%0 Journal Article %J Japanese Psychological Research %D 2004 %T Development of social cognition in infant chimpanzees (Pan troglodytes): Face recognition, smiling, gaze, and the lack of triadic interactions %A Masaki Tomonaga %A Masayuki Tanaka %A Tetsuro Matsuzawa %A Masako Myowa-Yamakoshi %A Daisuke Kosugi %A Yuu Mizuno %A Sanae Okamoto %A Masami K Yamaguchi %A Kim A Bard %B Japanese Psychological Research %V 46 %P 227–235 %G eng %N 3