Social evolution Flashcards
What does Robin Dunbar argue?
Argues that human intelligence did not evolve primarily as a means to solve ecological problems, but rather as a means of survival and reproducing in large and complex social groups
What are some of the behaviours associated with living in large groups?
- reciprocal altruism
- Deception
- Coalition formation
What is Dunbar’s number?
150: it is a suggested cognitive limit to the number of people one can maintain a stable social relationship
What did Dunbar find a correlation of?
primate brain size and average group size
How is the 150 broken down?
5 intimate friends
15 good friends
50 close friends
150 friends
What does the social brain hypothesis state?
When hominids started living in large groups, selection favoured greater intelligence
What does the study of cognitive bias suggest?
Suggests a possible solution that concerns the complex attitudes towards vaccinations
What is neuroethics?
Investigates the evolution and natural history of nervous system structure which allows the prediction of human behaviour and decision making
What is adaptive bias?
The idea that human brains has evolved to reason adaptively, rather than rationally
What did Kahneman and Tversky demonstrate in 2002?
Behavioural economics: brain which has a bounded rationality
What is our dual process model of reasoning?
System 1: Intuitive Mode [fast/autonomous]
System 2: Rational mode [slow/deliberate]
What is availability heuristic?
When you make a judgment based on the information you have available in your mind
What is affect heuristic?
when you make a snap judgment based on a quick impression
