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Author |
Gallup, G.G.J. |
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Title |
Do minds exist in species other than our own? |
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Journal Article |
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Year |
1985 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
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Volume |
9 |
Issue |
4 |
Pages |
631-641 |
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Keywords |
Animals; Awareness; *Behavior, Animal; Child Psychology; Child, Preschool; *Cognition; Consciousness; Evolution; Humans; Infant; Language; Pan troglodytes; Philosophy; Psychological Theory; Species Specificity |
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Abstract |
An answer to the question of animal awareness depends on evidence, not intuition, anecdote, or debate. This paper examines some of the problems inherent in an analysis of animal awareness, and whether animals might be aware of being aware is offered as a more meaningful distinction. A framework is presented which can be used to make a determination about the extent to which other species have experiences similar to ours based on their ability to make inferences and attributions about mental states in others. The evidence from both humans and animals is consistent with the idea that the capacity to use experience to infer the experience of others is a byproduct of self-awareness. |
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0149-7634 |
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PMID:4080281 |
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no |
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Equine Behaviour @ team @ |
Serial |
2808 |
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Author |
Poti, P. |
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Title |
Chimpanzees' constructional praxis (Pan paniscus, P. troglodytes) |
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Journal Article |
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Year |
2005 |
Publication |
Primates |
Abbreviated Journal |
Primates |
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Volume |
46 |
Issue |
2 |
Pages |
103-113 |
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Keywords |
Animals; *Cognition; *Discrimination Learning; Female; Male; Pan troglodytes/*physiology; Psychomotor Performance/*physiology; Spatial Behavior/*physiology; Species Specificity |
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Abstract |
This study investigated chimpanzees' spontaneous spatial constructions with objects and especially their ability to repeat inter-object spatial relations, which is basic to understanding spatial relations at a higher level than perception or recognition. Subjects were six chimpanzees-four chimpanzees and two bonobos-aged 6-21 years, all raised in a human environment from an early age. Only minor species differences, but considerable individual differences were found. The effect of different object samples was assessed through a comparison with a previous study. A common overall chimpanzee pattern was also found. Chimpanzees repeated different types of inter-object spatial relations such as insertion (I), or vertical (V), or next-to (H) relations. However chimpanzees repeated I or V relations with more advanced procedures than when repeating H relations. Moreover, chimpanzees never repeated combined HV relations. Compared with children, chimpanzees showed a specific difficulty in repeating H relations. Repeating H relations is crucial for representing and understanding multiple reciprocal spatial relations between detached elements and for coordinating independent positions in space. Therefore, the chimpanzees' difficulty indicates a fundamental difference in constructive space in comparison to humans. The findings are discussed in relation to issues of spatial cognition and tool use. |
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Address |
Istituto di Scienze e Tecnologie della Cognizione, CNR, via U. Aldrovandi 16b, 00197, Rome, Italy. p.poti@istc.cnr.it |
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0032-8332 |
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PMID:15378424 |
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Equine Behaviour @ team @ |
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2811 |
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Author |
Cohen, J. |
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Title |
Animal behavior. The world through a chimp's eyes |
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2007 |
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Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
316 |
Issue |
5821 |
Pages |
44-45 |
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Keywords |
Animal Communication; Animals; *Behavior, Animal; Cognition; Cooperative Behavior; Culture; Memory; Pan troglodytes/*psychology; Social Behavior; Tool Use Behavior |
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1095-9203 |
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PMID:17412932 |
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Equine Behaviour @ team @ |
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2832 |
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Author |
Pennisi, E. |
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Title |
Are out primate cousins 'conscious'? |
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Year |
1999 |
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Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
284 |
Issue |
5423 |
Pages |
2073-2076 |
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Keywords |
Animals; *Behavior, Animal; Cebus; *Consciousness; Empathy; Humans; Instinct; Intelligence; Learning; *Mental Processes; Pan troglodytes; *Primates |
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0036-8075 |
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PMID:10409060 |
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Equine Behaviour @ team @ |
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2843 |
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Author |
Hopkins, W.D.; Taglialatela, J.P.; Leavens, D.A. |
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Title |
Chimpanzees differentially produce novel vocalizations to capture the attention of a human |
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Journal Article |
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Year |
2007 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
73 |
Issue |
2 |
Pages |
281-286 |
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Keywords |
acoustic signals; chimpanzee; cognition; Pan troglodytes; vocal communication |
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Abstract |
Chimpanzees, Pan troglodytes, produce numerous species-atypical signals when raised in captivity. We examined contextual elements of the use of two of these vocal signals, the `raspberry' and the extended grunt. Our results demonstrate that these vocalizations are not elicited by the presence of food, but instead function as attention-getting signals. These findings reveal a heretofore underappreciated category of animal signals: attention-getting sounds produced in novel environmental circumstances. The invention and use of species-atypical signals, considered in relation to group differences in signalling repertoires in apes in their natural habitats, may index a generative capacity in these hominoid species without obvious corollary in other primate species. |
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Equine Behaviour @ team @ |
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2889 |
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Author |
Previc, F.H. |
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Title |
Thyroid hormone production in chimpanzees and humans: implications for the origins of human intelligence |
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Journal Article |
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Year |
2002 |
Publication |
American Journal of Physical Anthropology |
Abbreviated Journal |
Am J Phys Anthropol |
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Volume |
118 |
Issue |
4 |
Pages |
402-3; discussion 404-5 |
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Keywords |
Animals; Humans; *Intelligence; Pan troglodytes/*metabolism; Species Specificity; Thyroid Hormones/*biosynthesis |
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Northrop Grumman Information Technology, San Antonio, Texas 78228, USA. fred.previc@brooks.af.mil |
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0002-9483 |
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PMID:12124921 |
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Call Number |
Equine Behaviour @ team @ |
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4108 |
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Author |
Weiss, A.; King, J.E.; Figueredo, A.J. |
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Title |
The heritability of personality factors in chimpanzees (Pan troglodytes) |
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Journal Article |
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Year |
2000 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
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Volume |
30 |
Issue |
3 |
Pages |
213-221 |
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Keywords |
Animals; Female; Humans; Male; Models, Genetic; Pan troglodytes/*genetics; Personality/*genetics; Social Environment |
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Abstract |
Human personality and behavior genetic studies have resulted in a growing consensus that five heritable factors account for most variance in human personality. Prior research showed that chimpanzee personality is composed of a dominance-related factor and five human-like factors--Surgency, Dependability, Emotional Stability, Agreeableness, and Openness. Genetic, shared zoo, and nonshared environmental variance components of the six factors were estimated by regressing squared phenotypic differences of all possible pairs of chimpanzees onto 1 – Rij, where Rij equals the degree of relationship and a variable indicating whether the pair was housed in the same zoo. Dominance showed significant narrow-sense heritability. Shared zoo effects accounted for only a negligible proportion of the variance for all factors. |
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Department of Psychology, University of Arizona, Tucson 85721, USA. aweiss@u.arizona.edu |
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0001-8244 |
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PMID:11105395 |
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Equine Behaviour @ team @ |
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4143 |
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Author |
Hirata, S. |
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A note on the responses of chimpanzees (Pan troglodytes) to live self-images on television monitors |
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Journal Article |
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Year |
2007 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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75 |
Issue |
1 |
Pages |
85-90 |
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Keywords |
Animals; *Discrimination Learning; Female; Male; Pan troglodytes/*psychology; *Self Concept; Self Psychology; Social Behavior; Television |
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Abstract |
The majority of studies on self-recognition in animals have been conducted using a mirror as the test device; little is known, however, about the responses of non-human primates toward their own images in media other than mirrors. This study provides preliminary data on the reactions of 10 chimpanzees to live self-images projected on two television monitors, each connected to a different video camera. Chimpanzees could see live images of their own faces, which were approximately life-sized, on one monitor. On the other monitor, they could see live images of their whole body, which were approximately one-fifth life-size, viewed diagonally from behind. In addition, several objects were introduced into the test situation. Out of 10 chimpanzees tested, 2 individuals performed self-exploratory behaviors while watching their own images on the monitors. One of these two chimpanzees successively picked up two of the provided objects in front of a monitor, and watched the images of these objects on the monitor. The results indicate that these chimpanzees were able to immediately recognize live images of themselves or objects on the monitors, even though several features of these images differed from those of their previous experience with mirrors. |
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Great Ape Research Institute, Hayashibara Biochemical Laboratories Inc., Okayama, Japan. hirata@gari.be.to |
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0376-6357 |
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PMID:17324534 |
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Equine Behaviour @ team @ |
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4145 |
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Author |
Rumbaugh, D.M.; Riesen, A.H.; Wright, S.C. |
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Title |
Creative responsiveness to objects: a report of a pilot study with young apes |
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Journal Article |
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Year |
1972 |
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Folia Primatologica; International Journal of Primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
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17 |
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5 |
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397-403 |
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Animals; *Creativeness; *Hominidae; Pan troglodytes; Play and Playthings; *Problem Solving |
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0015-5713 |
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PMID:5082622 |
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Equine Behaviour @ team @ |
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4183 |
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Author |
Menzel, E.W.J. |
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Title |
Communication about the environment in a group of young chimpanzees |
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Journal Article |
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Year |
1971 |
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Folia Primatologica; International Journal of Primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
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15 |
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3 |
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220-232 |
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*Animal Communication; Animals; Environment; Fear; Leadership; *Pan troglodytes; Problem Solving; Social Behavior; Species Specificity; Vocalization, Animal |
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0015-5713 |
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PMID:5120654 |
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Equine Behaviour @ team @ |
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4184 |
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