1. The Social Brain Ben Seymour Wellcome Trust Centre for Neuroimaging ESRC Centre for Economic Learning and Social Evolution

2. Beauty contest game You can select any number between 0 and 100. Whoever selects the number closest to 2/3 of the average of all the players’ numbers is the winner. Winner gets a prize!

3. Cooperative signals: many eyes are better than two.. Many eyes are better than two

4. The benefits of teamwork:

5. To share or not to share?

6. There’s a snake, honest!

7. Someone terrible lives here

8. Do we really need to fight?

9. Retributivism Consequentialism

10. empathy

11. Schadenfreude

12. Cooperation game with actors Watch each other get electric shocks Record brain activity player 1 player 2 cooperatedefect cooperate10/100/15 defect15/01/1 Empathy for the nice person Schadenfreude for the nasty person

13. Hunting stags and rabbits

14. Theory of Mind

15. Theory of mind Hierarchical value-functions –The brain codes parameters for working out how sophisticated others are first ordersecond orderthird order

16. Human pro-sociality: Trust and reciprocity. Reputation formation. –is it enough?

17. The importance of culture

18. Culture seeds altruism Human culture: learning how to make good decisions from others: Observation Apprenticeship Teaching

19. Culture seeds altruism Human culture: learning how to make good decisions from others: Observation Apprenticeship Teaching C

20. Now for the results: Acknowledgements: –Wako Yoshida –Tania Singer –Ray Dolan –Karl Friston –Chris Frith