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Author Sankey, C.; Richard-Yris, M.-A.; Leroy, H.; Henry, S.; Hausberger, M.
Title Positive interactions lead to lasting positive memories in horses, Equus caballus Type Journal Article
Year 2010 Publication Animal Behaviour Abbreviated Journal Anim. Behav.
Volume 79 Issue (up) 4 Pages 869-875
Keywords Equus caballus; horse; human–animal relationship; learning; memory; positive interaction; social cognition
Abstract Social relationships are important in social species. These relationships, based on repeated interactions, define each partner's expectations during the following encounters. The creation of a relationship implies high social cognitive abilities which require that each partner is able to associate the positive or negative content of an interaction with a specific partner and to recall this association. In this study, we tested the effects of repeated interactions on the memory kept by 23 young horses about humans, after 6 and 8 months of separation. The association of a reward with a learning task in an interactional context induced positive reactions towards humans during training. It also increased contact and interest, not only just after training, but also several months later, despite no further interaction with humans. In addition, this ‘positive memory’ of humans extended to novel persons. Overall, positive reinforcement enhanced learning and memorization of the task itself. These findings suggest remarkable social cognitive abilities that can be transposed from intraspecific to interspecific social contexts.
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ISSN 0003-3472 ISBN Medium
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5418
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Author Griffiths, D.P.; Clayton, N.S.
Title Testing episodic memory in animals: A new approach Type Journal Article
Year 2001 Publication Physiology & Behavior Abbreviated Journal Physiol. Behav.
Volume 73 Issue (up) 5 Pages 755-762
Keywords Episodic memory; Food-caching; Animal models
Abstract Episodic memory involves the encoding and storage of memories concerned with unique personal experiences and their subsequent recall, and it has long been the subject of intensive investigation in humans. According to Tulving's classical definition, episodic memory “receives and stores information about temporally dated episodes or events and temporal-spatial relations among these events.” Thus, episodic memory provides information about the `what' and `when' of events (`temporally dated experiences') and about `where' they happened (`temporal-spatial relations'). The storage and subsequent recall of this episodic information was thought to be beyond the memory capabilities of nonhuman animals. Although there are many laboratory procedures for investigating memory for discrete past episodes, until recently there were no previous studies that fully satisfied the criteria of Tulving's definition: they can all be explained in much simpler terms than episodic memory. However, current studies of memory for cache sites in food-storing jays provide an ethologically valid model for testing episodic-like memory in animals, thereby bridging the gap between human and animal studies memory. There is now a pressing need to adapt these experimental tests of episodic memory for other animals. Given the potential power of transgenic and knock-out procedures for investigating the genetic and molecular bases of learning and memory in laboratory rodents, not to mention the wealth of knowledge about the neuroanatomy and neurophysiology of the rodent hippocampus (a brain area heavily implicated in episodic memory), an obvious next step is to develop a rodent model of episodic-like memory based on the food-storing bird paradigm. The development of a rodent model system could make an important contribution to our understanding of the neural, molecular, and behavioral mechanisms of mammalian episodic memory.
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Call Number refbase @ user @ Serial 401
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Author Dreier, S.; van Zweden, J.S.; D'Ettorre, P.
Title Long-term memory of individual identity in ant queens Type Journal Article
Year 2007 Publication Biology Letters Abbreviated Journal Biol Lett
Volume 3 Issue (up) 5 Pages 459-462
Keywords Aggression; Animals; Ants/*physiology; Conditioning, Operant; Evolution; Female; *Memory; *Recognition (Psychology); Social Dominance
Abstract Remembering individual identities is part of our own everyday social life. Surprisingly, this ability has recently been shown in two social insects. While paper wasps recognize each other individually through their facial markings, the ant, Pachycondyla villosa, uses chemical cues. In both species, individual recognition is adaptive since it facilitates the maintenance of stable dominance hierarchies among individuals, and thus reduces the cost of conflict within these small societies. Here, we investigated individual recognition in Pachycondyla ants by quantifying the level of aggression between pairs of familiar or unfamiliar queens over time. We show that unrelated founding queens of P. villosa and Pachycondyla inversa store information on the individual identity of other queens and can retrieve it from memory after 24h of separation. Thus, we have documented for the first time that long-term memory of individual identity is present and functional in ants. This novel finding represents an advance in our understanding of the mechanism determining the evolution of cooperation among unrelated individuals.
Address Institute of Biology, Department of Population Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark. sdreier@bi.ku.dk
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ISSN 1744-9561 ISBN Medium
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Notes PMID:17594958 Approved no
Call Number Equine Behaviour @ team @ Serial 4649
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Author Williams, N.
Title Evolutionary psychologists look for roots of cognition Type
Year 1997 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 275 Issue (up) 5296 Pages 29-30
Keywords Animals; *Behavior, Animal; Birds; *Cognition; *Evolution; Female; Humans; Macaca mulatta/psychology; Male; Memory; Reward; *Social Sciences
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ISSN 0036-8075 ISBN Medium
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Notes PMID:8999531 Approved no
Call Number Equine Behaviour @ team @ Serial 2845
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Author Pennisi, E.
Title Schizophrenia clues from monkeys Type
Year 1997 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 277 Issue (up) 5328 Pages 900
Keywords Animals; Antipsychotic Agents/pharmacology; Behavior, Animal/drug effects; *Cercopithecus aethiops; Clozapine/pharmacology; Cognition/drug effects; *Disease Models, Animal; Dopamine/*metabolism; Excitatory Amino Acid Antagonists/pharmacology; Memory/drug effects; Phencyclidine/*pharmacology; Prefrontal Cortex/*metabolism; Schizophrenia/chemically induced/drug therapy/*metabolism; Schizophrenic Psychology
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ISSN 0036-8075 ISBN Medium
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Notes PMID:9281070 Approved no
Call Number Equine Behaviour @ team @ Serial 2844
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Author Hare, B.; Brown, M.; Williamson, C.; Tomasello, M.
Title The domestication of social cognition in dogs Type Journal Article
Year 2002 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 298 Issue (up) 5598 Pages 1634-1636
Keywords Animals; *Animals, Domestic; *Behavior, Animal; *Cognition; *Cues; *Dogs; Food; Humans; Memory; Pan troglodytes; *Social Behavior; Species Specificity; Vision; Wolves
Abstract Dogs are more skillful than great apes at a number of tasks in which they must read human communicative signals indicating the location of hidden food. In this study, we found that wolves who were raised by humans do not show these same skills, whereas domestic dog puppies only a few weeks old, even those that have had little human contact, do show these skills. These findings suggest that during the process of domestication, dogs have been selected for a set of social-cognitive abilities that enable them to communicate with humans in unique ways.
Address Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. bhare@fas.harvard.edu
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ISSN 1095-9203 ISBN Medium
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Notes PMID:12446914 Approved no
Call Number refbase @ user @ Serial 595
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Author Bloom, P.
Title Behavior. Can a dog learn a word? Type Journal Article
Year 2004 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 304 Issue (up) 5677 Pages 1605-1606
Keywords Animals; Child; Child, Preschool; *Dogs; Humans; *Learning; *Memory; *Vocabulary
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Address Department of Psychology, Yale University, Post Office Box 208205, New Haven, CT 06520-8205, USA. paul.bloom@yale.edu
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ISSN 1095-9203 ISBN Medium
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Notes PMID:15192205 Approved no
Call Number Serial 28
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Author Pennisi, E.
Title Animal cognition. Social animals prove their smarts Type
Year 2006 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 312 Issue (up) 5781 Pages 1734-1738
Keywords Animals; *Behavior, Animal; *Birds; *Cognition; Comprehension; Cues; Food; Hominidae/*psychology; *Intelligence; Learning; Memory; *Social Behavior
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ISSN 1095-9203 ISBN Medium
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Notes PMID:16794055 Approved no
Call Number Equine Behaviour @ team @ Serial 2836
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Author Morell, V.
Title Nicola Clayton profile. Nicky and the jays Type
Year 2007 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 315 Issue (up) 5815 Pages 1074-1075
Keywords Animals; *Behavior, Animal; *Cognition; England; History, 20th Century; History, 21st Century; Intelligence; Memory; Passeriformes/*physiology; Portraits
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ISSN 1095-9203 ISBN Medium
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Notes PMID:17322042 Approved no
Call Number Equine Behaviour @ team @ Serial 2833
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Author Cohen, J.
Title Animal behavior. The world through a chimp's eyes Type
Year 2007 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 316 Issue (up) 5821 Pages 44-45
Keywords Animal Communication; Animals; *Behavior, Animal; Cognition; Cooperative Behavior; Culture; Memory; Pan troglodytes/*psychology; Social Behavior; Tool Use Behavior
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ISSN 1095-9203 ISBN Medium
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Notes PMID:17412932 Approved no
Call Number Equine Behaviour @ team @ Serial 2832
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