Machiavellian intelligence

In primatology, machiavellian intelligence is the capacity of an organism to be in a successful political engagement with social groups.[1] The first introduction of this concept came from Frans de Waal's book Chimpanzee Politics (1982), which described social maneuvering while explicitly quoting Machiavelli.[2]

"It ought to be remembered that there is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in its success, than to take the lead in the introduction of a new order of things."
- Niccolò Machiavelli, The Prince

This hypothesis posits that large brains and distinctive cognitive abilities of humans have evolved via intense social competition in which social competitors developed increasingly sophisticated “Machiavellian” strategies as a means to achieve higher social and reproductive success.[3]

Behaviors of organisms

Machiavellian intelligence may be demonstrated by primate behaviors including:

Criticisms

Food and nutrient factors

The claim that large brains are linked to large social groups in primates and cetaceans, on which the Machiavellian intelligence hypothesis is based, is criticized by a number of researchers for overlooking the availability of food as a common limiting factor for brain size and social group size. Among primates as well as cetaceans, there are some opportunistic species that eat most types of food and other species that are specialised in particular types of food, as well as differences in the overall availability of food between different geographical regions in which the animals live. Some critics of Machiavellian intelligence argue that species that have to keep their use of nutrients down due to food poverty or specialisation in a rare type of food lowers average brain size for species that live in smaller groups, making big brains falsely appear to be linked to large groups due to the common causes of opportunistic foraging for nutritious food and a rich supply of food. These critics also cite that the "exceptions" in the form of small-brained primates in very large groups typically eat abundant but nutrient-poor foods (such as geladas that eat grass), as predicted by the food-based model, and argue that the higher individual need for nutrients put on by large brains causes groups to become smaller if the species have the same degree of digestive specialisation and environmental availability of food.[4][5]

History

The term refers to the hypothesis that the techniques which lead to certain kinds of political success within large social groups are also applicable within smaller groups, including the family-unit. The term "everyday politics" was later introduced in reference to these various methods. These arguments are based on research by primatologists such as Nicholas Humphrey (1975).

gollark: (also, this is probably more <#496135660831375370>)
gollark: (this isn't about a single actual physical molecule or something changing, but the genes for it changing slightly over time and producing different verisons)
gollark: I guess so. If you need, say, ten changes to an enzyme to bring it from one state to a much better one, but it works much worse/totally breaks while it's in the middle of both, it's hard for it to evolve to the better version.
gollark: If one what is stuck?
gollark: I was going to say, though: with human eyes - the light-sensitive bit is behind some other stuff, and while a goal-directed human engineer would probably go "I'll just rotate this thing then", if you don't have a convenient series of changes which still leave everything working in each intermediate state, you can't really get it evolving into the new version.

See also

References
  1. Byrne, Richard W.; Whiten, Andrew (1990). "Machiavellian Intelligence: Social Expertise and the Evolution of Intellect in Monkeys, Apes, and Humans". Behavior and Philosophy. 18 (1): 73–75.
  2. Waal, Frans de; Waal, Frans B. M. (2007-09-30). Chimpanzee Politics: Power and Sex Among Apes. JHU Press. ISBN 9780801886560.
  3. Vose, Aaron; Gavrilets, Sergey (2006-11-07). "The dynamics of Machiavellian intelligence". Proceedings of the National Academy of Sciences. 103 (45): 16823–16828. arXiv:q-bio/0610002. Bibcode:2006PNAS..10316823G. doi:10.1073/pnas.0601428103. ISSN 0027-8424. PMC 1636539. PMID 17075072.
  4. DeCasien, Alex R.; Williams, Scott A.; Higham, James P. (27 March 2017). "Primate brain size is predicted by diet but not sociality". Nature Ecology & Evolution. 1 (5): 112. doi:10.1038/s41559-017-0112. PMID 28812699.
  5. Venditti, Chris (27 March 2017). "Evolution: Eating away at the social brain". Nature Ecology & Evolution. 1 (5): 1–2. doi:10.1038/s41559-017-0122. PMID 28812702.

Further reading
  • Carlson, N.R., et al. (2007). Psychology: The Science of Behaviour - 4th Canadian ed.. Toronto, ON: Neil R. Carlson.
  • Humphrey, N. K. (1976). The social function of the intellect. In P. P. G. Bateson & R. A. Hinde (eds.). Growing points in ethology. Cambridge: Cambridge University Press
  • Byrne, R. W., & Whiten, A. (1988). Machiavellian intelligence. Oxford: Oxford University Press
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