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Author |
Kuroshima, H.; Fujita, K.; Adachi, I.; Iwata, K.; Fuyuki, A. |
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Title |
A Capuchin monkey (Cebus apella) recognizes when people do and do not know the location of food |
Type |
Journal Article |
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Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
6 |
Issue |
4 |
Pages |
283-291 |
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Keywords |
Adaptation, Psychological; Animals; Cebus/*psychology; *Communication; Concept Formation; *Cues; *Discrimination Learning; Feeding Behavior/*psychology; Female; Intention; Male; Social Identification; Transfer (Psychology) |
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Abstract |
In a previous study, Kuroshima and colleagues demonstrated that capuchin monkeys (Cebus apella) learned to discriminate between a “knower” who inspected a box for food, and a “guesser” who did not. The aim of the present study was to specify whether the subjects learned a simple conditional discrimination or a causal relationship that seeing leads to knowing. In experiment 1, we introduced five types of novel containers to two subjects. Each container was of different shape and color. The subjects gradually learned to reach toward the container the knower suggested. In experiment 2, we diversified the behavior of the knower and the guesser. In experiment 3, in order to eliminate the possibility of discrimination based on differences in the magnitude and the complexity of two trainers, we equated their behaviors. One subject adapted to the novel behaviors of the knower and the guesser, successfully discriminating the two trainers. Thus this monkey clearly learned to use the inspecting action of the knower and the non-inspecting action of the guesser as a discriminative cue to recognize the baited container. This result suggests that one capuchin monkey learned to recognize the relationship between seeing and knowing. |
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Graduate School of Letters, Department of Psychology, Kyoto University, Yoshida-honmachi, Sakyo, 606-8501 Kyoto, Japan. kuroshi@psy.bun.kyoto-u.ac.jp |
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1435-9448 |
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PMID:12905080 |
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no |
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Equine Behaviour @ team @ |
Serial |
2558 |
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Author |
Parker, S.T. |
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Title |
A general model for the adaptive function of self-knowledge in animals and humans |
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Journal Article |
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Year |
1997 |
Publication |
Consciousness and Cognition |
Abbreviated Journal |
Conscious Cogn |
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Volume |
6 |
Issue |
1 |
Pages |
75-86 |
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Keywords |
*Adaptation, Psychological; Animals; *Awareness; Concept Formation; Evolution; Humans; Phylogeny; *Self Concept; Species Specificity |
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Abstract |
This article offers a general definition of self-knowledge that embraces all forms and levels of self-knowledge in animals and humans. It is hypothesized that various levels of self-knowledge constitute an ordinal scale such that each species in a lineage displays the forms of self-knowledge found in related species as well as new forms it and its sister species may have evolved. Likewise, it is hypothesized that these various forms of levels of self-knowledge develop in the sequence in which they evolved. Finally, a general hypothesis for the functional significance of self-knowledge is proposed along with subhypotheses regarding the adaptive significance of various levels of self-knowledge in mammals including human and nonhuman primates. The general hypothesis is that self-knowledge serves as a standard for assessing the qualities of conspecifics compared to those of the self. Such assessment is crucial to deciding among alternative reproductive and subsistence strategies. The qualities that are assessed, which vary across taxa, range from the size and strength of the self to its mathematical or musical abilities. This so-called assessment model of self-knowledge is based on evolutionary biological models for social selection and the role of assessment in animal communication. |
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Anthropology Department, Sonoma State University, Rohnert Park, California, USA. Parker@Sonoma.edu |
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1053-8100 |
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PMID:9170562 |
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Equine Behaviour @ team @ |
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4160 |
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Author |
Pepperberg, I.M.; Brezinsky, M.V. |
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Title |
Acquisition of a relative class concept by an African gray parrot (Psittacus erithacus): discriminations based on relative size |
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Journal Article |
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Year |
1991 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J Comp Psychol |
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Volume |
105 |
Issue |
3 |
Pages |
286-294 |
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Keywords |
Animals; Aptitude; *Concept Formation; *Discrimination Learning; Form Perception; Male; Mental Recall; *Parrots; *Size Perception; Vocalization, Animal |
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Abstract |
We report that an African gray parrot (Psittacus erithacus), Alex, responds to stimuli on a relative basis. Previous laboratory studies with artificial stimuli (such as pure tones) suggest that birds make relational responses as a secondary strategy, only after they have acquired information about the absolute values of the stimuli. Alex, however, after learning to respond to a small set of exemplars on the basis of relative size, transferred this behavior to novel situations that did not provide specific information about the absolute values of the stimuli. He responded to vocal questions about which was the larger or smaller exemplar by vocally labeling its color or material, and he responded “none” if the exemplars did not differ in size. His overall accuracy was 78.7%. |
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Northwestern University |
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Washington, D.C. : 1983 |
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0735-7036 |
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PMID:1935007 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
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3610 |
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Author |
Moses, S.N.; Villate, C.; Ryan, J.D. |
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Title |
An investigation of learning strategy supporting transitive inference performance in humans compared to other species |
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Journal Article |
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Year |
2006 |
Publication |
Neuropsychologia |
Abbreviated Journal |
Neuropsychologia |
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Volume |
44 |
Issue |
8 |
Pages |
1370-1387 |
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Keywords |
Adult; Analysis of Variance; Association Learning/*physiology; *Cognition; *Concept Formation; Female; Humans; *Logic; Male; Pattern Recognition, Visual/physiology; Photic Stimulation/methods; Reaction Time/physiology |
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Generalizations about neural function are often drawn from non-human animal models to human cognition, however, the assumption of cross-species conservation may sometimes be invalid. Humans may use different strategies mediated by alternative structures, or similar structures may operate differently within the context of the human brain. The transitive inference problem, considered a hallmark of logical reasoning, can be solved by non-human species via associative learning rather than logic. We tested whether humans use similar strategies to other species for transitive inference. Results are crucial for evaluating the validity of widely accepted assumptions of similar neural substrates underlying performance in humans and other animals. Here we show that successful transitive inference in humans is unrelated to use of associative learning strategies and is associated with ability to report the hierarchical relationship among stimuli. Our work stipulates that cross-species generalizations must be interpreted cautiously, since performance on the same task may be mediated by different strategies and/or neural systems. |
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Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Canada. smoses@rotman-baycrest.on.ca |
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0028-3932 |
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PMID:16503340 |
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no |
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refbase @ user @ |
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153 |
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Author |
Gould, J.L. |
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Title |
Animal cognition |
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Journal Article |
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Year |
2004 |
Publication |
Current Biology : CB |
Abbreviated Journal |
Curr Biol |
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14 |
Issue |
10 |
Pages |
R372-5 |
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Keywords |
Animals; Awareness; Behavior, Animal/*physiology; Cognition/*physiology; Concept Formation; Decision Making; Instinct; Intelligence/*physiology; Learning/*physiology; Species Specificity |
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Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey 08544, USA. gould@princeton.edu |
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0960-9822 |
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PMID:15186759 |
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Equine Behaviour @ team @ |
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4169 |
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Author |
Gácsi, M.; Miklósi, Á.; Varga, O.; Topál, J.; Csányi, V. |
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Title |
Are readers of our face readers of our minds? Dogs (Canis familiaris) show situation-dependent recognition of human's attention |
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Journal Article |
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Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
3 |
Pages |
144-153 |
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Keywords |
Animals; Association Learning; *Attention; Bonding, Human-Pet; Cognition; *Concept Formation; Cues; Dogs/*psychology; *Facial Expression; Female; Humans; Male; *Nonverbal Communication; *Recognition (Psychology); Social Behavior |
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The ability of animals to use behavioral/facial cues in detection of human attention has been widely investigated. In this test series we studied the ability of dogs to recognize human attention in different experimental situations (ball-fetching game, fetching objects on command, begging from humans). The attentional state of the humans was varied along two variables: (1) facing versus not facing the dog; (2) visible versus non-visible eyes. In the first set of experiments (fetching) the owners were told to take up different body positions (facing or not facing the dog) and to either cover or not cover their eyes with a blindfold. In the second set of experiments (begging) dogs had to choose between two eating humans based on either the visibility of the eyes or direction of the face. Our results show that the efficiency of dogs to discriminate between “attentive” and “inattentive” humans depended on the context of the test, but they could rely on the orientation of the body, the orientation of the head and the visibility of the eyes. With the exception of the fetching-game situation, they brought the object to the front of the human (even if he/she turned his/her back towards the dog), and preferentially begged from the facing (or seeing) human. There were also indications that dogs were sensitive to the visibility of the eyes because they showed increased hesitative behavior when approaching a blindfolded owner, and they also preferred to beg from the person with visible eyes. We conclude that dogs are able to rely on the same set of human facial cues for detection of attention, which form the behavioral basis of understanding attention in humans. Showing the ability of recognizing human attention across different situations dogs proved to be more flexible than chimpanzees investigated in similar circumstances. |
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Comparative Ethology Research Group, Hungarian Academy of Sciences, Pazmany P. 1/c., 1117, Budapest, Hungary. gm.art@axelero.hu |
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1435-9448 |
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PMID:14669075 |
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no |
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Equine Behaviour @ team @ |
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2547 |
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Permanent link to this record |
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Author |
Kaminski, J.; Call, J.; Tomasello, M. |
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Title |
Body orientation and face orientation: two factors controlling apes' behavior from humans |
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Journal Article |
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Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
4 |
Pages |
216-223 |
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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 |
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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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Max Planck Institute for Evolutionary Anthropology, Deutscher Plaz 6, 04103 Leipzig, Germany. kaminski@eva.mpg.de |
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1435-9448 |
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PMID:15034765 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2538 |
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Author |
Halsey, L.G.; Bezerra, B.M.; Souto, A.S. |
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Title |
Can wild common marmosets (Callithrix jacchus) solve the parallel strings task? |
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Journal Article |
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Year |
2006 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
9 |
Issue |
3 |
Pages |
229-233 |
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Keywords |
Animals; Animals, Laboratory; Animals, Wild; Attention; Callithrix/*psychology; *Cognition; *Concept Formation; Female; Male; *Pattern Recognition, Visual; *Problem Solving |
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Patterned string tasks are a test of perceptual capacity and the understanding of means-end connections. Primates can solve complex forms of this task in laboratories. However, this may not indicate the level of such cognition that is commonly employed in the wild, where decision-making time is often short and distractions such as predator avoidance and competition between conspecifics are often prevalent. The current study tests whether wild common marmosets (Callithrix jacchus) can successfully complete the simplest form of the patterned string task, parallel strings, while in their natural environment. Although 12 out of 13 marmosets could successfully complete the task, in previous laboratory-based studies on primates, the errors at this task by all primate species tested were consistently lower than in the present study. This is probably explained by the added difficulties imposed by the natural setting of the task in the present study, exemplified by a significant increase in observed vigilance behaviour by subject animals prior to attempts at the task that were unsuccessful. The undertaking of such tasks by common marmosets in situ probably provides a more reasonable representation of the levels of cognitive capacity expressed by this species in the wild than do laboratory-based studies of the task. |
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School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. l.g.halsey@bham.ac.uk |
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1435-9448 |
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PMID:16541239 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2473 |
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Author |
Bovet, D.; Vauclair, J.; Blaye, A. |
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Categorization and abstraction abilities in 3-year-old children: a comparison with monkey data |
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Journal Article |
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Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
8 |
Issue |
1 |
Pages |
53-59 |
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Keywords |
Animals; Child Development; Child, Preschool; *Classification; *Concept Formation; *Discrimination Learning; Female; *Form Perception; Humans; Male; Papio; Pattern Recognition, Visual; *Problem Solving; Species Specificity |
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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. |
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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 |
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no |
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Equine Behaviour @ team @ |
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2516 |
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Zentall, T.R.; Galizio, M.; Critchfied, T.S. |
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Categorization, concept learning, and behavior analysis: an introduction |
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Journal Article |
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Year |
2002 |
Publication |
Journal of the experimental analysis of behavior |
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J Exp Anal Behav |
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78 |
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3 |
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237-248 |
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Animals; Association Learning; *Concept Formation; *Discrimination Learning; Humans; Language |
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Categorization and concept learning encompass some of the most important aspects of behavior, but historically they have not been central topics in the experimental analysis of behavior. To introduce this special issue of the Journal of the Experimental Analysis of Behavior (JEAB), we define key terms; distinguish between the study of concepts and the study of concept learning; describe three types of concept learning characterized by the stimulus classes they yield; and briefly identify several other themes (e.g., quantitative modeling and ties to language) that appear in the literature. As the special issue demonstrates, a surprising amount and diversity of work is being conducted that either represents a behavior-analytic perspective or can inform or constructively challenge this perspective. |
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Department of Psychology, University of Kentucky, Lexington 40506, USA. zentall@pop.uky.edu |
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0022-5002 |
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PMID:12507002 |
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no |
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refbase @ user @ |
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236 |
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