Results 1 to 10 of about 26,955 (234)
Bonobos Fall within the Genomic Variation of Chimpanzees
PLoS ONE, 2011 To gain insight into the patterns of genetic variation and evolutionary relationships within and between bonobos and chimpanzees, we sequenced 150,000 base pairs of nuclear DNA divided among 15 autosomal regions as well as the complete mitochondrial ...
Kay Prüfer +2 more
exaly +3 more sources
Chimpanzees Help Each Other upon Request
PLoS ONE, 2009 BackgroundThe evolution of altruism has been explained mainly from ultimate perspectives. However, it remains to be investigated from a proximate point of view how and in which situations such social propensity is achieved.
Tatyana Humle, Shinya Yamamoto
exaly +3 more sources
Why chimpanzees carry dead infants: an empirical assessment of existing hypotheses [PDF]
Royal Society Open Science, 2020 The study of non-human primate thanatology has expanded dramatically in recent years as scientists seek to understand the evolutionary roots of human death concepts and practices.
Elizabeth V. Lonsdorf +7 more
doaj +1 more source
Do Chimpanzees Predict Others' Behavior by Simulating Their Beliefs? [PDF]
Animal Behavior and Cognition, 2022 Recent studies have shown that great apes predict that other agents will search for objects of interest where the agents believe the objects are hidden.
Robert W. Lurz +3 more
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What Chimpanzees Can Teach the EU: Or Why the EU Should Embrace Sovereignty as Part of Human Nature
European Papers, 2021 (Series Information) European Papers - A Journal on Law and Integration, 2021 6(3), 1229-1254 | European Forum Insight of 17 December 2021 | (Table of Contents) I. Introduction: overcoming sovereignty? - II. Method, limitations and structure.
Armin Cuyvers
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Early Trauma Leaves No Social Signature in Sanctuary-Housed Chimpanzees (Pan troglodytes)
Animals, 2022 Negative early experiences can have detrimental effects on social functioning in later life, both in humans as well as in other socially-living animals. In zoo-housed chimpanzees, recent evidence suggests that there may be a lingering signature of early ...
Edwin J. C. van Leeuwen +2 more
doaj +1 more source
Chimpanzee intellect: personality, performance and motivation with touchscreen tasks [PDF]
Royal Society Open Science, 2017 Human intellect is characterized by intercorrelated psychological domains, including intelligence, academic performance and personality. Higher openness is associated with higher intelligence and better academic performance, yet high performance among ...
Drew M. Altschul +4 more
doaj +1 more source
eLife, 2021 The biological embedding model (BEM) suggests that fitness costs of maternal loss arise when early-life experience embeds long-term alterations to hypothalamic-pituitary-adrenal (HPA) axis activity.
Cédric Girard-Buttoz +11 more
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Do Nonhumans Seek Explanations? [PDF]
Animal Behavior and Cognition, 2020 From an early age, children explore their environment in a way suggesting that they reason about causal variables and seek causal explanations. Indeed, following extensive studies of problem-solving abilities in chimpanzees, Povinelli (Folk Physics for ...
Christoph J. Völter +2 more
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Captive chimpanzee foraging in a social setting: a test of problem solving, flexibility, and spatial discounting [PDF]
PeerJ, 2015 In the wild, primates are selective over the routes that they take when foraging and seek out preferred or ephemeral food. Given this, we tested how a group of captive chimpanzees weighed the relative benefits and costs of foraging for food in their ...
Lydia M. Hopper +3 more
doaj +2 more sources