Chimpanzees know what others know, but not what they believe Export

@article{citeulike:4453853, abstract = {There is currently much controversy about which, if any, mental states chimpanzees and other nonhuman primates understand. In the current two studies we tested both chimpanzees' and human children's understanding of both knowledge–ignorance and false belief – in the same experimental paradigm involving competition with a conspecific. We found that whereas 6-year-old children understood both of these mental states, chimpanzees understood knowledge–ignorance but not false belief. After ruling out various alternative explanations of these and related findings, we conclude that in at least some situations chimpanzees know what others know. Possible explanations for their failure in the highly similar false belief task are discussed.}, author = {Kaminski, J. and Call, J. and Tomasello, M.}, citeulike-article-id = {4453853}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.cognition.2008.08.010}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0010027708001881}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/18849023}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=18849023}, doi = {10.1016/j.cognition.2008.08.010}, issn = {00100277}, journal = {Cognition}, keywords = {\_tomem\_, belief, chimpanzee, nonverbal, primate, seeing\_knowing, theory\_of\_mind}, month = {November}, number = {2}, pages = {224--234}, posted-at = {2009-05-03 09:20:24}, priority = {3}, title = {Chimpanzees know what others know, but not what they believe}, url = {http://dx.doi.org/10.1016/j.cognition.2008.08.010}, volume = {109}, year = {2008} }

TY - JOUR ID - citeulike:4453853 L3 - citeulike-article-id:4453853 N2 - There is currently much controversy about which, if any, mental states chimpanzees and other nonhuman primates understand. In the current two studies we tested both chimpanzees’ and human children’s understanding of both knowledge–ignorance and false belief – in the same experimental paradigm involving competition with a conspecific. We found that whereas 6-year-old children understood both of these mental states, chimpanzees understood knowledge–ignorance but not false belief. After ruling out various alternative explanations of these and related findings, we conclude that in at least some situations chimpanzees know what others know. Possible explanations for their failure in the highly similar false belief task are discussed. IS - 2 JF - Cognition SN - 00100277 EP - 234 TI - Chimpanzees know what others know, but not what they believe VL - 109 SP - 224 KW - _tomem_ KW - belief KW - chimpanzee KW - nonverbal KW - primate KW - seeing_knowing KW - theory_of_mind AU - Kaminski, J AU - Call, J AU - Tomasello, M PY - 2008/11// UR - http://dx.doi.org/10.1016/j.cognition.2008.08.010 ER -