Chapter 9: Primate Intelligence

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Chapter 9 Primate Intelligence

• What is Intelligence?
• Environment or Social living?
• Social Intelligence

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Brain to Body Weight Across Species
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Food or Social Interactions?
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• If it is about seasonal foods like fruits, why
  arent Toucans smarter than baboons?
• Ice Age Temp Fluctuations?

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Food and Intelligence

• Tastes
• Meat
• Rich source of nutrition by weight
• Few or little poisons
• Man the Hunter (Lee and DeVore).
• Geographic spread
• Meat for sex marriage
• Reciprocity The Sex Contract (Helen Fisher)
• Meat for kids family
• Kin-Selection

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• Meat for friends coalitions/politics
• Hunting Return Variance problem
• Risk sharing and Reciprocal Altruism
• Meat for status
• Trophies and Showing off
• Other hunting adaptations
• Optimal foraging strategies
• More in Chapter 18
• Vegetables dont have minds
• Cost and benefits
• Weapon use
• Perhaps music?

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• Plants
• Largest contribution to diet
• Other primates
• Women the Gatherer
• Less risky than hunting
• Less travel distances
• Roots (Wrangham)
• Baboons
• Sex differences in spatial abilities

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Sexual division of labor is a human parenting
strategy based on reciprocity

• Implies a contract between men and women
• Monogamy and Fatherhood (Human Universals)
• Apes to Hunters and Gatherers
• Savannah are dispersed and low density
• High childhood mortality
• Need Father to provision and protect
• Household based economies
• Central Place Foraging pattern
• Sharing between households
• Networks of households
• Lineage based social groups (patrilocality)
• Which came first?

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Social Intelligence

• Kovu is using strategic intelligence
• Triadic Awareness
• Kovu for Congress
• Are Ants Intelligent?
• Large Coalitions, Complex Division of Labor,
  Agriculture, Domestication, Slavery, Warfare, and
  Architecture
• They solved the Cooperation Problem
• All share same reproductive interests
• r 1
• Changes the payoff matrix so that there is only
  one solution
• Defecting is like defecting on oneself

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• Sexually reproducing individuals require social
  intelligence to form and maintain Coalitions
• Ability to make complex social cost-benefit
  calculations
• Recognize individuals and keep track of
  interaction histories
• Recognize and measure units of cost and benefits
• Template for Reciprocal Altruism (cltbw)
• Tit-for-tat (golden rule) strategies
• Social Contract theory (Chapter 18)
• Trust
• Triadic Awareness
• Theory of Mind
• Theory of other minds
• Consciousness
• Manipulation and counter-manipulation arms race