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Dataset results
8 results for “Plecturocebus”
Relationships between cortisol and testosterone in female titi monkeys (Plecturocebus cupreus) [dataset]
<p>[dataset for article in review]</p> <p>Steroid hormones are critical to the regulation of sociosexual behavior. Their role in the formation of pair bonds is complicated by the relative scarcity of this social system in mammals, as well as species and taxonomic differences in endocrine systems. In the present study, we experimentally manipulated the hypothalamic-pituitary-adrenal axis in female titi monkeys (<em>Plecturocebus cupreus</em>), a neotropical monkey studied for its strong, selective pair bonds. We validated a new assay for plasma and urinary cortisol in this species, showing a strong suppression of cortisol following dexamethasone injection, and a significant but somewhat blunted response to adrenocorticotrophin hormone (ACTH) stimulation. Urinary testosterone did not change in response to dexamethasone or ACTH. Plasma and urinary cortisol were highly correlated, whereas urinary cortisol and testosterone were only correlated when extreme cortisol values were included. In this study, we laid groundwork for studying the role of glucocorticoids and androgens (and eventually, their interactions with peptides) in the behavioral endocrinology of pair bonds in female titi monkeys.</p>
Fur rubbing in Plecturocebus cupreus – another species to the genus added
<p>A wild adult male coppery titi monkey (<em>Plecturocebus cupreus</em>) first chewing and then rubbing <em>Psychotria</em> sp. leaves on his abdominal body. Video taped in the Peruvian Amazon.</p>
Parenting costs time: Changes in pair bond maintenance across pregnancy and infant rearing in a monogamous primate (Plecturocebus cupreus) [dataset]
<p>Relationships support social animals’ health, but maintaining relationships is challenging. When transitioning to parenthood, new parents balance pair-bond maintenance with infant care. We studied pair-bond maintenance via affiliation in 22 adult titi monkey pairs (<em>Plecturocebus cupreus</em>) for 16 months centered around their first offspring’s birth. Pair affiliation peaked during pregnancy, decreased across the postpartum period, and rose after reaching minimum affiliation 32.6 weeks postpartum. Pairs in which fathers infant-carry more than average had lower affiliation at the infant’s birth and return to an increase in affiliation sooner. Parents of infants who were slow to independence had higher rates of affiliation. Titi monkey infants actively prefer their fathers; mothers may avoid their infant-carrying mate, suggesting infants play an active role in parental affiliative decline. Our data supports previous findings that affiliation between partners declines following an infant’s birth, but demonstrates new knowledge about the extent and duration of affiliative decline.</p>
Fig. 2 in Plecturocebus caquetensis (Primates: Pitheciidae)
Fig. 2.—Dorsal, ventral, and lateral (inverted) views of skull and lateral view of mandible of an immature adult female Plecturocebus caquetensis (ICN [Instituto de Ciencias Naturales, Universidad Nacional de Colombia] specimen 19439; holotype of Callicebus caquetensis) from Valparaíso, Department of Caquetá. Condylobasal length is 45.25 mm.
Fig. 1 in Plecturocebus caquetensis (Primates: Pitheciidae)
Fig. 1.—Adult Plecturocebus caquetensis from Department of Caquetá, Colombia. Photograph by Javier García, used with permission of the "Callicebus caquetensis project."
Fig. 3 in Plecturocebus caquetensis (Primates: Pitheciidae)
Fig. 3.—Geographic distribution of Plecturocebus caquetensis in the Amazon region of Colombia (departments of Cauca and Caquetá).
Parenting costs time: Changes in pair bond maintenance across pregnancy and infant rearing in a monogamous primate (Plecturocebus cupreus)
<p>Dataset for manuscript submitted to New Directions for Child and Adolescent Development. Abstract for article:</p> <p>Relationships support social animals’ health, but maintaining relationships is challenging. When transitioning to parenthood, new parents balance pair-bond maintenance with infant care. We studied pair-bond maintenance via affiliation in 22 adult titi monkey pairs (<em>Plecturocebus cupreus</em>) for 16 months centered around their first offspring’s birth. Pair affiliation peaked during pregnancy, decreased across the postpartum period, and rose after reaching minimum affiliation 32.6 weeks postpartum. Pairs in which fathers carry infants more than average had lower affiliation at the infant’s birth and return to an increase in affiliation sooner. Parents of infants who were slow to independence had higher rates of affiliation. Titi monkey infants actively prefer their fathers; mothers may avoid their infant-carrying mate, suggesting infants play an active role in parental affiliative decline. Our data supports previous findings that affiliation between partners declines following an infant’s birth, but demonstrates new knowledge about the extent and duration of affiliative decline.</p>
[dataset] Behavioral expression of father-daughter bonds affects sociality and responsiveness to oxytocin and vasopressin treatments in captive juvenile female titi monkeys (Plecturocebus cupreus)
<p>[dataset] Social bonds influence physiology and behavior, which can shape how individuals respond to physical and affective challenges. Coppery titi monkey (<em>Plecturocebus cupreus</em>) offspring form selective bonds with their fathers, making them ideal for investigating how father-daughter bonds influence juveniles’ responses to oxytocin (OT) and vasopressin (AVP) manipulations. We quantified expression of father-daughter bond-related behaviors in females (n = 10) and gave acute intranasal treatments of saline, low/medium/high OT, low/high AVP, or OT receptor antagonist (OTA) to subjects prior to a parent preference test. While females spent more time in proximity to their parents than strangers, we found a large degree of individual variation. Females with greater expression of bonding behaviors responded to OT treatments in a dose-dependent manner. Subjects also spent less time in proximity to strangers when treated with High OT (p = 0.003) and Low OT (p = 0.007), but more time when treated with High AVP (p = 0.007), Low AVP (p = 0.009), and OTA (p = 0.001). Findings from the present study suggest variation in expression of bond-related behaviors may alter responsiveness to OT and AVP, increasing engagement with unfamiliar social others. This enhanced sociality with strangers may promote formation of pair bonds with partners.</p>
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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