Nighttime Wakefulness Associated with Infant Rearing in Callithrix kuhlii

Fite, Jeffrey E.; French, Jeffrey A.; Patera, Kimberly J.; Hopkins, Elizabeth C.; Rukstalis, Michael; Jensen, Heather A.; Ross, Corinna N.

doi:10.1023/b:ijop.0000005992.72026.e6

Cited by 15 publications

(12 citation statements)

References 31 publications

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“…It is likely that baseline cortisol is highly labile, sensitive to a number of factors that would be expected to differ from day-to-day and month-to-month. Among these factors may be the amount of food consumed on the previous day, variation in activity/wakefulness during the previous evening (Fite et al, 2003), presence or absence of intragroup conflict (Smith and French, 1997b). The unpredictability of these and others as yet unidentified factors that alter baseline CORT could certainly account for the lack of temporal stability in this component of stress reactivity in marmosets.…”

Section: Discussionmentioning

confidence: 99%

Stress reactivity in young marmosets (Callithrix geoffroyi): Ontogeny, stability, and lack of concordance among co-twins

French

Smith

Gleason

et al. 2012

Hormones and Behavior

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Variation in response styles in the hypothalamic-pituitary-adrenal (HPA) axis are known to be predictors of short- and long-term health outcomes. The nature of HPA responses to stressors changes with developmental stage, and some components of the stress response exhibit long-term individual consistency (i.e., are trait-like) while others are transient or variable (i.e., state-like). Here we evaluated the response of marmoset monkeys (Callithrix geoffroyi) to a standardized social stressor (social separation and exposure to a novel environment) at three different stages of development: juvenile, subadult, and young adult). We monitored levels of urinary cortisol (CORT), and derived multiple measures of HPA activity: Baseline CORT, CORT reactivity, CORT Area Under the Curve (AUC), and CORT regulation. Juvenile marmosets exhibited the most dramatic stress response, had higher AUCs, and tended to show poorer regulation. While baseline CORT and CORT regulation were not consistent within an individual across age, CORT reactivity and measures of AUC were highly correlated across time; i.e., individuals with high stress reactivity and AUC as juveniles also had high measures as subadults and adults, and vice-versa. Marmoset co-twins did not exhibit similar patterns of stress reactivity. These data suggest that regardless of the source of variation in stress response styles in marmosets, individually-distinctive patterns are established by six months of age, and persist for at least a year throughout different phases of marmoset life history.

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Section: Discussionmentioning

confidence: 99%

Stress reactivity in young marmosets (Callithrix geoffroyi): Ontogeny, stability, and lack of concordance among co-twins

French

Smith

Gleason

et al. 2012

Hormones and Behavior

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“…A notable and more recent exception to the general lack of nonhuman primate cosleeping research is a study conducted by Fite et al (2003) examining the ways in which parent-infant cosleeping affects the sleeping patterns of Callithrix kuhlii. Interestingly, the authors note, ''Parent-infant cosleeping occurs in human and nonhuman primates, yet studies on the impact of cosleeping on parental sleep patterns have been limited to human mothers,'' later referring to the studies that McKenna and conducted on this subject (Fite et al, 2003(Fite et al, : 1268. This further underscores the need for expanded research covering both proximate and longterm social and physiological aspects of sleep and sleep development among nonhuman primates.…”

Section: Human Sleep Before Western Historymentioning

confidence: 99%

Mother–infant cosleeping, breastfeeding and sudden infant death syndrome: What biological anthropology has discovered about normal infant sleep and pediatric sleep medicine

McKenna

Ball

Gettler

2007

Am. J. Phys. Anthropol.

169

128

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Twenty years ago a new area of inquiry was launched when anthropologists proposed that an evolutionary perspective on infancy could contribute to our understanding of unexplained infant deaths. Here we review two decades of research examining parent-infant sleep practices and the variability of maternal and infant sleep physiology and behavior in social and solitary sleeping environments. The results challenge clinical wisdom regarding ''normal'' infant sleep, and over the past two decades the perspective of evolutionary pediatrics has challenged the supremacy of pediatric sleep medicine in defining what are appropriate sleep environments and behaviors for healthy human infants. In this review, we employ a biocultural approach that integrates diverse lines of evidence in order to illustrate the limitations of pediatric sleep medicine in adopting a view of infants that prioritizes recent western social values over the human infant's biological heritage. We review what is known regarding infant sleeping arrangements among nonhuman primates and briefly explore the possible paleoecological context within which early human sleep patterns and parent-infant sleeping arrangements might have evolved. The first challenges made by anthropologists to the pediatric and SIDS research communities are traced, and two decades of studies into the behavior and physiology of mothers and infants sleeping together are presented up to the present. Laboratory, hospital and home studies are used to assess the biological functions of shared mother-infant sleep, especially with regard to breastfeeding promotion and SIDS reduction. Finally, we encourage other anthropologists to participate in pediatric sleep research using the unique skills and insights anthropological data provide. By employing comparative, evolutionary and cross-cultural perspectives an anthropological approach stimulates new research insights that influence the traditional medical paradigm and help to make it more inclusive. That this review will potentially stimulate similar research by other anthropologists is one obvious goal. That this article might do so makes it ever more possible that anthropologically inspired work on infant sleep will ultimately lead to infant sleep scientists, pediatricians, and parents becoming more informed about the consequences of caring for human infants in ways that are not congruent with their evolutionary biology. Yrbk Phys Anthropol 50: 133-161, 2007. V

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“…). While this might be in contrast to predictions that infant presence may increase activity, it should be recognized that with the exception of one non‐human primate study (Fite et al ., ), such expectations were driven primarily from research involving maternal sleep disturbances in human mothers (Nishihara & Horiuchi, ; Dennis & Ross, ; Goyal, Gay & Lee, ). In the context of baboons, there have been several studies highlighting the costly demands associated with infant rearing (Dunbar & Dunbar, ; Altmann & Samuels, ).…”

Section: Discussionmentioning

confidence: 99%

Illuminating movement? Nocturnal activity patterns in chacma baboons

et al. 2019

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Recent analyses have shown that typically diurnal primates may periodically exhibit some levels of activity at night. Despite this, there have been few studies that have explored whether diurnal primates living in temperate environments will extend their activity budgets to the nocturnal phase as a response to seasonal constraints. Using dual‐axis accelerometers, we explored whether chacma baboons (Papio ursinus; N = 3) in the western Soutpansberg Mountains, South Africa, responded to seasonally fluctuating levels of day length, lunar illumination, wind speed, precipitation and temperature by heightening or lowering nocturnal activity levels. Our results showed that chacma baboons engaged in low levels of activity at night throughout the year. Although baboons had heighted nocturnal activity as a response to shorter days, moonlit nights and lower temperatures, these responses were most likely due to disturbed sleeping patterns rather than more active movement. Nocturnal activity significantly dropped in a female baboon throughout the course of her pregnancy and remained low after giving birth suggesting that females with infants must increase resting. Our results compliment previous analyses which suggest that although diurnal primates may periodically be active at night, there is limited evidence for strategic use of the nocturnal phase even in highly seasonal environments.

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Nighttime Wakefulness Associated with Infant Rearing in Callithrix kuhlii

Cited by 15 publications

References 31 publications

Stress reactivity in young marmosets (Callithrix geoffroyi): Ontogeny, stability, and lack of concordance among co-twins

Stress reactivity in young marmosets (Callithrix geoffroyi): Ontogeny, stability, and lack of concordance among co-twins

Mother–infant cosleeping, breastfeeding and sudden infant death syndrome: What biological anthropology has discovered about normal infant sleep and pediatric sleep medicine

Illuminating movement? Nocturnal activity patterns in chacma baboons

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