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Author |
Soproni, K.; Miklósi, A.; Topál, J.; Csányi, V. |
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Title |
Comprehension of human communicative signs in pet dogs (Canis familiaris) |
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Journal Article |
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Year |
2001 |
Publication |
Journal of Comparative Psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
115 |
Issue |
2 |
Pages |
122-126 |
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Keywords |
Animals; *Behavior, Animal; Choice Behavior; Dogs/*psychology; Female; Humans; Male; Nonverbal Communication/*psychology; *Recognition (Psychology); *Social Behavior |
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Abstract |
On the basis of a study by D. J. Povinelli, D. T. Bierschwale, and C. G. Cech (1999), the performance of family dogs (Canis familiaris) was examined in a 2-way food choice task in which 4 types of directional cues were given by the experimenter: pointing and gazing, head-nodding (“at target”), head turning above the correct container (“above target”), and glancing only (“eyes only”). The results showed that the performance of the dogs resembled more closely that of the children in D. J. Povinelli et al.'s study, in contrast to the chimpanzees' performance in the same study. It seems that dogs, like children, interpret the test situation as being a form of communication. The hypothesis is that this similarity is attributable to the social experience and acquired social routines in dogs because they spend more time in close contact with humans than apes do, and as a result dogs are probably more experienced in the recognition of human gestures. |
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Department of Ethology, Budapest, Hungary. lavina@ludens.elte.hu |
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0735-7036 |
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PMID:11459158 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4963 |
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Author |
Shapiro, A.D.; Janik, V.M.; Slater, P.J.B. |
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Title |
A gray seal's (Halichoerus grypus) responses to experimenter-given pointing and directional cues |
Type |
Journal Article |
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Year |
2003 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J Comp Psychol |
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Volume |
117 |
Issue |
4 |
Pages |
355-362 |
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Keywords |
Animals; Behavior, Animal/*physiology; Cognition/physiology; Conditioning, Operant/physiology; *Cues; Eye Movements/physiology; Female; Seals, Earless |
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Abstract |
A gray seal (Halichoerus grypus) was trained to touch a target on its left or right by responding to pointing signals. The authors then tested whether the seal would be able to generalize spontaneously to altered signals. It responded correctly to center pointing and head turning, center upper body turning, and off-center pointing but not to head turning and eye movements alone. The seal also responded correctly to brief ipsilateral and contralateral points from center and lateral positions. Pointing gestures did not cause the seal to select an object placed centrally behind it. Like many animals in similar studies, this gray seal probably did not understand the referential character of these gestures but rather used signal generalization and experience from initial operant conditioning to solve these tasks. |
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School of Biology, University of St Andrews, St Andrews, Fife, United Kingdom |
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Washington, D.C. : 1983 |
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0735-7036 |
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PMID:14717636 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4977 |
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Author |
Gosling, S.D. |
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Title |
Personality dimensions in spotted hyenas (Crocuta crocuta) |
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Journal Article |
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Year |
1998 |
Publication |
Journal of Comparative Psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
112 |
Issue |
2 |
Pages |
107-118 |
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Keywords |
Animals; Carnivora/*psychology; Female; Humans; Male; *Personality; Personality Assessment/statistics & numerical data; Psychometrics; Reproducibility of Results; Species Specificity; Temperament |
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Abstract |
Personality ratings of 34 spotted hyenas (Crocuta crocuta) were made by 4 observers who knew the animals well. Analyses suggest that (a) hyena personality traits were rated with generally high reliability; (b) 5 broad dimensions (Assertiveness, Excitability, Human-Directed Agreeableness, Sociability, and Curiosity) captured about 75% of the total variance; (c) this dimensional structure could not be explained in terms of dominance status, sex, age, or appearance; and (d) as expected, female hyenas were more assertive than male hyenas. Comparisons with previous research provide evidence for the cross-species generality of Excitability, Sociability, and especially Assertiveness. Discussion focuses on methodological issues in research on animal personality and on the potential contributions this research can make for understanding the biological and environmental bases of personality. |
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Department of Psychology, University of California, Berkeley 94720-1650, USA. samiam@uclink.berkeley.edu |
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0735-7036 |
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Notes |
PMID:9642781 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5019 |
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Author |
Birch, H.G. |
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Title |
The relation of previous experience to insightful problem-solving |
Type |
Journal Article |
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Year |
1945 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J Comp Psychol |
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Volume |
38 |
Issue |
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Pages |
367-383 |
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Keywords |
Humans; *Problem Solving; *Psychology, Comparative; *PSYCHOLOGY/comparative |
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0021-9940 |
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PMID:21010765 |
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no |
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Equine Behaviour @ team @ |
Serial |
6554 |
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Author |
Vokey, J.R.; Rendall, D.; Tangen, J.M.; Parr, L.A.; de Waal, F.B.M. |
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Title |
Visual kin recognition and family resemblance in chimpanzees (Pan troglodytes) |
Type |
Journal Article |
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Year |
2004 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
118 |
Issue |
2 |
Pages |
194-199 |
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Keywords |
Animals; Female; Male; Pan troglodytes; Random Allocation; *Recognition (Psychology); *Visual Perception |
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Abstract |
The male-offspring biased visual kin recognition in chimpanzees (Pan troglodytes) reported by L. A. Parr and F. B. M. de Waal (1999) was replicated with human (Homo sapiens) participants and a principal components analysis (PCA) of pixel maps of the chimpanzee face photos. With the same original materials and methods, both humans and the PCA produced the same asymmetry in kin recognition as found with the chimpanzees. The PCA suggested that the asymmetry was a function of differences in the distribution of global characteristics associated with the framing of the faces in the son and daughter test sets. Eliminating potential framing biases, either by cropping the photos tightly to the faces or by rebalancing the recognition foils, eliminated the asymmetry but not human participants' ability to recognize chimpanzee kin. |
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Department of Psychology and Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada. vokey@uleth.ca |
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0735-7036 |
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Notes |
PMID:15250806 |
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no |
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Call Number |
refbase @ user @ |
Serial |
171 |
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Author |
Flack, J.C.; Jeannotte, L.A.; de Waal, F.B.M. |
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Title |
Play signaling and the perception of social rules by juvenile chimpanzees (Pan troglodytes) |
Type |
Journal Article |
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Year |
2004 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
118 |
Issue |
2 |
Pages |
149-159 |
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Keywords |
Age Factors; Animals; Behavior, Animal; Female; Male; Pan troglodytes; *Play and Playthings; Recognition (Psychology); *Signal Detection (Psychology); *Social Perception |
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Abstract |
Prescriptive social rules are enforced statistical regularities. The authors investigated whether juvenile chimpanzees (Pan troglodytes) recognize and use enforced statistical regularities to guide dyadic play behavior. They hypothesized (a) that proximity of adults, especially mothers of younger play partners, to play bouts will increase the play signaling of older partners and (b) that when juvenile-juvenile play bouts occur in proximity to adults, older partners will play at a lower intensity than when no adults are present. They found that older and younger partners increase their play signaling in the presence of the mothers of younger partners, particularly as the intensity of play bouts increases. In contrast to their hypothesis, older partners played more roughly when the mothers of younger partners were in proximity. These results suggest that juvenile chimpanzees increase play signaling to prevent termination of the play bouts by mothers of younger partners. |
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Santa Fe Institute, NM 97501, USA. jflack@santafe.edu |
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0735-7036 |
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Notes |
PMID:15250802 |
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no |
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Call Number |
refbase @ user @ |
Serial |
172 |
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Author |
Brosnan, S.F.; de Waal, F.B.M. |
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Title |
Socially learned preferences for differentially rewarded tokens in the brown capuchin monkey (Cebus apella) |
Type |
Journal Article |
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Year |
2004 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
118 |
Issue |
2 |
Pages |
133-139 |
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Keywords |
Animals; Behavior, Animal; Cebus; *Choice Behavior; Female; *Learning; Male; *Reward; *Social Behavior |
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Abstract |
Social learning is assumed to underlie traditions, yet evidence indicating social learning in capuchin monkeys (Cebus apella), which exhibit traditions, is sparse. The authors tested capuchins for their ability to learn the value of novel tokens using a previously familiar token-exchange economy. Capuchins change their preferences in favor of a token worth a high-value food reward after watching a conspecific model exchange 2 differentially rewarded tokens, yet they fail to develop a similar preference after watching tokens paired with foods in the absence of a conspecific model. They also fail to learn that the value of familiar tokens has changed. Information about token value is available in all situations, but capuchins seem to pay more attention in a social situation involving novel tokens. |
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Address |
Living Links Center, Yerkes National Primate Research Center, and Graduate Division of Biological and Biomedical Sciences, Emory University, Atlanta, GA 30329, USA. sbrosna@emory.edu |
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0735-7036 |
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Notes |
PMID:15250800 |
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no |
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Call Number |
refbase @ user @ |
Serial |
173 |
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Permanent link to this record |
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Author |
Weaver, A.; de Waal, F.B.M. |
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Title |
The mother-offspring relationship as a template in social development: reconciliation in captive brown capuchins (Cebus apella) |
Type |
Journal Article |
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Year |
2003 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
117 |
Issue |
1 |
Pages |
101-110 |
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Keywords |
*Adaptation, Psychological; Animals; Behavior, Animal/*physiology; Cebus; Conflict (Psychology); Female; Male; *Maternal Behavior; Pilot Projects; *Social Behavior; Statistics, Nonparametric |
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Abstract |
Mother-offspring (MO) relationship quality was investigated to determine its influence on the development of reconciliation--affiliation between opponents shortly after a fight--because it influenceswhat distressed youngsters learn about calming down. Data were longitudinal and cross-sectional observational samples of 38 MO pairs of monkeys across 24 months. An MO relationship quality index (RQI) classified each pair as secure or insecure. Reconciliation emerged in infancy.Secure youngsters had an appeasing conciliatory style, and insecure youngsters had an agitated conciliatory style. Conclusions are that reconciliation develops from the attachment behavior system and MO RQI is related to the particular conciliatory style youngsters develop by affecting how aroused they are by conflict and the subsequent socializing they seek to calm down. |
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Living Links, Yerkes Primate Center and Psychology Department, Emory University, Atlanta, Georgia 30322, USA. dazzlingdolphins@cox.net |
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0735-7036 |
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Notes |
PMID:12735370 |
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no |
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Call Number |
refbase @ user @ |
Serial |
180 |
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Permanent link to this record |
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Author |
Weaver, A.; de Waal, F.B.M. |
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Title |
An index of relationship quality based on attachment theory |
Type |
Journal Article |
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Year |
2002 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
116 |
Issue |
1 |
Pages |
93-106 |
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Keywords |
Analysis of Variance; Animals; *Behavior, Animal; Female; Male; *Maternal Behavior; *Object Attachment; Pan troglodytes/*psychology; Pilot Projects |
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Abstract |
Two measures are reported of the nature or quality of a mother-offspring (MO) relationship during development using brown capuchin monkeys (Cebus apella) as models. One is a qualitative classification of MO relationships as secure, resistant, or avoidant attachments. The other is an empirical ratio of relative affiliation to agonism called the MO relationship quality, or MORQ, Index. The two methods tapped similar relationship features so relationships high or low of a median split of MORQ values were heuristically labeled secure (n = 22) or insecure (n = 16), respectively. A comparison revealed extensive behavioral differences between secure and insecure MO relationships and suggested MORQ provided an objective, continuous measure of attachment security. |
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Yerkes Regional Primate Research Center, Emory University, USA. achweaver@att.net |
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0735-7036 |
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PMID:11930937 |
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no |
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Call Number |
refbase @ user @ |
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183 |
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Permanent link to this record |
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Author |
Parr, L.A.; Winslow, J.T.; Hopkins, W.D.; de Waal, F.B. |
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Title |
Recognizing facial cues: individual discrimination by chimpanzees (Pan troglodytes) and rhesus monkeys (Macaca mulatta) |
Type |
Journal Article |
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Year |
2000 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
114 |
Issue |
1 |
Pages |
47-60 |
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Keywords |
Animals; *Discrimination Learning; *Facial Expression; Female; Macaca mulatta/*psychology; Male; Mental Recall; Pan troglodytes/*psychology; Perceptual Masking; *Social Perception; Species Specificity |
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Abstract |
Faces are one of the most salient classes of stimuli involved in social communication. Three experiments compared face-recognition abilities in chimpanzees (Pan troglodytes) and rhesus monkeys (Macaca mulatta). In the face-matching task, the chimpanzees matched identical photographs of conspecifics' faces on Trial 1, and the rhesus monkeys did the same after 4 generalization trials. In the individual-recognition task, the chimpanzees matched 2 different photographs of the same individual after 2 trials, and the rhesus monkeys generalized in fewer than 6 trials. The feature-masking task showed that the eyes were the most important cue for individual recognition. Thus, chimpanzees and rhesus monkeys are able to use facial cues to discriminate unfamiliar conspecifics. Although the rhesus monkeys required many trials to learn the tasks, this is not evidence that faces are not as important social stimuli for them as for the chimpanzees. |
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Department of Psychology, Emory University. parr@rmy.emory.edu |
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PMID:10739311 |
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no |
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Call Number |
refbase @ user @ |
Serial |
191 |
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