I think there was research done showing chimpanzees are more prone to thinking things out for themselves and humans are more prone to imitation without thinking

I think there was research done showing chimpanzees are more prone to thinking things out for themselves and humans are more prone to imitation without thinking, the authors suggested this is how culture is passed through so much more easily in humans than chimpanzees, because having to re-inventing the wheel in every newborn can take a lot of time. http://www.nytimes.com/2005/12/13/science/children-learn-by-monkey-see-monkey-do-chimps-dont.html?_r=0 http://www.nytimes.com/2005/12/13/science/children-learn-by-...