2023
High-throughput functional analysis of autism genes in zebrafish identifies convergence in dopaminergic and neuroimmune pathways
Mendes H, Neelakantan U, Liu Y, Fitzpatrick S, Chen T, Wu W, Pruitt A, Jin D, Jamadagni P, Carlson M, Lacadie C, Enriquez K, Li N, Zhao D, Ijaz S, Sakai C, Szi C, Rooney B, Ghosh M, Nwabudike I, Gorodezky A, Chowdhury S, Zaheer M, McLaughlin S, Fernandez J, Wu J, Eilbott J, Vander Wyk B, Rihel J, Papademetris X, Wang Z, Hoffman E. High-throughput functional analysis of autism genes in zebrafish identifies convergence in dopaminergic and neuroimmune pathways. Cell Reports 2023, 42: 112243. PMID: 36933215, PMCID: PMC10277173, DOI: 10.1016/j.celrep.2023.112243.Peer-Reviewed Original ResearchConceptsGene lossFunctional analysisHigh-throughput functional analysisZebrafish mutantsGene discoverySelect mutantsASD genesAutism genesKey pathwaysASD biologyBrain size differencesMutantsGenesSize differencesPathwayGlobal increaseRelevant mechanismsBiologyCentral challengeNeuroimmune dysfunctionRegionFunctionDiscoveryAutism spectrum disorder
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
Trait-level temporal lobe hypoactivation to social exclusion in unaffected siblings of children and adolescents with autism spectrum disorders
Bolling DZ, Pelphrey KA, 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
Oxytocin enhances brain function in children with autism
Gordon I, Vander 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 functionJudgmentsCortexChildrenOxytocinEquivalent neural responses in children and adolescents with and without autism during judgments of affect
Wyk B, Hoffman F, Pelphrey KA. Equivalent neural responses in children and adolescents with and without autism during judgments of affect. Developmental Cognitive Neuroscience 2013, 8: 121-130. PMID: 24016745, PMCID: PMC3931746, DOI: 10.1016/j.dcn.2013.08.001.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderCognitive loadNeural activationGreater cognitive loadFunction of taskFunctional connectivity analysisLonger stimulus durationsEmotion processingFMRI taskCondition contrastsNeural responsesSpectrum disorderStimulus durationBehavior measuresConnectivity analysisGroup differencesPrior researchPrevious researchEmotionsTaskChildrenValence levelsIQAutismIndividuals
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 differencesResearch Review: Constraining heterogeneity: the social brain and its development in autism spectrum disorder
Pelphrey KA, Shultz S, Hudac CM, Wyk B. Research Review: Constraining heterogeneity: the social brain and its development in autism spectrum disorder. Journal Of Child Psychology And Psychiatry 2011, 52: 631-644. PMID: 21244421, PMCID: PMC3096715, DOI: 10.1111/j.1469-7610.2010.02349.x.Peer-Reviewed Original ResearchMeSH KeywordsAmygdalaBrainBrain MappingChildChild Development Disorders, PervasiveEmotionsEndophenotypesFacial ExpressionFemaleGenetic Predisposition to DiseaseHumansIntentionMagnetic Resonance ImagingMaleNerve NetPattern Recognition, VisualPersonal Construct TheorySocializationTemporal LobeTheory of MindConceptsAutism spectrum disorderSocial information processingSuperior temporal sulcusSpectrum disorderPosterior superior temporal sulcusInformation processingSocial engagementSpecialized neural systemsModel of ASDFunctional neuroimaging researchSocial brainTemporal sulcusBrain mechanismsNeuroimaging researchSocial reciprocityRepetitive behaviorsNeural circuitryNeural systemsBrain endophenotypesDevelopmental studiesDevastating familySocial worldNeurodevelopmental disordersNeural structuresNeuroanatomical structures
2010
Neural signatures of autism
Kaiser MD, Hudac CM, Shultz S, Lee SM, Cheung C, Berken AM, Deen B, Pitskel NB, Sugrue DR, Voos AC, Saulnier CA, Ventola P, Wolf JM, Klin A, Vander Wyk B, Pelphrey KA. Neural signatures of autism. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 21223-21228. PMID: 21078973, PMCID: PMC3000300, DOI: 10.1073/pnas.1010412107.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderNeural signaturesBiological motionBrain responsesUnaffected siblingsDistinct brain responsesFunctional magnetic resonanceAreas of dysfunctionNature of disruptionTD childrenSpectrum disorderDisorder heterogeneityNeural systemsBrain circuitryBehavioral profileCompensatory activitySystem-level mechanismsTrait activityAutismChildrenIncreased genetic riskGenetic riskState activityNeuroendophenotypesDisorders