Capuchin monkey (Cebus apella) grips for the use of stone tools

American Journal of Physical Anthropology
G C Westergaard, S J Suomi

Abstract

This research examined capuchin monkey (Cebus apella) grips for the use of throwing, nut-cracking and cutting tools. We provided subjects with stones and apparatus that accommodated the use of stones as tools. Our subjects exhibited five grips, two of which the animals used when force was the primary consideration (power grips) and three of which the animals used when accuracy of sensory judgment and instrumentation was required (precision grips). We believe that the range of contexts in which capuchins use stone tools, combined with the ability of capuchins to employ both power and precision grips as part of their tool repertoire, indicate that Cebus apella can be used to identify grips that facilitated hominid lithic technology.

References

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Citations

Oct 9, 2013·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Mary W Marzke
Aug 5, 2004·American Journal of Physical Anthropology·Giovanna SpinozziTiziana Laganà
Jun 19, 2010·Journal of Chemical Neuroanatomy·Cristovam Guerreiro-DinizCristovam Wanderley Picanço-Diniz
Nov 5, 2014·American Journal of Physical Anthropology·Mary W MarzkeSandra P Reece
Apr 17, 2015·Journal of the Royal Society, Interface·Thomas FeixAaron M Dollar
Aug 8, 1998·American Journal of Physical Anthropology·M A Panger
Mar 30, 2019·Evolutionary Anthropology·Justin Pargeter, John J Shea

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