Results 21 to 30 of about 26,955 (234)
Animals, 2022 Adequate nutrition is essential for individual well-being, survival and reproductive fitness. Yet, in wild animals, including great apes, scoring nutrition or health comes with many challenges. Here, we have two aims: first, broadly review the scientific
Katie F. Gerstner, Jill D. Pruetz
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Frontiers in Neuroscience, 2017 Vasopressin is a neuropeptide known to be associated with the development and evolution of complex socio-emotional behaviors including those relevant to psychopathic personality.
Robert D. Latzman +4 more
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Innovation in chimpanzees [PDF]
Biological Reviews, 2020 ABSTRACTThe study of innovation in non‐human animals (henceforth: animals) has recently gained momentum across fields including primatology, animal behaviour and cultural evolution. Examining the rate of innovations, and the cognitive mechanisms driving these innovations across species, can provide insights into the evolution of human culture ...
Elisa Bandini, Rachel A. Harrison
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Scientific Reports, 2021 Chimpanzees are genetically and physiologically similar to humans. Several pharmacokinetic models of propofol are available and target controlled infusion (TCI) of propofol is established in humans, but not in chimpanzees.
T. Miyabe-Nishiwaki +12 more
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When given the opportunity, chimpanzees maximize personal gain rather than “level the playing field” [PDF]
PeerJ, 2013 We provided chimpanzees (Pan troglodytes) with the ability to improve the quality of food rewards they received in a dyadic test of inequity. We were interested to see if this provision influenced their responses and, if so, whether it was mediated by a ...
Lydia M. Hopper +3 more
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Personality Neuroscience, 2018 A converging literature has revealed the existence of a set of largely consistent, hierarchically organized personality traits, that is broader traits are able to be differentiated into more fine-grained traits, in both humans and chimpanzees.
Robert D. Latzman +2 more
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PLoS ONE, 2008 Economists believe that barter is the ultimate cause of social wealth--and even much of our human culture--yet little is known about the evolution and development of such behavior. It is useful to examine the circumstances under which other species will or will not barter to more fully understand the phenomenon.
Brosnan, Sarah F. +4 more
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More Rope Tricks Reveal Why More Task Variants Will Never Lead to Strong Inferences About Higher-Order Causal Reasoning in Chimpanzees [PDF]
Animal Behavior and Cognition, 2020 When chimpanzees (and other animals) use tools to pound, crack open, retrieve, soak up, pry apart, probe into, and/or dig up other objects (just to name a few of the operations of which they are capable), are these actions modulated by higher-order ...
Daniel J. Povinelli , Ty Henley
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Varicella in chimpanzees [PDF]
Journal of Medical Virology, 1996 Two chimpanzees were inoculated subcutaneously with the wild-type Oka strain of varicellazoster virus (VZV). Viral DNA was detected in peripheral blood mononuclear cells of both animals using the polymerase chain reaction (PCR) shortly after inoculation.
Cohen, Jeffrey I. +3 more
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EcologiesHousing different animal groups in close-by facilities is common in wildlife centers. However, the impact on animal welfare is insufficiently studied in the literature. In this study, we analyzed the behavior of two adjacently housed chimpanzee groups to
Jose Gil-Dolz +3 more
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