrain regionsBaseline measuresStriking gainsStimuliChildrenPositive effect
2011
Enhanced neural responses to rule violation in children with autism: A comparison to social exclusion
Bolling DZ, Pitskel NB, Deen B, Crowley MJ, McPartland JC, Kaiser MD, Vander Wyk BC, Wu J, Mayes LC, Pelphrey KA. Enhanced neural responses to rule violation in children with autism: A comparison to social exclusion. Developmental Cognitive Neuroscience 2011, 1: 280-294. PMID: 21743819, PMCID: PMC3129780, DOI: 10.1016/j.dcn.2011.02.002.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderFunctional magnetic resonance imagingRight insulaVentral anterior cingulate cortexSocial exclusionAtypical neural networksRule violationsBall-tossing gameDorsal prefrontal cortexRepetitive behavior patternsAnterior cingulate cortexASD groupNeural correlatesBrain responsesSocial impairmentNeural responsesCharacteristic deficitsSpectrum disorderNeurobiological differencesPrefrontal cortexCingulate cortexFunctional connectivityComparable gamesInsulaGroup differences
2010
Brain mechanisms for representing what another person sees
Heyda RD, Green SR, Vander Wyk B, Morris JP, Pelphrey KA. Brain mechanisms for representing what another person sees. NeuroImage 2010, 50: 693-700. PMID: 20056152, PMCID: PMC2824003, DOI: 10.1016/j.neuroimage.2009.12.101.Peer-Reviewed Original ResearchConceptsExtrastriate body areaParahippocampal place areaFunctional magnetic resonance imagingSocial cognitionVisual attentionDual-role hypothesisAttribution hypothesisPerson's visual attentionWhole-brain analysisSocial brainStimulus categoriesBrain mechanismsPlace areaVisible stimuliVisual regionsSame stimuliBrain regionsInterest analysisCognitionStimuliParticipants' viewsSpecific categoriesMagnetic resonance imagingExtrastriateHypothesis