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Tomasello, M., & Call, J. (2004). The role of humans in the cognitive development of apes revisited. Anim. Cogn., 7(4), 213–215.
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Byrnl, R. W., & Tomasello, M. (1995). Do rats ape? Anim. Behav., 50(5), 1417–1420.
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Tomasello, M., & Call, J. (2006). Do chimpanzees know what others see ? or only what they are looking at? In M. Nudds, & S. Hurley (Eds.), Rational Animals? (pp. 371–384). Oxford: Oxford University Press.
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Tomasello, M. (1990). Cultural transmission in the tool use and communicatory signalling of chimpanzees? In S. T. Parker, & K. R. Gibson (Eds.), Language and Intelligence in Monkeys and Apes. (pp. 274–311). Cambridge: Cambridge University Press.
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Tomasello, M. (1999). The cultural origins of human cognition. Camebridge,MA.: Harvard University Press.
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Tomasello, M. (1996). Do apes ape? In C. M. Heyes, & B. G. Galef (Eds.), Social learning in animals: the roots of culture (pp. 319–346). London: Academic Press.
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Hare, B., Rosati, A., Kaminski, J., Bräuer, J., Call, J., & Tomasello, M. (2010). The domestication hypothesis for dogs' skills with human communication: a response to Udell et al. (2008) and Wynne et al. (2008). Anim Behav, 79.
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Tennie, C., Call, J., & Tomasello, M. (2012). Untrained chimpanzees (Pan troglodytes schweinfurthii) fail to imitate novel actions. PLoS One, 7.
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Warneken, F., Hare, B., Melis, A. P., Hanus, D., & Tomasello, M. (2007). Spontaneous Altruism by Chimpanzees and Young Children. PLoS Biol, 5(7), e184 EP -.
Abstract: <p>Experimental evidence reveals that chimpanzees will help other unrelated humans and conspecifics without a reward, showing that they share crucial aspects of altruism with humans.</p>
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Kaminski, J., Call, J., & Tomasello, M. (2004). Body orientation and face orientation: two factors controlling apes' behavior from humans. Anim. Cogn., 7(4), 216–223.
Abstract: A number of animal species have evolved the cognitive ability to detect when they are being watched by other individuals. Precisely what kind of information they use to make this determination is unknown. There is particular controversy in the case of the great apes because different studies report conflicting results. In experiment 1, we presented chimpanzees, orangutans, and bonobos with a situation in which they had to request food from a human observer who was in one of various attentional states. She either stared at the ape, faced the ape with her eyes closed, sat with her back towards the ape, or left the room. In experiment 2, we systematically crossed the observer's body and face orientation so that the observer could have her body and/or face oriented either towards or away from the subject. Results indicated that apes produced more behaviors when they were being watched. They did this not only on the basis of whether they could see the experimenter as a whole, but they were sensitive to her body and face orientation separately. These results suggest that body and face orientation encode two different types of information. Whereas face orientation encodes the observer's perceptual access, body orientation encodes the observer's disposition to transfer food. In contrast to the results on body and face orientation, only two of the tested subjects responded to the state of the observer's eyes.
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