Soziale und Physikalische Kognition bei Altweltaffen - eine vergleichende Perspektive

Primates have brains that are approximately twice as large as those of other similarly-sized mammals. Furthermore, also within the primate order brains have not only become increasingly large, but have also revealed a significant increase in cortical mass. The social brain hypothesis posits that this increase is due to the demands of life in a complex social group, and data regarding the relationship between brain size and social complexity support this view. Whether this pressure only affect