Smarter foragers do not forage smarter: a test of the diet hypothesis for brain expansion

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Smarter foragers do not forage smarter : a test of the diet hypothesis for brain expansion. / Hirsch, Ben T.; Kays, Roland; Alavi, Shauhin; Caillaud, Damien; Havmoller, Rasmus; Mares, Rafael; Crofoot, Margaret.

I: Proceedings of the Royal Society B: Biological Sciences, Bind 291, Nr. 2023, 20240138, 2024.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Hirsch, BT, Kays, R, Alavi, S, Caillaud, D, Havmoller, R, Mares, R & Crofoot, M 2024, 'Smarter foragers do not forage smarter: a test of the diet hypothesis for brain expansion', Proceedings of the Royal Society B: Biological Sciences, bind 291, nr. 2023, 20240138. https://doi.org/10.1098/rspb.2024.0138

APA

Hirsch, B. T., Kays, R., Alavi, S., Caillaud, D., Havmoller, R., Mares, R., & Crofoot, M. (2024). Smarter foragers do not forage smarter: a test of the diet hypothesis for brain expansion. Proceedings of the Royal Society B: Biological Sciences, 291(2023), [20240138]. https://doi.org/10.1098/rspb.2024.0138

Vancouver

Hirsch BT, Kays R, Alavi S, Caillaud D, Havmoller R, Mares R o.a. Smarter foragers do not forage smarter: a test of the diet hypothesis for brain expansion. Proceedings of the Royal Society B: Biological Sciences. 2024;291(2023). 20240138. https://doi.org/10.1098/rspb.2024.0138

Author

Hirsch, Ben T. ; Kays, Roland ; Alavi, Shauhin ; Caillaud, Damien ; Havmoller, Rasmus ; Mares, Rafael ; Crofoot, Margaret. / Smarter foragers do not forage smarter : a test of the diet hypothesis for brain expansion. I: Proceedings of the Royal Society B: Biological Sciences. 2024 ; Bind 291, Nr. 2023.

Bibtex

@article{1bacd8efa4894a34b5331315d7ade432,
title = "Smarter foragers do not forage smarter: a test of the diet hypothesis for brain expansion",
abstract = "A leading hypothesis for the evolution of large brains in humans and other species is that a feedback loop exists whereby intelligent animals forage more efficiently, which results in increased energy intake that fuels the growth and maintenance of large brains. We test this hypothesis for the first time with high-resolution tracking data from four sympatric, frugivorous rainforest mammal species (42 individuals) and drone-based maps of their predominant feeding trees. We found no evidence that larger-brained primates had more efficient foraging paths than smaller brained procyonids. This refutes a key assumption of the fruit-diet hypothesis for brain evolution, suggesting that other factors such as temporal cognition, extractive foraging or sociality have been more important for brain evolution.",
keywords = "brain size, evolution, foraging, intelligence, mammal",
author = "Hirsch, {Ben T.} and Roland Kays and Shauhin Alavi and Damien Caillaud and Rasmus Havmoller and Rafael Mares and Margaret Crofoot",
note = "Publisher Copyright: {\textcopyright} 2024 The Author(s) Published by the Royal Society. All rights reserved.",
year = "2024",
doi = "10.1098/rspb.2024.0138",
language = "English",
volume = "291",
journal = "Proceedings of the Royal Society B: Biological Sciences",
issn = "0962-8452",
publisher = "The Royal Society Publishing",
number = "2023",

}

RIS

TY - JOUR

T1 - Smarter foragers do not forage smarter

T2 - a test of the diet hypothesis for brain expansion

AU - Hirsch, Ben T.

AU - Kays, Roland

AU - Alavi, Shauhin

AU - Caillaud, Damien

AU - Havmoller, Rasmus

AU - Mares, Rafael

AU - Crofoot, Margaret

N1 - Publisher Copyright: © 2024 The Author(s) Published by the Royal Society. All rights reserved.

PY - 2024

Y1 - 2024

N2 - A leading hypothesis for the evolution of large brains in humans and other species is that a feedback loop exists whereby intelligent animals forage more efficiently, which results in increased energy intake that fuels the growth and maintenance of large brains. We test this hypothesis for the first time with high-resolution tracking data from four sympatric, frugivorous rainforest mammal species (42 individuals) and drone-based maps of their predominant feeding trees. We found no evidence that larger-brained primates had more efficient foraging paths than smaller brained procyonids. This refutes a key assumption of the fruit-diet hypothesis for brain evolution, suggesting that other factors such as temporal cognition, extractive foraging or sociality have been more important for brain evolution.

AB - A leading hypothesis for the evolution of large brains in humans and other species is that a feedback loop exists whereby intelligent animals forage more efficiently, which results in increased energy intake that fuels the growth and maintenance of large brains. We test this hypothesis for the first time with high-resolution tracking data from four sympatric, frugivorous rainforest mammal species (42 individuals) and drone-based maps of their predominant feeding trees. We found no evidence that larger-brained primates had more efficient foraging paths than smaller brained procyonids. This refutes a key assumption of the fruit-diet hypothesis for brain evolution, suggesting that other factors such as temporal cognition, extractive foraging or sociality have been more important for brain evolution.

KW - brain size

KW - evolution

KW - foraging

KW - intelligence

KW - mammal

U2 - 10.1098/rspb.2024.0138

DO - 10.1098/rspb.2024.0138

M3 - Journal article

C2 - 38808448

AN - SCOPUS:85194881966

VL - 291

JO - Proceedings of the Royal Society B: Biological Sciences

JF - Proceedings of the Royal Society B: Biological Sciences

SN - 0962-8452

IS - 2023

M1 - 20240138

ER -

ID: 395139736