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Author Fiset, S.; Beaulieu, C.; Landry, F.
Title Duration of dogs' (Canis familiaris) working memory in search for disappearing objects Type Journal Article
Year 2003 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 6 Issue 1 Pages (up) 1-10
Keywords Animals; Dogs/*psychology; *Exploratory Behavior; Female; Male; *Memory; Visual Perception
Abstract Two experiments explored the duration of dogs' working memory in an object permanence task: a delay was introduced between the disappearance of a moving object behind a box and the beginning of the search by the animal. In experiment 1, the dogs were tested with retention intervals of 0, 10, 30, and 60 s. Results revealed that the dogs' accuracy declined as a function of the length of the retention interval but remained above chance for each retention interval. In experiment 2, with new subjects, longer retention intervals (0, 30, 60, 120, and 240 s) were presented to the dogs. Results replicated findings from experiment 1 and revealed that the dogs' accuracy remained higher than chance level with delays up to 240 s. In both experiments, the analysis of errors also showed that the dogs searched as a function of the proximity of the target box and were not subject to intertrial proactive interference. In the discussion, we explore different alternatives to explain why dogs' search behaviour for hidden objects decreased as a function of the retention intervals.
Address Secteur Sciences Humaines, Universite de Moncton, Campus d'Edmundston, E3V 2S8, Edmundston, New Brunswick, Canada. sfiset@umce.ca
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Language English Summary Language Original Title
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ISSN 1435-9448 ISBN Medium
Area Expedition Conference
Notes PMID:12658530 Approved no
Call Number Equine Behaviour @ team @ Serial 2586
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Author Bshary, R.; Wickler, W.; Fricke, H.
Title Fish cognition: a primate's eye view Type Journal Article
Year 2002 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 5 Issue 1 Pages (up) 1-13
Keywords Animals; Cognition/*physiology; Evolution; Fishes/*physiology; Intelligence; Learning; Primates/*physiology; Social Behavior
Abstract We provide selected examples from the fish literature of phenomena found in fish that are currently being examined in discussions of cognitive abilities and evolution of neocortex size in primates. In the context of social intelligence, we looked at living in individualized groups and corresponding social strategies, social learning and tradition, and co-operative hunting. Regarding environmental intelligence, we searched for examples concerning special foraging skills, tool use, cognitive maps, memory, anti-predator behaviour, and the manipulation of the environment. Most phenomena of interest for primatologists are found in fish as well. We therefore conclude that more detailed studies on decision rules and mechanisms are necessary to test for differences between the cognitive abilities of primates and other taxa. Cognitive research can benefit from future fish studies in three ways: first, as fish are highly variable in their ecology, they can be used to determine the specific ecological factors that select for the evolution of specific cognitive abilities. Second, for the same reason they can be used to investigate the link between cognitive abilities and the enlargement of specific brain areas. Third, decision rules used by fish could be used as 'null-hypotheses' for primatologists looking at how monkeys might make their decisions. Finally, we propose a variety of fish species that we think are most promising as study objects.
Address University of Cambridge, Department of Zoology, Downing Street, Cambridge CB2 3EJ, UK. rb286@cam.ac.uk
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1435-9448 ISBN Medium
Area Expedition Conference
Notes PMID:11957395 Approved no
Call Number Equine Behaviour @ team @ Serial 2617
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Author Gould, J.L.
Title Thinking about thinking: how Donald R. Griffin (1915-2003) remade animal behavior Type Journal Article
Year 2004 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 7 Issue 1 Pages (up) 1-4
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3092
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Author Czeschlik, T.
Title Animal cognition – the phylogeny and ontogeny of cognitive abilities Type Journal Article
Year 1998 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 1 Issue 1 Pages (up) 1-2
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3100
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Author Wauters, A. M.; Richard-Yris, M.-A.; Richard, J. P.; Foraste M.
Title Internal and external factors modulate food-calling in domestic hens Type Journal Article
Year 1999 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 2 Issue 1 Pages (up) 1-10
Keywords
Abstract Two series of experiments investigated factors affecting utterance of food calls in the domestic hen, Gallus domesticus. The first series of experiments tested the effect of food preference and the hen’s internal state on the utterance of food calls. Different food types were presented first singly and then in a choice test to 20 hens, first when hens were laying, and then when they were maternal. The second series of experiments tested the effect of hunger level on the utterance of food calls in laying hens, and maternal hens with or without chicks. These two series of experiments showed that laying hens and maternal hens showed a similar marked preference for certain types of food, but laying hens very rarely emitted food calls, in contrast to maternal hens. This shows the effect of the bird’s psychophysiological state on her tendency to emit food calls. The more a maternal hen preferred a food type, the more food calls she emitted. This was observed from the beginning of a test in single-food tests as well as in choice tests. Hunger level positively affected food-call production under certain feeding conditions in maternal hens, but not in laying hens. When maternal hens were tested in the absence of their chicks, utterance of food calls was more sustained than in the presence of chicks.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3306
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Author Vick, S.-J.; Bovet, D.; Anderson, J.
Title Gaze discrimination learning in olive baboons (Papio anubis) Type Journal Article
Year 2001 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 4 Issue 1 Pages (up) 1-10
Keywords
Abstract The ability to discriminate between pairs of photographs according to the portrayed model's visual attention status was examined in four olive baboons. Two baboons successfully managed to solve the problem, even when attention was demonstrated by eye direction alone. A third showed an ability to discriminate head direction but not eye direction. In order to investigate further their ability to discriminate attention, the two successful baboons and two naïve baboons were presented with a simple object-choice task accompanied by experimenter-given cues. There was no evidence of transfer from the photographic stimuli to a real model; only one baboon showed signs of using the experimenter's attention to chose between two objects, and only after over 300 trials. These results could suggest that the baboons used simple physical cues rather than a concept of attention to solve the picture discrimination but alternative explanations are also discussed.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3348
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Author Tomonaga, M.; Matsuzawa, T.
Title Sequential responding to arabic numerals with wild cards by the chimpanzee (Pan troglodytes) Type Journal Article
Year 2000 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 3 Issue 1 Pages (up) 1-11
Keywords
Abstract One adult female chimpanzee (Pan troglodytes) was trained to respond serially to three arabic numerals between 1 and 9, presented on a cathode-ray-tube (CRT) screen. To examine the factors affecting her sequential responding behavior, wild-card items were added to the three-item sequences. When this wild-card item remained until the subject responded to the last numeral (i.e., the terminator condition), her response to the terminator at each point of the sequence was controlled by the ordinal distance between numerals. Thus, the number of responses to the terminator increased as the ordinal distance between numerals increased. When the wild-card item was eliminated by the subject's response (wild-card conditions), the probability of responses to the wild card before the first numeral increased as a function of the serial position of the first numeral. These results were consistent with previous studies of response time and suggest both serial position and symbolic distance effects. It is suggested that the subject might form the integrated 9-item linear representations by training of possible subsets of three-item sequences. Knowledge concerning the ordinal position of each numeral was established through this training.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3373
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Author Kamil, A.C.
Title On the Proper Definition of Cognitive Ethology Type Book Chapter
Year 1998 Publication Animal Cognition in Nature Abbreviated Journal
Volume Issue Pages (up) 1-28
Keywords
Abstract Summary The last 20-30 years have seen two `scientific revolutions' in the study of animal behavior: the cognitive revolution that originated in psychology, and the Darwinian, behavioral ecology revolution that originated in biology. Among psychologists, the cognitive revolution has had enormous impact. Similarly, among biologists, the Darwinian revolution has had enormous impact. The major theme of this chapter is that these two scientific research programs need to be combined into a single approach, simultaneously cognitive and Darwinian, and that this single approach is most appropriately called cognitive ethology.
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Publisher Academic Press Place of Publication London Editor Russell P. Balda; Irene M. Pepperberg; Alan C. Kamil
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN ISBN 9780120770304 Medium
Area Expedition Conference
Notes Approved no
Call Number Equine Behaviour @ team @ Serial 4202
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Author Bryson, J.; Leong, J.
Title Primate errors in transitive inference: a two-tier learning model Type Journal Article
Year 2007 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 10 Issue 1 Pages (up) 1-15
Keywords Transitive inference, choice or performance – Task learning – Hippocampal learning – Modelling
Abstract Abstract  Transitive performance (TP) is a learning-based behaviour exhibited by a wide range of species, where if a subject has been taught to prefer A when presented with the pair AB but to prefer B when presented with the pair BC, then the subject will also prefer A when presented with the novel pair AC. Most explanations of TP assume that subjects recognize and learn an underlying sequence from observing the training pairs. However, data from squirrel monkeys (Saimiri sciureus) and young children contradict this, showing that when three different items (a triad) are drawn from the sequence, subjects`` performance degrades systematically (McGonigle and Chalmers, Nature 267:694-696, 1977; Chalmers and McGonigle, Journal of Experimental Child Psychology 37:355-377, 1984; Harris and McGonigle, The Quarterly Journal of Experimental Psychology 47B:319-348, 1994). We present here the two-tier model, the first learning model of TP which accounts for this systematic performance degradation. Our model assumes primate TP is based on a general-purpose task learning system rather than a special-purpose sequence-learning system. It supports the hypothesis of Heckers et al. (Hippocampus 14:153-162, 2004) that TP is an expression of two separate general learning elements: one for associating actions and contexts, another for prioritising associations when more than one context is present. The two-tier model also provides explanations for why phased training is important for helping subjects learn the initial training pairs and why some subjects fail to do so. It also supports the Harris and McGonigle (The Quarterly Journal of Experimental Psychology 47B:319-348, 1994) explanation of why, once the training pairs have been acquired, subjects perform transitive choice automatically on two-item diads, but not when exposed to triads from the same sequence.
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Notes Approved no
Call Number Admin @ knut @ Serial 4221
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Author Horowitz, A.; Hecht, J.
Title Examining dog–human play: the characteristics, affect, and vocalizations of a unique interspecific interaction Type Journal Article
Year 2016 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume Issue Pages (up) 1-10
Keywords
Abstract Despite the growing interest in research on the interaction between humans and dogs, only a very few research projects focus on the routines between dogs and their owners. In this study, we investigated one such routine: dog–human play. Dyadic interspecific play is known to be a common interaction between owner and charge, but the details of what counts as play have not been thoroughly researched. Similarly, though people represent that “play” is pleasurable, no study has yet undertaken to determine whether different forms of play are associated with different affective states. Thus, we aimed to generate an inventory of the forms of dyadic play, the vocalizations within play, and to investigate the relationship of affect to elements of play. Via a global citizen science project, we solicited videotapes of dog–human play sessions from dog owners. We coded 187 play bouts via frame-by-frame video playback. We then assessed the relationship between various intra-bout variables and owner affect (positive or neutral) during play (dog affect was overwhelmingly positive). Amount of physical contact (“touch”), level of activity of owner (“movement”), and physical closeness of dog–owner dyad (“proximity”) were highly correlated with positive affect. Owner vocalizations were found to contain different elements in positive- and neutral-affect play. One novel category of play, “tease”, was found. We conclude that not all play is created equal: the experience of play to the owner participant is strongly related to a few identifiable characteristics of the interaction.
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ISSN 1435-9456 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Equine Behaviour @ team @ Horowitz.2016 Serial 5947
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