2024
Effects of endogenous testosterone on oscillatory activity during verbal working memory in youth
Killanin A, Ward T, Embury C, Calhoun V, Wang Y, Stephen J, Picci G, Heinrichs‐Graham E, Wilson T. Effects of endogenous testosterone on oscillatory activity during verbal working memory in youth. Human Brain Mapping 2024, 45: e26774. PMID: 38949599, PMCID: PMC11215982, DOI: 10.1002/hbm.26774.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBrainBrain MappingChildFemaleHumansMagnetoencephalographyMaleMemory, Short-TermSalivaSex CharacteristicsTestosteroneConceptsVerbal working memoryVerbal working memory processingWorking memory processesWorking memoryEffects of chronological ageEndogenous testosterone levelsMemory processesOscillatory activitySternberg verbal working memory taskEffects of testosteroneLeft-lateralized language networkVerbal working memory taskAlpha oscillationsSalivary testosterone samplesWorking memory encodingWorking memory taskLeft temporal cortexRight cerebellar cortexNeural oscillatory activitySignificant oscillatory responsesNeural oscillatory dynamicsHuman brain structureCerebellar cortexYouth aged 6Chronological age
2023
Developmental changes in endogenous testosterone have sexually‐dimorphic effects on spontaneous cortical dynamics
Picci G, Ott L, Penhale S, Taylor B, Johnson H, Willett M, Okelberry H, Wang Y, Calhoun V, Stephen J, Wilson T. Developmental changes in endogenous testosterone have sexually‐dimorphic effects on spontaneous cortical dynamics. Human Brain Mapping 2023, 44: 6043-6054. PMID: 37811842, PMCID: PMC10619376, DOI: 10.1002/hbm.26496.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBrainChildFemaleFrontal LobeHumansMagnetic Resonance ImagingMagnetoencephalographyMalePrefrontal CortexTestosteroneConceptsCortical activityRobust sex differencesFunctional brain developmentTypically-developing youthSpontaneous cortical activityLowest relative powerCortical dynamicsEndogenous testosteronePrefrontal cortexExecutive functionFrontal cortexPubertal hormonesNeural circuitryResting-stateStructural MRIEffects of testosteroneSex differencesEffects of endogenous testosteroneDevelopmental changesBrain developmentReverse patternBehavioral changesGamma activityDevelopmental windowDevelopmental patternsDevelopmental alterations in the neural oscillatory dynamics underlying attentional reorienting
Picci G, Ott L, Petro N, Casagrande C, Killanin A, Rice D, Coutant A, Arif Y, Embury C, Okelberry H, Johnson H, Springer S, Pulliam H, Wang Y, Calhoun V, Stephen J, Heinrichs-Graham E, Taylor B, Wilson T. Developmental alterations in the neural oscillatory dynamics underlying attentional reorienting. Developmental Cognitive Neuroscience 2023, 63: 101288. PMID: 37567094, PMCID: PMC10432959, DOI: 10.1016/j.dcn.2023.101288.Peer-Reviewed Original ResearchConceptsAllocation of attentionBrain regionsFlexible allocation of attentionNetwork of brain regionsProtracted developmental coursePrefrontal brain regionsBrain-behavior associationsFronto-parietal networkHigher-order visual regionsNetwork of regionsAge-related improvementsTheta oscillatory activitySignificant oscillatory responsesNeural oscillatory dynamicsAttentional reorientingBehavioral performanceDevelopmental improvementCognitive processesDevelopmental courseHealthy youthTheta oscillationsVisual regionsMagnetoencephalography dataFunction of ageFlexible allocationDevelopmental differences in functional organization of multispectral networks
Petro N, Picci G, Embury C, Ott L, Penhale S, Rempe M, Johnson H, Willett M, Wang Y, Stephen J, Calhoun V, Doucet G, Wilson T. Developmental differences in functional organization of multispectral networks. Cerebral Cortex 2023, 33: 9175-9185. PMID: 37279931, PMCID: PMC10505424, DOI: 10.1093/cercor/bhad193.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBrainBrain MappingChildFemaleHumansLimbic LobeMagnetic Resonance ImagingMagnetoencephalographyMaleNeural PathwaysRestConceptsSpontaneous cortical activityPhase coherenceImaginary partFunctional magnetic resonance imaging measuresConsistent with previous workFunctional brain organizationLimbic cortical regionsFunctional organizationBrain connectivityFunction of increasing ageEyes-closed restGamma bandSpectral specificityConnectivity matrixBrain regionsCanonical deltaBrain organizationBrain activityFunctional connectivityDevelopmental differencesBandCortical regionsCanonical networksCortical activityMagnetic resonance imaging measuresTestosterone levels mediate the dynamics of motor oscillatory coding and behavior in developing youth
Killanin A, Taylor B, Embury C, Picci G, Wang Y, Calhoun V, Stephen J, Heinrichs-Graham E, Wilson T. Testosterone levels mediate the dynamics of motor oscillatory coding and behavior in developing youth. Developmental Cognitive Neuroscience 2023, 61: 101257. PMID: 37236034, PMCID: PMC10232658, DOI: 10.1016/j.dcn.2023.101257.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultChildHumansMagnetoencephalographyMotor CortexMovementReaction TimeTestosteroneYoung AdultConceptsMotor performanceEffects of ageSalivary testosterone samplesMotor sequence taskMultiple mediation modelMovement-related beta activityBeta oscillatory dynamicsMeasures of motor performanceYouth aged 9Complex motor performanceLeft primary motor cortexPubertal transition periodBeta activitySequencing taskTestosterone samplesMediation modelMotor planningMotor regionsTask behaviorPrimary motor cortexDevelopmental changesBehavior indexYoung adulthoodTestosterone levelsAged 9