2024
Conduction velocity, G-ratio, and extracellular water as microstructural characteristics of autism spectrum disorder
Newman B, Jacokes Z, Venkadesh S, Webb S, Kleinhans N, McPartland J, Druzgal T, Pelphrey K, Van Horn J, Consortium F. Conduction velocity, G-ratio, and extracellular water as microstructural characteristics of autism spectrum disorder. PLOS ONE 2024, 19: e0301964. PMID: 38630783, PMCID: PMC11023574, DOI: 10.1371/journal.pone.0301964.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderSocial Communication QuestionnaireSpectrum disorderCharacteristics of autism spectrum disorderAssociated with higher scoresEtiology of autism spectrum disorderMagnetic resonance imagingNeurotypical participantsWhite matter skeletonCommunication QuestionnaireBehavioral functionsFunctional connectivityT1w/T2w ratioNeuronal differencesStructural connectivityAdolescent participantsHigher scoresConduction velocityCortexExtracellular waterDisordersResonance imagingDiffusion MRI techniques
2009
The Neural Development of an Abstract Concept of Number
Cantlon JF, Libertus ME, Pinel P, Dehaene S, Brannon EM, Pelphrey KA. The Neural Development of an Abstract Concept of Number. Journal Of Cognitive Neuroscience 2009, 21: 2217-2229. PMID: 19016605, PMCID: PMC2745480, DOI: 10.1162/jocn.2008.21159.Peer-Reviewed Original ResearchConceptsBrain mechanismsYears of lifeFunctional magnetic resonance imagingMagnetic resonance imagingInferior frontal cortexCore neural systemsFrontal cortexParietal cortexResonance imagingBrain regionsPrimate neurophysiologyDifferent notation systemsYoung childrenNeural developmentAdultsLiterate adultsCortexChildrenNumerical tasksNeural systemsAbstract conceptsAdditional supportAdult recruitsGreater degreeNumerical representation
2008
Developmental changes in category-specific brain responses to numbers and letters in a working memory task
Libertus ME, Brannon EM, Pelphrey KA. Developmental changes in category-specific brain responses to numbers and letters in a working memory task. NeuroImage 2008, 44: 1404-1414. PMID: 19027079, PMCID: PMC2659412, DOI: 10.1016/j.neuroimage.2008.10.027.Peer-Reviewed Original ResearchConceptsCategory-specific activationFunctional magnetic resonance imagingWM taskMemory taskBehavioral performanceBrain activityBrain regionsCategory-specific dissociationsLateral fusiform gyrusOccipital-temporal cortexBrain activity patternsEight-year-old childrenFace stimuliWM conditionCognitive abilitiesSemantic processingLanguage abilityLetter conditionFMRI resultsFusiform gyrusAbstract processingIntraparietal sulcusBrain responsesDigit conditionLinguistic abilities