There is considerable evidence that primates housed under impoverished conditions
develop behavioural abnormalities, including, in the most extreme example, self-harming …

This paper summarizes early anecdotal information and systematic studies of tool use in
capuchin monkeys {Cebus spp.)· Tool use in capuchins is neither context specific nor …

During the first two years of human life a common neural substrate (roughly Broca's area)
underlies the hierarchical organization of elements in the development of speech as well as …

Anterograde transport of 2–10% WGA-HRP was used to examine the pattern of termination
of efferents from the primary motor cortex to cervical segments of the spinal cord in cebus …

A horizontal plexiglas tube containing a food-reward was presented to four naive tufted
capuchins and suitable sticks were provided to push the reward out. Three monkeys out of …

In this report we describe the manufacture and use of tools in captive groups of tufted
capuchin monkeys (Cebus apella). Apparatus designed to accommodate probing and …

Abstract In Parque Nacional Manuel Antonio, Costa Rica, an adult male Cebus capucinus
was observed repeatedly hitting a venomous snake (Bothropsasper) with a branch. Initially a …

The acquisition of nut-cracking behaviour was investigated in two naive groups of captive
capuchin monkeys (Cebus apella). Two adult males acquired this behaviour independently …

A long-term study of two groups of white-faced capuchins (Cebus capucinus) in Santa Rosa
National Park in Costa Rica provides evidence of unusually high levels of vertebrate …

Evaluating the cognitive and ontogenetic bases of tool use in primates requires comparative
data on the generative nature of manipulation, including the frequency and variety of …