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Author Tomasello, M.; Call, J. doi  openurl
  Title The role of humans in the cognitive development of apes revisited Type Journal Article
  Year 2004 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 7 Issue 4 Pages 213-215  
  Keywords Animals; *Behavior, Animal; *Cognition; Culture; Hominidae/*psychology; Humans; *Imitative Behavior; Imprinting (Psychology); *Intention; Social Behavior; *Social Environment; Species Specificity  
  Abstract (up)  
  Address Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. tomas@eva.mpg.de  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1435-9448 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:15278733 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2517  
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Author Tomasello, M.; Call, J. openurl 
  Title Do chimpanzees know what others see ? or only what they are looking at? Type Book Chapter
  Year 2006 Publication Rational Animals? Abbreviated Journal  
  Volume Issue Pages 371-384  
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  Publisher Oxford University Press Place of Publication Oxford Editor Nudds, M.; Hurley, S.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4094  
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Author Hare, B.; Rosati, A.; Kaminski, J.; Bräuer, J.; Call, J.; Tomasello, M. url  doi
openurl 
  Title The domestication hypothesis for dogs' skills with human communication: a response to Udell et al. (2008) and Wynne et al. (2008) Type Journal Article
  Year 2010 Publication Anim Behav Abbreviated Journal  
  Volume 79 Issue Pages  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Hare2010 Serial 6241  
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Author Tennie, C.; Call, J.; Tomasello, M. url  doi
openurl 
  Title Untrained chimpanzees (Pan troglodytes schweinfurthii) fail to imitate novel actions Type Journal Article
  Year 2012 Publication PLoS One Abbreviated Journal  
  Volume 7 Issue Pages  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Tennie2012 Serial 6289  
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Author Call, J. doi  openurl
  Title A fish-eye lens for comparative studies: broadening the scope of animal cognition Type Journal Article
  Year 2002 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 1 Pages 15-16  
  Keywords Animals; Behavior, Animal/physiology; Cognition/*physiology; Fishes/*physiology; Species Specificity  
  Abstract (up) ? is the article no longer available?  
  Address call@eva.mpg.de  
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  Language English Summary Language Original Title  
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  ISSN 1435-9448 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:11957396 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2616  
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Author Kaminski, J.; Call, J.; Tomasello, M. doi  openurl
  Title Body orientation and face orientation: two factors controlling apes' behavior from humans Type Journal Article
  Year 2004 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 7 Issue 4 Pages 216-223  
  Keywords Animals; *Attention; *Behavior, Animal; Cognition; *Concept Formation; Face; Facial Expression; Female; Fixation, Ocular; Hominidae/*psychology; Humans; Male; *Nonverbal Communication; *Orientation; Pan paniscus/psychology; Pan troglodytes/psychology; Pongo pygmaeus/psychology; *Posture; Social Perception; Species Specificity  
  Abstract (up) 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.  
  Address Max Planck Institute for Evolutionary Anthropology, Deutscher Plaz 6, 04103 Leipzig, Germany. kaminski@eva.mpg.de  
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  Series Volume Series Issue Edition  
  ISSN 1435-9448 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:15034765 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2538  
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Author Mersmann, D.; Tomasello, M.; Call, J.; Kaminski, J.; Taborsky, M. doi  openurl
  Title Simple Mechanisms Can Explain Social Learning in Domestic Dogs (Canis familiaris) Type Journal Article
  Year 2011 Publication Ethology Abbreviated Journal Ethology  
  Volume 117 Issue 8 Pages 675-690  
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  Abstract (up) Abstract Recent studies have suggested that domestic dogs (Canis familiaris) engage in highly complex forms of social learning. Here, we critically assess the potential mechanisms underlying social learning in dogs using two problem-solving tasks. In a classical detour task, the test dogs benefited from observing a demonstrator walking around a fence to obtain a reward. However, even inexperienced dogs did not show a preference for passing the fence at the same end as the demonstrator. Furthermore, dogs did not need to observe a complete demonstration by a human demonstrator to pass the task. Instead, they were just as successful in solving the problem after seeing a partial demonstration by an object passing by at the end of the fence. In contrast to earlier findings, our results suggest that stimulus enhancement (or affordance learning) might be a powerful social learning mechanism used by dogs to solve such detour problems. In the second task, we examined whether naïve dogs copy actions to solve an instrumental problem. After controlling for stimulus enhancement and other forms of social influence (e.g. social facilitation and observational conditioning), we found that dogs’ problem solving was not influenced by witnessing a skilful demonstrator (either an unknown human, a conspecific or the dog’s owner). Together, these results add to evidence suggesting that social learning may often be explained by relatively simple (but powerful) mechanisms.  
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  Publisher Blackwell Publishing Ltd Place of Publication Editor  
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  Series Volume Series Issue Edition  
  ISSN 1439-0310 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5409  
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Author Call, J. doi  openurl
  Title Beyond learning fixed rules and social cues: abstraction in the social arena Type Journal Article
  Year 2003 Publication Philosophical Transactions of the Royal Society B: Biological Sciences Abbreviated Journal Phil. Trans. Biol. Sci.  
  Volume 358 Issue 1435 Pages 1189-1196  
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  Abstract (up) Abstraction is a central idea in many areas of physical comparative cognition such as categorization, numerical competence or problem solving. This idea, however, has rarely been applied to comparative social cognition. In this paper, I propose that the notion of abstraction can be applied to the social arena and become an important tool to investigate the social cognition and behaviour processes in animals. To make this point, I present recent evidence showing that chimpanzees know about what others can see and about what others intend. These data do not fit either low-level mechanisms based on stimulus-response associations or high-level explanations based on metarepresentational mechanisms such as false belief attribution. Instead, I argue that social abstraction, in particular the development of concepts such as seeing in others, is key to explaining the behaviour of our closest relative in a variety of situations.  
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  Call Number refbase @ user @ Serial 3524  
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Author Hare, B.; Addessi, E.; Call, J.; Tomasello, M.; Visalberghi, E. url  doi
openurl 
  Title Do capuchin monkeys, Cebus apella, know what conspecifics do and do not see? Type Journal Article
  Year 2003 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 65 Issue 1 Pages 131-142  
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  Abstract (up) Capuchin monkeys were tested in five experiments in which two individuals competed over food. When given a choice between retrieving a piece of food that was visible or hidden from the dominant, subordinate animals preferred to retrieve hidden food. This preference is consistent with the hypotheses that either (1) the subordinate knew what the dominant could and could not see or (2) the subordinate was monitoring the behaviour of the dominant and avoiding the piece of food that it approached. To test between these alternatives, we released subordinates with a slight head start forcing them to make their choice (between a piece of food hidden or visible to the dominant) before the dominant entered the area. Unlike chimpanzees, Pan troglodytes, subordinates that were given a head start did not preferentially approach hidden pieces of food first. Therefore, our experiments provide little support for the hypothesis that capuchin monkeys are sensitive to what another individual does or does not see. We compare our results with those obtained with chimpanzees in the same paradigm and discuss the evolution of primate social cognition. Copyright 2003 The Association for the Study of Animal Behaviour. Published by Elsevier Science Ltd. All rights reserved.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 586  
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Author Bräuer, J.; Call, J.; Tomasello, M. url  doi
openurl 
  Title Chimpanzees do not take into account what others can hear in a competitive situation Type Journal Article
  Year 2008 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 11 Issue 1 Pages 1435-9448  
  Keywords Social cognition – Food competition – Perspective taking  
  Abstract (up) Chimpanzees (Pan troglodytes) know what others can and cannot see in a competitive situation. Does this reflect a general understanding the perceptions of others` In a study by Hare et al. (2000) pairs of chimpanzees competed over two pieces of food. Subordinate individuals preferred to approach food that was behind a barrier that the dominant could not see, suggesting that chimpanzees can take the visual perspective of others. We extended this paradigm to the auditory modality to investigate whether chimpanzees are sensitive to whether a competitor can hear food rewards being hidden. Results suggested that the chimpanzees did not take what the competitor had heard into account, despite being able to locate the hiding place themselves by the noise.  
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  Notes Approved no  
  Call Number Admin @ knut @ Serial 4218  
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