Variation in oxytocin is related to variation in affiliative behavior in monogamous, pairbonded tamarins

Snowdon, Charles T.; Pieper, Bridget A.; Boe, Carla Y; Cronin, Katherine A.; Kurian, Aimee V.; Ziegler, Toni E.

doi:10.1016/j.yhbeh.2010.06.014

Cited by 121 publications

(110 citation statements)

References 42 publications

(51 reference statements)

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“…This result is surprising given that OT typically shows a positive rather than negative association with affiliative behaviors (Crockford et al, 2013;Insel, 2010;Snowdon et al, 2010; but see Bartz et al, 2011;De Dreu, 2012;Mustoe et al, 2015).…”

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confidence: 94%

“…are initiated by the adult who offers the food to the immature (Brown et al 2004). Non-reproductive helpers show particularly high levels of proactive food sharing (48 %) during that time, Alloparents thus seem to have high intrinsic caretaking motivation, and, in fact, helping in subordinates is not enforced by breeders through coercion or punishment (Snowdon and Cronin, 2007).…”

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confidence: 99%

“…ADI-900-153A-0001). The procedure was developed and validated by Seltzer and Ziegler (2007) and Snowdon et al (2010), and slightly adapted for our purpose, as previously described in Finkenwirth et al (2015). A detailed protocol is provided in supplementary file S2.…”

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confidence: 99%

“…Such a coordination may also be dependent on the involved stimulating brain regions (Martínez-Lorenzana et al, 2008). In primates, urinary OT levels have been found to be related to affiliative (Crockford et al, 2013;Finkenwirth et al, 2015; and socio-sexual interactions (Moscovice and Ziegler, 2012;Snowdon et al, 2010) among group-living individuals. Accordingly, Crockford et al (2014) suggested that peripheral OT measurements are indeed useful to capture central OT excretion or a coordinated release between central and…”

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confidence: 99%

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Oxytocin is associated with infant-care behavior and motivation in cooperatively breeding marmoset monkeys

Finkenwirth

Martins

Deschner

et al. 2016

Hormones and Behavior

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The neurohormone oxytocin (OT) is positively involved in the regulation of parenting and social bonding in mammals, and may thus also be important for the mediation of alloparental care. In cooperatively breeding marmosets, infants are raised in teamwork by parents and adult and subadult non-reproductive helpers (usually older siblings). Despite high intrinsic motivation, which may be mediated by hormonal priming, not all individuals are always equally able to contribute to infant-care due to competition among care-takers. Among the various care-taking behaviors, proactive food sharing may reflect motivational levels best, since it can be performed ad libitum by several individuals even if competition among surplus care-takers constrains access to infants. Our aim was to study the link between urinary OT levels and care-taking behaviors in group-living marmosets, while taking affiliation with other adults and infant age into account. Over eight reproductive cycles, 26 individuals were monitored for urinary baseline OT, care-taking behaviors (baby-licking, -grooming, -carrying, and proactive food sharing), and adult-directed affiliation. Mean OT levels were generally highest in female breeders and OT increased significantly in all individuals after birth. During early infancy, high urinary OT levels were associated with increased infant-licking but low levels of adult-affiliation, and during late infancy, with increased proactive food sharing. Our results show that, in marmoset parents and alloparents, OT is positively involved in the regulation of care-taking, thereby reflecting the changing needs during infant development. This particularly included behaviors that are more likely to reflect intrinsic care motivation, suggesting a positive link between OT and motivational regulation of infant-care. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Email: christa.finkenwirth@uzh.ch A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT AbstractThe neurohormone oxytocin (OT) is positively involved in the regulation of parenting and social bonding in mammals, and may thus also be important for the mediation of alloparental care. In cooperatively breeding marmosets, infants are raised in teamwork by parents and adult and subadult non-reproductive helpers (usually older siblings). Despite high intrinsic motivation, which may be mediated by hormonal priming, not all individuals are always equally able to contribute to infant-care due to competition among care-takers. Among the various care-taking behaviors, proactive food sharing may reflect motivational levels best, since it can be performed ad libi...

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confidence: 94%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Oxytocin is associated with infant-care behavior and motivation in cooperatively breeding marmoset monkeys

Finkenwirth

Martins

Deschner

et al. 2016

Hormones and Behavior

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“…In male rats, OXT facilitates sexual behavior through actions in the PVN [8]. In pair bonded tamarin monkeys, peripheral OXT levels vary with levels of affiliation and sexual behavior in both genders [9]. Specifically, OXT levels in male tamarins were correlated strongly with sexual behavior.…”

Section: Oxt and Male Animal Affiliationmentioning

confidence: 93%