- Evolution of social brain
Why so big? Represented by the neocortex, social groups and monogamy
- extended period of development ex: not being able to walk for a long time
- foraging (food source memory)
Social brain hypothesis (Byrne & Whiten’s Machievellian Intelligence hypothesis.)
- understand others and able to respond and act on other’s behaviours
- larger neocortex relative to rest of the brain related to number of people in your group
“Dunabr’s number”- size of brain relevant to your sociality (size of social group and certain
- read more on him and his work!
Bigger Brains in Pairbonds!
Species showing pair bonds have greater neocorte
birds and some other species, especially single pairbonds than polygamous
- primates* doesn’t matter if polygamous or monogamous – social connection similar
- Development of Theory of mind?
The Social Sense: Susceptibility to Others`Beliefs in Human Infants and Adults
When does the social mind first appear?
- theory theory tasks – “mind reading” Standard view: 4yrs vs. Radical view: 7m
– established by knowing a belief other than your own, events taking place and what is known
- theory of mind is key for cooperation – able to differentiate what you know and they know
- 56 seven month old infants
cartoon of a smurf, which watches a ball roll behind an object and either
- stops and remains hidden behind object
- starts rolling again and disappears by rolling off table
- smurf either watches the whole process or leaves too soon to see the ball’s final location
*infant look longer at situations where smurf is surprised/false belief – shows that infant is able to project
their own theory of mind on the smurf and able to see what the smurf’s theory of mind is
- Look at the video