Group Size Predicts Social but Not Nonsocial Cognition in Lemurs

@inproceedings{Maclean2013GroupSP,
  title={Group Size Predicts Social but Not Nonsocial Cognition in Lemurs},
  author={Evan L Maclean and Aaron A Sandel and Joel Bray and Ricki E. Oldenkamp and Rachna B Reddy and Brian Alexander Hare},
  booktitle={PloS one},
  year={2013}
}
The social intelligence hypothesis suggests that living in large social networks was the primary selective pressure for the evolution of complex cognition in primates. This hypothesis is supported by comparative studies demonstrating a positive relationship between social group size and relative brain size across primates. However, the relationship between brain size and cognition remains equivocal. Moreover, there have been no experimental studies directly testing the association between group… CONTINUE READING