2024
Absence of BOLD adaptation in chronic fatigue syndrome revealed by task functional MRI.
Schönberg L, Mohamed A, Yu Q, Kwiatek R, Del Fante P, Calhoun V, Shan Z. Absence of BOLD adaptation in chronic fatigue syndrome revealed by task functional MRI. Cerebrovascular And Brain Metabolism Reviews 2024, 271678x241270528. PMID: 39113421, DOI: 10.1177/0271678x241270528.Peer-Reviewed Original ResearchBlood oxygen level-dependentFunctional MRIME/CFS participantsHealthy controlsTask-based functional MRISymbol Digit Modalities TestFatigue syndromeRight postcentral gyrusTask functional MRIFMRI signal changesOxygen level-dependentMyalgic encephalomyelitis/chronic fatigue syndromeLeft primary motor cortexChronic fatigue syndromeTask blocksCognitive tasksPostcentral gyrusCognitive cortexBOLD adaptationNeurophysiological processesNeurophysiological mechanismsPrimary motor cortexLevel-dependentModal testingFatigue severity
2023
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 9