Joan Silk
Joan Silk
behave complete cost generous greater humans knew motivated order personal provide rewards situations ways willing
Humans in situations like this, and at a greater personal cost to themselves, are willing to behave in generous ways with complete strangers, ... These chimps were not motivated to provide rewards to others, even those that they knew socially. In order to be pro-social, you have to demonstrate that it is about the other. This just didn't happen.
altruism desires human thoughts understand
Human altruism is thought to be based, in part, on empathy. To be empathetic, you need to understand the thoughts and desires of others.