2009
Hair cortisol predicts object permanence performance in infant rhesus macaques (Macaca mulatta)
Dettmer AM, Novak MF, Novak MA, Meyer JS, Suomi SJ. Hair cortisol predicts object permanence performance in infant rhesus macaques (Macaca mulatta). Developmental Psychobiology 2009, 51: 706-713. PMID: 19771550, PMCID: PMC2797997, DOI: 10.1002/dev.20405.Peer-Reviewed Original ResearchConceptsCognitive performanceNR infantsObject permanence taskEarly cognitive performanceObject permanence performanceHair cortisolAdrenal axis functioningHair cortisol valuesEmotional responsesInfant macaque monkeysInfant rhesus macaquesScreen tasksTest sessionsAxis functioningHair cortisol concentrationsCortisol measuresInfant rhesus monkeysHigher hair cortisolTaskMacaque monkeysNR monkeysAcute measuresReliable predictorMeasuresLevels of glucocorticoids
2008
Surrogate mobility and orientation affect the early neurobehavioral development of infant rhesus macaques (Macaca mulatta)
Dettmer AM, Ruggiero AM, Novak MA, Meyer JS, Suomi SJ. Surrogate mobility and orientation affect the early neurobehavioral development of infant rhesus macaques (Macaca mulatta). Developmental Psychobiology 2008, 50: 418-422. PMID: 19810188, PMCID: PMC2762640, DOI: 10.1002/dev.20296.Peer-Reviewed Original ResearchConceptsRS infantsInfant rhesus macaquesInfant monkeysRhesus macaquesEarly neurobehavioral developmentMonths of ageEarly developmental outcomesGross motor skillsNursery-reared monkeysNeonatal assessmentNeurobehavioral developmentInanimate surrogate mothersInfantsMotor activityDay 30Motor developmentHome cageHigh levelsMothersMotor skillsBiological mothersDevelopmental outcomesMonkeysTest sessionsExploratory behavior