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The coevolution of innovation and technical intelligence in primates

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The coevolution of innovation and technical intelligence in primates. / Navarrete Rodriguez, Ana Francisca; Reader, Simon M.; Street, Sally E.; Whalen, Andrew; Laland, Kevin N.

In: Proceedings of the Royal Society B: Biological Sciences, Vol. 371, No. 1690, 20150186, 03.2016.

Research output: Contribution to journalArticle

Harvard

Navarrete Rodriguez, AF, Reader, SM, Street, SE, Whalen, A & Laland, KN 2016, 'The coevolution of innovation and technical intelligence in primates' Proceedings of the Royal Society B: Biological Sciences, vol. 371, no. 1690, 20150186. https://doi.org/10.1098/rstb.2015.0186

APA

Navarrete Rodriguez, A. F., Reader, S. M., Street, S. E., Whalen, A., & Laland, K. N. (2016). The coevolution of innovation and technical intelligence in primates. Proceedings of the Royal Society B: Biological Sciences, 371(1690), [20150186]. https://doi.org/10.1098/rstb.2015.0186

Vancouver

Navarrete Rodriguez AF, Reader SM, Street SE, Whalen A, Laland KN. The coevolution of innovation and technical intelligence in primates. Proceedings of the Royal Society B: Biological Sciences. 2016 Mar;371(1690). 20150186. https://doi.org/10.1098/rstb.2015.0186

Author

Navarrete Rodriguez, Ana Francisca ; Reader, Simon M. ; Street, Sally E. ; Whalen, Andrew ; Laland, Kevin N. / The coevolution of innovation and technical intelligence in primates. In: Proceedings of the Royal Society B: Biological Sciences. 2016 ; Vol. 371, No. 1690.

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@article{1d2ca57290c345738d718b601605e6dd,
title = "The coevolution of innovation and technical intelligence in primates",
abstract = "In birds and primates, the frequency of behavioural innovation has been shown to covary with absolute and relative brain size, leading to the suggestion that large brains allow animals to innovate, and/or that selection for innovativeness, together with social learning, may have driven brain enlargement. We examined the relationship between primate brain size and both technical (i.e. tool using) and non-technical innovation, deploying a combination of phylogenetically informed regression and exploratory causal graph analyses. Regression analyses revealed that absolute and relative brain size correlated positively with technical innovation, and exhibited consistently weaker, but still positive, relationships with non-technical innovation. These findings mirror similar results in birds. Our exploratory causal graph analyses suggested that technical innovation shares strong direct relationships with brain size, body size, social learning rate and social group size, whereas non-technical innovation did not exhibit a direct relationship with brain size. Nonetheless, non-technical innovation was linked to brain size indirectly via diet and life-history variables. Our findings support ‘technical intelligence’ hypotheses in linking technical innovation to encephalization in the restricted set of primate lineages where technical innovation has been reported. Our findings also provide support for a broad co-evolving complex of brain, behaviour, life-history, social and dietary variables, providing secondary support for social and ecological intelligence hypotheses. The ability to gain access to difficult-to-extract, but potentially nutrient-rich, resources through tool use may have conferred on some primates adaptive advantages, leading to selection for brain circuitry that underlies technical proficiency.",
keywords = "Innovation, Social learning, Tool use, Intelligence, Primate cognition, Brain evolution",
author = "{Navarrete Rodriguez}, {Ana Francisca} and Reader, {Simon M.} and Street, {Sally E.} and Andrew Whalen and Laland, {Kevin N.}",
year = "2016",
month = "3",
doi = "10.1098/rstb.2015.0186",
language = "English",
volume = "371",
journal = "Proceedings of the Royal Society B: Biological Sciences",
issn = "0962-8452",
publisher = "Royal Society of London",
number = "1690",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - The coevolution of innovation and technical intelligence in primates

AU - Navarrete Rodriguez, Ana Francisca

AU - Reader, Simon M.

AU - Street, Sally E.

AU - Whalen, Andrew

AU - Laland, Kevin N.

PY - 2016/3

Y1 - 2016/3

N2 - In birds and primates, the frequency of behavioural innovation has been shown to covary with absolute and relative brain size, leading to the suggestion that large brains allow animals to innovate, and/or that selection for innovativeness, together with social learning, may have driven brain enlargement. We examined the relationship between primate brain size and both technical (i.e. tool using) and non-technical innovation, deploying a combination of phylogenetically informed regression and exploratory causal graph analyses. Regression analyses revealed that absolute and relative brain size correlated positively with technical innovation, and exhibited consistently weaker, but still positive, relationships with non-technical innovation. These findings mirror similar results in birds. Our exploratory causal graph analyses suggested that technical innovation shares strong direct relationships with brain size, body size, social learning rate and social group size, whereas non-technical innovation did not exhibit a direct relationship with brain size. Nonetheless, non-technical innovation was linked to brain size indirectly via diet and life-history variables. Our findings support ‘technical intelligence’ hypotheses in linking technical innovation to encephalization in the restricted set of primate lineages where technical innovation has been reported. Our findings also provide support for a broad co-evolving complex of brain, behaviour, life-history, social and dietary variables, providing secondary support for social and ecological intelligence hypotheses. The ability to gain access to difficult-to-extract, but potentially nutrient-rich, resources through tool use may have conferred on some primates adaptive advantages, leading to selection for brain circuitry that underlies technical proficiency.

AB - In birds and primates, the frequency of behavioural innovation has been shown to covary with absolute and relative brain size, leading to the suggestion that large brains allow animals to innovate, and/or that selection for innovativeness, together with social learning, may have driven brain enlargement. We examined the relationship between primate brain size and both technical (i.e. tool using) and non-technical innovation, deploying a combination of phylogenetically informed regression and exploratory causal graph analyses. Regression analyses revealed that absolute and relative brain size correlated positively with technical innovation, and exhibited consistently weaker, but still positive, relationships with non-technical innovation. These findings mirror similar results in birds. Our exploratory causal graph analyses suggested that technical innovation shares strong direct relationships with brain size, body size, social learning rate and social group size, whereas non-technical innovation did not exhibit a direct relationship with brain size. Nonetheless, non-technical innovation was linked to brain size indirectly via diet and life-history variables. Our findings support ‘technical intelligence’ hypotheses in linking technical innovation to encephalization in the restricted set of primate lineages where technical innovation has been reported. Our findings also provide support for a broad co-evolving complex of brain, behaviour, life-history, social and dietary variables, providing secondary support for social and ecological intelligence hypotheses. The ability to gain access to difficult-to-extract, but potentially nutrient-rich, resources through tool use may have conferred on some primates adaptive advantages, leading to selection for brain circuitry that underlies technical proficiency.

KW - Innovation

KW - Social learning

KW - Tool use

KW - Intelligence

KW - Primate cognition

KW - Brain evolution

U2 - 10.1098/rstb.2015.0186

DO - 10.1098/rstb.2015.0186

M3 - Article

VL - 371

JO - Proceedings of the Royal Society B: Biological Sciences

T2 - Proceedings of the Royal Society B: Biological Sciences

JF - Proceedings of the Royal Society B: Biological Sciences

SN - 0962-8452

IS - 1690

M1 - 20150186

ER -

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ID: 241575040