2019
Impacts of early social experience on cognitive development in infant rhesus macaques
Murphy AM, Dettmer AM. Impacts of early social experience on cognitive development in infant rhesus macaques. Developmental Psychobiology 2019, 62: 895-908. PMID: 31531855, DOI: 10.1002/dev.21916.Peer-Reviewed Original ResearchConceptsCognitive developmentEarly social experienceNR infantsInfant rhesus macaquesSocial experienceNeonatal neurobehavioral assessmentEarly life experiencesCognitive flexibilityCognitive tasksReward associationsAffective reactivityCognitive differencesChild developmentLife experiencesImpulsivityNeurobehavioral assessmentTaskMonths of ageRhesus macaquesExperienceScant literatureTemperamentEarly rearingNeurobiologyInfantsA descriptive analysis of gut microbiota composition in differentially reared infant rhesus monkeys (Macaca mulatta) across the first 6 months of life
Dettmer AM, Allen JM, Jaggers RM, Bailey MT. A descriptive analysis of gut microbiota composition in differentially reared infant rhesus monkeys (Macaca mulatta) across the first 6 months of life. American Journal Of Primatology 2019, 81: e22969. PMID: 30941799, PMCID: PMC6774917, DOI: 10.1002/ajp.22969.Peer-Reviewed Original ResearchConceptsGut microbiota compositionMonths of lifeInfant rhesus monkeysMicrobiota compositionRhesus monkeysEarly life experiencesPostnatal day 14Gut microbial colonizationDay of birthHost immune functionNR infantsFed formulaClinical significanceImmune functionRectal swabsDaily social contactsDay 180Gut microbiotaDay 14Subsequent healthInfantsGastrointestinal microbiomeGut microbiomeSocial contactNovel findings
2016
Early life adversity alters normal sex-dependent developmental dynamics of DNA methylation
Massart R, Nemoda Z, Suderman MJ, Sutti S, Ruggiero AM, Dettmer AM, Suomi SJ, Szyf M. Early life adversity alters normal sex-dependent developmental dynamics of DNA methylation. Development And Psychopathology 2016, 28: 1259-1272. PMID: 27687908, PMCID: PMC6590057, DOI: 10.1017/s0954579416000833.Peer-Reviewed Original ResearchConceptsDNA methylation profilesDNA methylation changesMethylation profilesMethylation changesGenome-wide DNA methylation changesEpigenetic programsDevelopmental evolutionEpigenetic processesDNA methylationAdult phenotypeDevelopmental dynamicsNormal evolutionGenesMethylationEvolutionPhenotypeEarly life eventsEarly life experiencesEffects of sexFemalesEarly life adversityT lymphocytesNonhuman primatesRodentsPrimatesAssociations between early life experience, chronic HPA axis activity, and adult social rank in rhesus monkeys
Dettmer AM, Wooddell LJ, Rosenberg KL, Kaburu SS, Novak MA, Meyer JS, Suomi SJ. Associations between early life experience, chronic HPA axis activity, and adult social rank in rhesus monkeys. Social Neuroscience 2016, 12: 92-101. PMID: 27063359, PMCID: PMC6528805, DOI: 10.1080/17470919.2016.1176952.Peer-Reviewed Original ResearchConceptsChronic HPA axis activityHair cortisol concentrationsHPA axis activityHealth outcomesEarly life experiencesAxis activityAxis regulationRhesus monkeysNeuroendocrine stress regulationSocioeconomic statusHPA axis regulationAdrenal axis regulationAdverse health outcomesFemale rhesus monkeysEarly life adversityRisk factorsAdult social statusNR monkeysCortisol concentrationsLife adversityMonkeysOutcomesEarly experienceMonthsLife experiences