Wednesday, August 14, 2002

PRIMATE BRAINS HAVE CHEAT DETECTORS

Brains sniff out scam artists
Evolution might have programmed us to compute fairness.
13 August 2002
KENDALL POWELL

The human brain contains dedicated circuits to detect cheaters, say researchers. The same team has found that people from different cultures are equally good at spotting unfair behaviour....

All social primates, such as Rhesus monkeys and chimpanzees, recognize social exchange and cheaters, so the adaptation may be evolutionarily quite old.