| ethological study of manual laterality in naturalistic housed chimpanzees (pan troglodytes) from the mona foundation sanctuary (girona, spain). | during recent years, handedness of nonhuman primates has been the subject of several studies, especially focused on our closest relatives: the chimpanzees. these studies have dealt with both wild and captive chimpanzees, and they seem to point to divergent conclusions, which have been interpreted as a by-product of the human influence in the captive samples. here we present the results of a study of 10 chimpanzees (pan troglodytes). in the past, they were trained in circus and marketing tasks (h ... | 2007 | 17090447 |