Testosterone 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 ResearchConceptsMotor 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 9Aging brain shows joint declines in brain within-network connectivity and between-network connectivity: a large-sample study (N > 6,000)
Du Y, Guo Y, Calhoun V. Aging brain shows joint declines in brain within-network connectivity and between-network connectivity: a large-sample study (N > 6,000). Frontiers In Aging Neuroscience 2023, 15: 1159054. PMID: 37273655, PMCID: PMC10233064, DOI: 10.3389/fnagi.2023.1159054.Peer-Reviewed Original ResearchFunctional network connectivityWithin-network connectivityCognitive control networkFunctional networksIncreased within-network connectivityDecreased within-network connectivityWhole-brain functional networksControl networkReduced functional network connectivityBetween-network connectivityWhole-brain levelNon-pathological agingSub-cortical networksIndependent component analysisBrain functional networksMode networkAging-related changesSensorimotor networkNeuroimaging dataConnectivity declineVisual networkWhole-brainBrain agingAging brainEffects of age