Results 131 to 140 of about 65,503 (295)

Fetal maturation revealed by amniotic fluid cell-free transcriptome in rhesus macaques

open access: gold, 2022
Augusto F. Schmidt   +10 more
openalex   +1 more source

Behavioral Contagion in Wild Ecuadorian White‐Fronted Capuchins (Cebus aequatorialis)

open access: yesAmerican Journal of Primatology, Volume 88, Issue 1, January 2026.
White‐fronted capuchins exhibit scratching contagion, but neither the characteristics of the trigger, or of the partner's (sex, age class, or centrality), or of the dyad (combination of sex, combination of age class, or social bond) seem to modulate the likelihood of contagion.
Núria Hassina Hannaoui   +3 more
wiley   +1 more source

The ocular surface microbiome of rhesus macaques

open access: yesAnimal Microbiome
Background The ocular surface microbiota (OSM) is important for eye health, and variations in OSM composition have been associated with multiple diseases in humans. Studies of OSM-disease dynamics in humans are confounded by lifestyle factors.
Joelle K. Hass   +10 more
doaj   +1 more source

A New Experimental Protocol for Assessing Hominoid Assisted Arboreal Bipedalism

open access: yesAmerican Journal of Biological Anthropology, Volume 189, Issue 1, January 2026.
A new experimental protocol for investigating arboreal bipedalism in hominoids was successfully used by all available age and sex classes of chimpanzees in the case study. This protocol identifies two forms of arboreal bipedalism: forward facing and sideways, and allows for the collection of gait parameter data for future comparative studies.
Victoria A. Lockwood   +4 more
wiley   +1 more source

Primate Swallowing Is Powered by Both Rotation and Contraction of Suprahyoid Muscles

open access: yesAmerican Journal of Biological Anthropology, Volume 189, Issue 1, January 2026.
ABSTRACT Objectives Swallowing biomechanics in primates and other mammals is poorly understood, and the effect of hyoid descent on swallowing biomechanics lacks experimental interrogation. In macaques, which share similar swallowing kinematics with humans, the base of the tongue and the food bolus are hypothesized to be driven into the oropharynx by a ...
Courtney P. Orsbon   +2 more
wiley   +1 more source

Genomic properties of a Bartonella quintana strain from Japanese macaque (Macaca fuscata) revealed by genome comparison with human and rhesus macaque strains

open access: yesScientific Reports
Bartonella quintana, the causative agent of trench fever, is an intracellular bacterium that infects human erythrocytes and vascular endothelial cells. For many years, humans were considered the only natural hosts for B.
Shingo Sato   +3 more
doaj   +1 more source

Picture recognition in animals and in humans : a review [PDF]

open access: yes, 2000
The question of object–picture recognition has received relatively little attention in both human and comparative psychology; a paradoxical situation given the important use of image technology (e.g. slides, digitised pictures) made by neuroscientists in
Bovet, D, Vauclair, J
core  

Postnatal Development of the Perirhinal and Parahippocampal Cortices: A Stereological Study in Macaque Monkeys

open access: yesJournal of Comparative Neurology, Volume 534, Issue 1, January 2026.
Volumetric data reveal a late maturation of areas 36r and 36c compared to areas 35, TF, and TH, as well as a tendency for superficial layers in areas 36r and 36c to mature earlier than the deep layers. Neuronal soma size exhibits a transient increase at 6 months of age in most subdivisions.
Justine Villard   +4 more
wiley   +1 more source

Smart Ungulates: What Sheep and Goats' Performances in a Reversed‐Reward Contingency Task Tell Us About the Evolution of Cognitive Flexibility

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
This study shows that young goats outperform sheep in the reversed‐reward contingency task, which is a cognitive test requiring both inhibitory control and cognitive flexibility. The results highlight the importance of cognitive flexibility when solving this type of task, and suggest that the differences between both species may reflect social and ...
Laurie Castro   +2 more
wiley   +1 more source

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