Results 101 to 110 of about 798,973 (232)

The uniqueness of the human brain: a review [PDF]

open access: yesDementia & Neuropsychologia
The purpose of this review is to highlight the most important aspects of the anatomical and functional uniqueness of the human brain. For this, a comparison is made between our brains and those of our closest ancestors (chimpanzees and bonobos) and human
José Eymard Homem Pittella
doaj   +1 more source

Habitat differentiation among three Nigeria–Cameroon chimpanzee (Pan troglodytes ellioti) populations

open access: yesEcology and Evolution, 2019
Ecological niche models (ENMs) are often used to predict species distribution patterns from datasets that describe abiotic and biotic factors at coarse spatial scales.
Ekwoge E. Abwe   +13 more
doaj   +1 more source

A longitudinal assessment of vocabulary retention in symbol-competent chimpanzees (Pan troglodytes).

open access: yesPLoS ONE, 2015
A number of studies from the 1960s to 1990s assessed the symbolic competence of great apes and other animals. These studies provided varying forms of evidence that some species were capable of symbolically representing their worlds, both through ...
Michael J Beran, Lisa A Heimbauer
doaj   +1 more source

Innovative social behavior in chimpanzees (Pan troglodytes)

open access: yesAmerican Journal of Primatology, 2007
AbstractWe present evidence of agonistic buffering in captive chimpanzees, recorded from 1993 until 2005, mainly from ad libitum sampling in over 2000 hr of observation. A total of 33 agonistic buffering episodes were analyzed for context and effects of this complex social behavior.
Casanova, Catarina C N   +2 more
openaire   +3 more sources

Dogs (Canis familiaris), but not chimpanzees (Pan troglodytes), understand imperative pointing.

open access: yesPLoS ONE, 2012
Chimpanzees routinely follow the gaze of humans to outside targets. However, in most studies using object choice they fail to use communicative gestures (e.g. pointing) to find hidden food.
Katharina C Kirchhofer   +3 more
doaj   +1 more source

Comprehension of functional support by enculturated chimpanzees Pan troglodytes

open access: yesCurrent Zoology, 2011
Studies of causal understanding of tool relationships in captive chimpanzees have yielded disparate findings, particularly those reported by Povinelli & colleagues (2000) for tool tasks by laboratory chimpanzees.
Anna M. YOCOM, Sarah T. BOYSEN
doaj  

FORMATION OF A PRIMARY DENTITION IN INFANT CHIMPANZEES (PAN TROGLODYTES)

open access: yesВетеринарная патология, 2019
IThe collection of allometric data, in particular, the study of the timing of the development of the dental system in chimpanzees, gives an idea of the rate and nature of the growth of wild animals and is of great importance for understanding postnatal ...
Polina Vladimirovna Aksenova   +1 more
doaj  

Iconic and non-iconic stages in number development : the role of language [PDF]

open access: yes, 2010
Is language the key to number? This article argues that the human language faculty provides the cognitive equipment that enables humans to develop a systematic number concept.
Wiese, Heike
core  

Hierarchical social modularity in gorillas

open access: yes, 2019
Modern human societies show hierarchical social modularity (HSM) in which lower-order social units like nuclear families are nested inside increasingly larger units.
Breuer, T.   +4 more
core   +1 more source

Using landscape approaches to improve to improve the integration of wildlife in forest managment plans [PDF]

open access: yes, 2008
Logging concessions can affect wildlife populations through indirect or direct effects. However, if wildlife is appropriately taken into account in the forest management plans, then logging concessions can become an opportunity for conservation, as they ...
Nasi, Robert, Van Vliet, Nathalie
core  

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