| Records |
Author  |
Adachi, I.; Kuwahata, H.; Fujita, K. |
| Title |
Dogs recall their owner's face upon hearing the owner's voice |
Type |
Journal Article |
| Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
10 |
Issue |
1 |
Pages |
17-21 |
| Keywords |
Cross-modal representation – Natural concepts – Dogs |
| Abstract |
Abstract We tested whether dogs have a cross-modal representation of human individuals. We presented domestic dogs with a photo of either the owner's or a stranger's face on the LCD monitor after playing back a voice of one of those persons. A voice and a face matched in half of the trials (Congruent condition) and mismatched in the other half (Incongruent condition). If our subjects activate visual images of the voice, their expectation would be contradicted in Incongruent condition. It would result in the subjects` longer looking times in Incongruent condition than in Congruent condition. Our subject dogs looked longer at the visual stimulus in Incongruent condition than in Congruent condition. This suggests that dogs actively generate their internal representation of the owner's face when they hear the owner calling them. This is the first demonstration that nonhuman animals do not merely associate auditory and visual stimuli but also actively generate a visual image from auditory information. Furthermore, our subject also looked at the visual stimulus longer in Incongruent condition in which the owner's face followed an unfamiliar person's voice than in Congruent condition in which the owner's face followed the owner's voice. Generating a particular visual image in response to an unfamiliar voice should be difficult, and any expected images from the voice ought to be more obscure or less well defined than that of the owners. However, our subjects looked longer at the owner's face in Incongruent condition than in Congruent condition. This may indicate that dogs may have predicted that it should not be the owner when they heard the unfamiliar person's voice. |
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Admin @ knut @ |
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4222 |
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| Author |
Anderson, J.R. |
| Title |
Self-recognition in dolphins: credible cetaceans; compromised criteria, controls, and conclusions |
Type |
Journal Article |
| Year |
1995 |
Publication |
Consciousness and Cognition |
Abbreviated Journal |
Conscious Cogn |
| Volume |
4 |
Issue |
2 |
Pages |
239-243 |
| Keywords |
Animal Communication; Animals; *Awareness; Discrimination Learning; Dolphins/*psychology; Female; Male; Orientation; *Self Concept; Social Behavior; *Television; *Visual Perception |
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Laboratoire de Psychophysiologie, CNRS URA 1295, Universite Louis Pasteur, Strasbourg, France |
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English |
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1053-8100 |
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PMID:8521263 |
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no |
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Equine Behaviour @ team @ |
Serial |
4163 |
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Anderson, J.R.; Kuroshima, H.; Kuwahata, H.; Fujita, K. |
| Title |
Do squirrel monkeys (Saimiri sciureus) and capuchin monkeys (Cebus apella) predict that looking leads to touching? |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
7 |
Issue |
3 |
Pages |
185-192 |
| Keywords |
Animals; Association Learning; *Attention; Cebus/*psychology; Cognition; *Concept Formation; Cues; Fixation, Ocular; Humans; *Nonverbal Communication; Recognition (Psychology); Saimiri/*psychology; Social Behavior; Species Specificity |
| Abstract |
Squirrel monkeys (Saimiri sciureus) and capuchin monkeys (Cebus apella) were tested using an expectancy violation procedure to assess whether they use an actor's gaze direction, signaled by congruent head and eye orientation, to predict subsequent behavior. The monkeys visually habituated to a repeated sequence in which the actor (a familiar human or a puppet) looked at an object and then picked it up, but they did not react strongly when the actor looked at an object but then picked up another object. Capuchin monkeys' responses in the puppet condition were slightly more suggestive of expectancy. There was no differential responding to congruent versus incongruent look-touch sequences when familiarization trials were omitted. The weak findings contrast with a strongly positive result previously reported for tamarin monkeys. Additional evidence is required before concluding that behavior prediction based on gaze cues typifies primates; other approaches for studying how they process attention cues are indicated. |
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Department of Psychology, University of Stirling, FK9 4LA, Stirling, Scotland. jra1@stir.ac.uk |
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English |
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1435-9448 |
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| Notes |
PMID:15022054 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2540 |
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| Author |
Bermudez, J.L. |
| Title |
The moral significance of birth |
Type |
Journal Article |
| Year |
1996 |
Publication |
Ethics |
Abbreviated Journal |
Ethics |
| Volume |
106 |
Issue |
2 |
Pages |
378-403 |
| Keywords |
Abortion, Induced; Animal Rights; Animals; Beginning of Human Life; Embryonic and Fetal Development; *Ethical Analysis; *Ethics; *Fetus; Homicide; Humans; *Individuality; *Infant, Newborn; Infant, Premature; Infanticide; *Labor, Obstetric; Life; *Personhood; Philosophy; Primates; Psychology; *Self Concept; *Value of Life; Analytical Approach; Genetics and Reproduction; Philosophical Approach |
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English |
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0014-1704 |
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PMID:11656645; KIE: 31 fn.; KIE: KIE BoB Subject Heading: fetuses; KIE: KIE BoB Subject Heading: personhood |
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no |
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Equine Behaviour @ team @ |
Serial |
4177 |
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| Author |
Bovet, D.; Vauclair, J.; Blaye, A. |
| Title |
Categorization and abstraction abilities in 3-year-old children: a comparison with monkey data |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
1 |
Pages |
53-59 |
| Keywords |
Animals; Child Development; Child, Preschool; *Classification; *Concept Formation; *Discrimination Learning; Female; *Form Perception; Humans; Male; Papio; Pattern Recognition, Visual; *Problem Solving; Species Specificity |
| Abstract |
Three-year-old children were tested on three categorization tasks of increasing levels of abstraction (used with adult baboons in an earlier study): the first was a conceptual categorization task (food vs toys), the second a perceptual matching task (same vs different objects), and the third a relational matching task in which the children had to sort pairs according to whether or not the two items belonged to the same or different categories. The children were tested using two different procedures, the first a replication of the procedure used with the baboons (pulling one rope for a category or a relationship between two objects, and another rope for the other category or relationship), the second a task based upon children's prior experiences with sorting objects (putting in the same box objects belonging to the same category or a pair of objects exemplifying the same relation). The children were able to solve the first task (conceptual categorization) when tested with the sorting into boxes procedure, and the second task (perceptual matching) when tested with both procedures. The children were able to master the third task (relational matching) only when the rules were clearly explained to them, but not when they could only watch sorting examples. In fact, the relational matching task without explanation requires analogy abilities that do not seem to be fully developed at 3 years of age. The discrepancies in performances between children tested with the two procedures, with the task explained or not, and the discrepancies observed between children and baboons are discussed in relation to differences between species and/or problem-solving strategies. |
| Address |
Center for Research in Psychology of Cognition, Language and Emotion, Universite de Provence, Aix-en-Provence, France. dbovet@u-paris10.fr |
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1435-9448 |
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PMID:15300466 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2516 |
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| Author |
Call, J. |
| Title |
Inferences by exclusion in the great apes: the effect of age and species |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
9 |
Issue |
4 |
Pages |
393-403 |
| Keywords |
Age Factors; Animals; Association Learning; *Cognition; *Concept Formation; *Discrimination Learning; Female; Gorilla gorilla; Hominidae/classification/*psychology; Male; Pan paniscus; Pan troglodytes; Pongo pygmaeus; *Problem Solving; Species Specificity |
| Abstract |
This study investigated the ability of chimpanzees, gorillas, orangutans, and bonobos to make inferences by exclusion using the procedure pioneered by Premack and Premack (Cognition 50:347-362, 1994) with chimpanzees. Thirty apes were presented with two different food items (banana vs. grape) on a platform and covered with identical containers. One of the items was removed from the container and placed between the two containers so that subjects could see it. After discarding this item, subjects could select between the two containers. In Experiment 1, apes preferentially selected the container that held the item that the experimenter had not discarded, especially if subjects saw the experimenter remove the item from the container (but without seeing the container empty). Experiment 3 in which the food was removed from one of the containers behind a barrier confirmed these results. In contrast, subjects performed at chance levels when a stimulus (colored plastic chip: Exp. 1; food item: Exp. 2 and Exp. 3) designated the item that had been removed. These results indicated that apes made inferences, not just learned to use a discriminative cue to avoid the empty container. Apes perceived and treated the item discarded by the experimenter as if it were the very one that had been hidden under the container. Results suggested a positive relationship between age and inferential ability independent of memory ability but no species differences. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany. call@eva.mpg.de |
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1435-9448 |
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PMID:16924458 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2444 |
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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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Washington, D.C. : 1983 |
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English |
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0735-7036 |
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PMID:14498801 |
Approved |
no |
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refbase @ user @ |
Serial |
713 |
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| Author |
Call, J.; Carpenter, M.; Tomasello, M. |
| Title |
Copying results and copying actions in the process of social learning: chimpanzees (Pan troglodytes) and human children (Homo sapiens) |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
3 |
Pages |
151-163 |
| Keywords |
Animals; Child Behavior; Child, Preschool; *Concept Formation; Female; Humans; *Imitative Behavior; *Learning; Male; Pan troglodytes; *Problem Solving; Psychomotor Performance; Random Allocation; *Social Environment; Species Specificity |
| Abstract |
There is currently much debate about the nature of social learning in chimpanzees. The main question is whether they can copy others' actions, as opposed to reproducing the environmental effects of these actions using their own preexisting behavioral strategies. In the current study, chimpanzees (Pan troglodytes) and human children (Homo sapiens) were shown different demonstrations of how to open a tube-in both cases by a conspecific. In different experimental conditions, demonstrations consisted of (1) action only (the actions necessary to open the tube without actually opening it); (2) end state only (the open tube, without showing any actions); (3) both of these components (in a full demonstration); or (4) neither of these components (in a baseline condition). In the first three conditions subjects saw one of two different ways that the tube could open (break in middle; caps off ends). Subjects' behavior in each condition was assessed for how often they opened the tube, how often they opened it in the same location as the demonstrator, and how often they copied the demonstrator's actions or style of opening the tube. Whereas chimpanzees reproduced mainly the environmental results of the demonstrations (emulation), human children often reproduced the demonstrator's actions (imitation). Because the procedure used was similar in many ways to the procedure that Meltzoff (Dev Psych 31:1, 1995) used to study the understanding of others' unfulfilled intentions, the implications of these findings with regard to chimpanzees' understanding of others' intentions are also discussed. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany. call@eva.mpg.de |
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English |
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1435-9448 |
ISBN |
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| Notes |
PMID:15490290 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2504 |
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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
The representation of social relations by monkeys |
Type |
Journal Article |
| Year |
1990 |
Publication |
Cognition |
Abbreviated Journal |
Cognition |
| Volume |
37 |
Issue |
1-2 |
Pages |
167-196 |
| Keywords |
Animals; Cercopithecus aethiops/*psychology; Concept Formation; *Dominance-Subordination; Female; Macaca fascicularis/*psychology; Male; *Social Behavior; *Social Environment |
| Abstract |
Monkeys recognize the social relations that exist among others in their group. They know who associates with whom, for example, and other animals' relative dominance ranks. In addition, monkeys appear to compare types of social relations and make same/different judgments about them. In captivity, longtailed macaques (Macaca fascicularis) trained to recognize the relation between one adult female and her offspring can identify the same relation among other mother-offspring pairs, and distinguish this relation from bonds between individuals who are related in a different way. In the wild, if a vervet monkey (Cercopithecus aethiops) has seen a fight between a member of its own family and a member of Family X, this increases the likelihood that it will act aggressively toward another member of Family X. Vervets act as if they recognize some similarity between their own close associates and the close associates of others. To make such comparisons the monkeys must have some way of representing the properties of social relationships. We discuss the adaptive value of such representations, the information they contain, their structure, and their limitations. |
| Address |
Department of Anthropology, University of Pennsylvania, Philadelphia 19104 |
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English |
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0010-0277 |
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PMID:2269006 |
Approved |
no |
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refbase @ user @ |
Serial |
702 |
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| Author |
Cheney, D.L.; Seyfarth, R.M.; Silk, J.B. |
| Title |
The responses of female baboons (Papio cynocephalus ursinus) to anomalous social interactions: evidence for causal reasoning? |
Type |
Journal Article |
| Year |
1995 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
109 |
Issue |
2 |
Pages |
134-141 |
| Keywords |
Animals; Attention; Auditory Perception; *Awareness; *Concept Formation; *Dominance-Subordination; Fear; Female; Hierarchy, Social; Papio/*psychology; *Social Behavior; Social Environment; Vocalization, Animal |
| Abstract |
Baboons' (Papio cynocephalus ursinus) understanding of cause-effect relations in the context of social interactions was examined through use of a playback experiment. Under natural conditions, dominant female baboons often grunt to more subordinate mothers when interacting with their infants. Mothers occasionally respond to these grunts by uttering submissive fear barks. Subjects were played causally inconsistent call sequences in which a lower ranking female apparently grunted to a higher ranking female, and the higher ranking female apparently responded with fear barks. As a control, subjects heard a sequence made causally consistent by the inclusion of grunts from a 3rd female that was dominant to both of the others. Subjects responded significantly more strongly to the causally inconsistent sequences, suggesting that they recognized the factors that cause 1 individual to give submissive vocalizations to another. |
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Department of Biology, University of Pennsylvania, Philadelphia 19104, USA |
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English |
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Edition |
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0735-7036 |
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PMID:7758289 |
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no |
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refbase @ user @ |
Serial |
348 |
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