| Records |
| Author |
Brauer, J.; Kaminski, J.; Riedel, J.; Call, J.; Tomasello, M. |
| Title |
Making inferences about the location of hidden food: social dog, causal ape |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of comparative psychology |
Abbreviated Journal |
J Comp Psychol |
| Volume |
120 |
Issue |
1 |
Pages |
38-47 |
| Keywords |
Animals; Communication; Cues; Dogs; Exploratory Behavior; *Feeding Behavior; Female; *Food; Male; Pan paniscus; Pan troglodytes; *Visual Perception |
| Abstract |
Domestic dogs (Canis familiaris) and great apes from the genus Pan were tested on a series of object choice tasks. In each task, the location of hidden food was indicated for subjects by some kind of communicative, behavioral, or physical cue. On the basis of differences in the ecologies of these 2 genera, as well as on previous research, the authors hypothesized that dogs should be especially skillful in using human communicative cues such as the pointing gesture, whereas apes should be especially skillful in using physical, causal cues such as food in a cup making noise when it is shaken. The overall pattern of performance by the 2 genera strongly supported this social-dog, causal-ape hypothesis. This result is discussed in terms of apes' adaptations for complex, extractive foraging and dogs' adaptations, during the domestication process, for cooperative communication with humans. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. jbraeuer@eva.mpg.de |
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| Publisher |
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Place of Publication  |
Washington, D.C. : 1983 |
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| Language |
English |
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Edition |
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| ISSN |
0735-7036 |
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| Notes |
PMID:16551163 |
Approved |
yes |
| Call Number |
refbase @ user @ |
Serial |
597 |
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| Author |
Call, J.; Brauer, J.; Kaminski, J.; Tomasello, M. |
| Title |
Domestic dogs (Canis familiaris) are sensitive to the attentional state of humans |
Type |
Journal Article |
| Year |
2003 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
117 |
Issue |
3 |
Pages |
257-263 |
| Keywords |
Animals; *Appetitive Behavior; *Attention; *Bonding, Human-Pet; *Concept Formation; Cues; Dogs/*psychology; Female; Humans; *Inhibition (Psychology); Male; Nonverbal Communication |
| Abstract |
Twelve domestic dogs (Canis familiaris) were given a series of trials in which they were forbidden to take a piece of visible food. In some trials, the human continued to look at the dog throughout the trial (control condition), whereas in others, the human (a) left the room, (b) turned her back, (c) engaged in a distracting activity, or (d) closed her eyes. Dogs behaved in clearly different ways in most of the conditions in which the human did not watch them compared with the control condition, in which she did. In particular, when the human looked at them, dogs retrieved less food, approached it in a more indirect way, and sat (as opposed to laid down) more often than in the other conditions. Results are discussed in terms of domestic dogs' social-cognitive skills and their unique evolutionary and ontogenetic histories. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. call@eva.mpg.de |
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Place of Publication |
Washington, D.C. : 1983 |
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English |
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0735-7036 |
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| Notes |
PMID:14498801 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
713 |
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| Author |
Tomasello, M.; Call, J. |
| Title |
Do chimpanzees know what others see ? or only what they are looking at? |
Type |
Book Chapter |
| Year |
2006 |
Publication |
Rational Animals? |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
371-384 |
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| Publisher |
Oxford University Press |
Place of Publication |
Oxford |
Editor |
Nudds, M.; Hurley, S. |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4094 |
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| Author |
Tomasello, M.; Call,J |
| Title |
Primate Cognition |
Type |
Book Whole |
| Year |
1997 |
Publication |
Oxford University Press |
Abbreviated Journal |
Oxf. Univ. Pr. |
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Issue |
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Pages |
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| Abstract |
Description
Ever since Charles Darwin first formulated his theories on evolution, much research has been conducted in primate cognition. In this book, Michael Tomasello and Josep Call review what is already known about the cognitive skills of nonhuman primates, and assess the current state of our knowledge. They integrate empirical findings on the topic from the beginning of the century to the present, placing this work in theoretical perspective. The first part examines the way primates adapt to their physical world, mostly for the purpose of foraging. The second part lokos at primate social knowledhe and focuses on the adaptations of primates to their social world for purposes of competation and cooperation. In the third section, the authors construct a general theory of primate cognition, distinguishing the cognition in primates from that of other mammals (human in particular). Their broad-ranging theory should provide a guide for future research. Primate Cognition is an enlightening exploration of the cognitive capacities of our nearest primate relatives. It is a useful resource for a eide range of researchers and students in psychology, behavioral biology, primatology, and anthropology. |
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Oxford University Press |
Place of Publication |
Oxford |
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ISBN |
9780195106244 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4424 |
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| Author |
Tomasello, M. |
| Title |
Do apes ape? |
Type |
Book Chapter |
| Year |
1996 |
Publication |
Social learning in animals: the roots of culture |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
319-346 |
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Academic Press |
Place of Publication |
London |
Editor |
Heyes, C. M.; Galef, B.G. |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5600 |
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| Author |
Tomasello, M. |
| Title |
The cultural origins of human cognition. |
Type |
Book Whole |
| Year |
1999 |
Publication |
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Issue |
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Pages |
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Harvard University Press |
Place of Publication |
Camebridge,MA. |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5597 |
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| Author |
Tomasello, M. |
| Title |
Cultural transmission in the tool use and communicatory signalling of chimpanzees? |
Type |
Book Chapter |
| Year |
1990 |
Publication |
Language and Intelligence in Monkeys and Apes. |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
274-311 |
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| Publisher |
Cambridge University Press |
Place of Publication |
Cambridge |
Editor |
Parker,S.T.;Gibson,K.R. |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
5267 |
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| Author |
Itakura, S.; Agnetta, B.; Hare, B.; Tomasello, M. |
| Title |
Chimpanzee Use of Human and Conspecific Social Cues to Locate Hidden Food |
Type |
Journal Article |
| Year |
2001 |
Publication |
Developmental Science |
Abbreviated Journal |
Dev Sci |
| Volume |
2 |
Issue |
2 |
Pages |
448 - 456 |
| Keywords |
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| Abstract |
Two studies are reported in which chimpanzees attempted to use social cues to locate hidden food in one of two possible hiding places. In the first study four chimpanzees were exposed to a local enhancement cue (the informant approached and looked to the location where food was hidden and then remained beside it) and a gaze/point cue (the informant gazed and manually pointed towards the location where the food was hidden). Each cue was given by both a human informant and a chimpanzee informant. In the second study 12 chimpanzees were exposed to a gaze direction cue in combination with a vocal cue (the human informant gazed to the hiding location and produced one of two different vocalizations – a 'food-bark' or a human word-form). The results were – (i) all subjects were quite skillful with the local enhancement cue, no matter who produced it; (ii) few subjects were skillful with the gaze/point cue, no matter who produced it (most of these being individuals who had been raised in infancy by humans); and (iii) most subjects were skillful when the human gazed and vocalized at the hiding place, with little difference between the two types of vocal cue. Findings are discussed in terms of chimpanzees' apparent need for additional cues, over and above gaze direction cues, to indicate the presence of food. |
| Address |
Department of Psychology and Yerkes Regional Primate Research Center, Emory University, USA DOI – 10.1111/1467-7687.00089 |
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Place of Publication |
Blackwell Publishers Ltd. 1999 |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4973 |
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| Author |
Herrmann, E.; Melis, A.P.; Tomasello, M. |
| Title |
Apes' use of iconic cues in the object-choice task |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
9 |
Issue |
2 |
Pages |
118-130 |
| Keywords |
Animal Communication; Animals; *Appetitive Behavior; *Choice Behavior; *Cues; Female; Gorilla gorilla; Male; *Nonverbal Communication; Pan paniscus; Pan troglodytes; Pongo pygmaeus; *Problem Solving; Space Perception; Species Specificity; Statistics, Nonparametric |
| Abstract |
In previous studies great apes have shown little ability to locate hidden food using a physical marker placed by a human directly on the target location. In this study, we hypothesized that the perceptual similarity between an iconic cue and the hidden reward (baited container) would help apes to infer the location of the food. In the first two experiments, we found that if an iconic cue is given in addition to a spatial/indexical cue – e.g., picture or replica of a banana placed on the target location – apes (chimpanzees, bonobos, orangutans, gorillas) as a group performed above chance. However, we also found in two further experiments that when iconic cues were given on their own without spatial/indexical information (iconic cue held up by human with no diagnostic spatial/indexical information), the apes were back to chance performance. Our overall conclusion is that although iconic information helps apes in the process of searching hidden food, the poor performance found in the last two experiments is due to apes' lack of understanding of the informative (cooperative) communicative intention of the experimenter. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. eherrman@eva.mpg.de |
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English |
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Series Issue |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:16395566 |
Approved |
no |
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Serial |
14 |
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| Author |
Melis, A.P.; Hare, B.; Tomasello, M. |
| Title |
Engineering cooperation in chimpanzees: tolerance constraints on cooperation |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
72 |
Issue |
2 |
Pages |
275-286 |
| Keywords |
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| Abstract |
The cooperative abilities of captive chimpanzees, Pan troglodytes, in experiments do not match the sophistication that might be predicted based on their naturally occurring cooperative behaviours. This discrepancy might partly be because in previous experiments potential chimpanzee cooperators were partnered without regard to their social relationship. We investigated the ability of chimpanzee dyads to solve a physical task cooperatively in relation to their interindividual tolerance levels. Pairs that were most capable of sharing food outside the test were also able to cooperate spontaneously (by simultaneously pulling two ropes) to obtain food. In contrast, pairs that were less inclined to share food outside of the test were unlikely to cooperate. Furthermore, previously successful subjects stopped cooperating when paired with a less tolerant partner, even when the food rewards were presented in a dispersed and divisible form to reduce competition between subjects. These results show that although chimpanzees are capable of spontaneous cooperation in a novel instrumental task, tolerance acts as a constraint on their ability to solve such cooperative problems. This finding highlights the importance of controlling such social constraints in future experiments on chimpanzee cooperation, and suggests that the evolution of human-like cooperative skills might have been preceded by the evolution of a more egalitarian social system and a more human-like temperament. |
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no |
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refbase @ user @ |
Serial |
287 |
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