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Flashcards in Primate Intelligence Deck (10)
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0
Q

Hominin intelligence and brain sized is theorized to have increased as a result of?

A

tool use and extractive foraging

1
Q

define tool culture

A

a set of tools an animal uses

2
Q

Tool manufacture is limited to which primates?

A

chimpanzees and orangutans

3
Q

Chimpanzees have technical intelligence & tool use. Which 4 tools do they have?

A
  • probes
  • hammers
  • sponges
  • branches
4
Q

when were the earliest bipeds?

A

5-6 mya

5
Q

When were the first stone tools?

A

2.5 mya

6
Q

A dramatic brain size increase happened in primates how long ago?

A

300 mya

7
Q

Ecological intelligence in primates

A
  • hominin intelligence and brain size increase theorized as a result of benefits of navigating and foraging in a complex tropical forest ecosystem
  • climate change in late miocene may have been a driving force
  • many small-brained animals are just as successful as primates in the same complex enviroment
8
Q

Social intelligence

A
  • hominin intelligence and brain size increase theorized as a result of benefits of being politically or socially clever when living with others
  • individuals must remember the network of alliences, rivalries, debts and credit in the group
  • chimpanzees engage in a “service economy” where they barter alliances and support
  • those most successful with social relationships have more mating success
  • group size increase = brain size increase
  • intentional deception
9
Q

What is theory of mind

A
  • ability to understand the mental state of others
  • ability to lie, to imitate, to teach, all rely on the assumption that others think as you do
  • human children develop this after the age of 2