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Author Singer, R.A.; Klein, E.D.; Zentall, T.R.
Title Use of a single-code/default strategy by pigeons to acquire duration sample discriminations Type Journal Article
Year 2006 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav
Volume (down) 34 Issue 4 Pages 340-347
Keywords Animals; Behavior, Animal/*physiology; Columbidae; *Discrimination (Psychology); *Reaction Time; Retention (Psychology); *Signal Detection (Psychology)
Abstract Past evidence that pigeons may adopt a single-code/default strategy to solve duration sample discriminations may be attributable to the similarity between the intertrial interval (ITI) and the retention interval. The present experiments tested whether pigeons would adopt a single-code/default strategy when possible ITI-retention-interval ambiguity was eliminated and sample salience was increased. Previous studies of duration sample discriminations that have purported to show evidence for the use of a single-code/default coding strategy have used durations of 0, 2, and 10 sec (Zentall, Klein, and Singer, 2004). However, the results of Experiment 1 suggest that the use of a 0-sec sample may produce an artifact resulting in inadvertent present/absent sample matching. In Experiment 2, when pigeons were trained with three nonzero duration samples (2, 8, and 32 sec), clear evidence for the use of a single-code/default strategy was found.
Address Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA. rasing2@uky.edu
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ISSN 1543-4494 ISBN Medium
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Notes PMID:17330523 Approved no
Call Number refbase @ user @ Serial 215
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Author Gibson, B.M.; Juricevic, I.; Shettleworth, S.J.; Pratt, J.; Klein, R.M.
Title Looking for inhibition of return in pigeons Type Journal Article
Year 2005 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav
Volume (down) 33 Issue 3 Pages 296-308
Keywords Animals; Behavior, Animal/*physiology; Columbidae; *Inhibition (Psychology); Reinforcement (Psychology)
Abstract We conducted four experiments in order to investigate whether pigeons' responses to a recently attended (i.e., recently pecked) location are inhibited. In Experiments 1 and 2, stimulus displays were similar to those used in studies of inhibition of return (IOR) with humans; responses to cued targets tended to be facilitated rather than inhibited. In Experiments 3 and 4, birds were presented with stimulus displays that mimicked clusters of small grains and were relatively localized, which should have been more appropriate for detecting IOR in pigeons. The results from these experiments again provided evidence for facilitation of responding to cued targets, rather than for IOR.
Address University of Toronto, Toronto, Ontario, Canada. bgibson@cisunix.unh.edu
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ISSN 1543-4494 ISBN Medium
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Notes PMID:16396077 Approved no
Call Number refbase @ user @ Serial 359
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Author Nicol, C.J.
Title Development, direction, and damage limitation: social learning in domestic fowl Type Journal Article
Year 2004 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav
Volume (down) 32 Issue 1 Pages 72-81
Keywords Adaptation, Psychological; Age Factors; Animals; Behavior, Animal; *Chickens; *Feeding Behavior; *Food Preferences; *Imitative Behavior; Imprinting (Psychology); *Learning; Maternal Behavior; Reinforcement (Psychology); *Social Environment; *Social Facilitation
Abstract This review highlights two areas of particular interest in the study of social learning in fowl. First, the role of social learning in the development of feeding and foraging behavior in young chicks and older birds is described. The role of the hen as a demonstrator and possible teacher is considered, and the subsequent social influence of brood mates and other companions on food avoidance and food preference learning is discussed. Second, the way in which work on domestic fowl has contributed to an understanding of the importance of directed social learning is examined. The well-characterized hierarchical social organization of small chicken flocks has been used to design studies which demonstrate that the probability of social transmission is strongly influenced by social relationships between birds. The practical implications of understanding the role of social learning in the spread of injurious behaviors in this economically important species are briefly considered.
Address Department of Clinical Veterinary Science, University of Bristol, Langford, Bristol, England. c.j.nicol@bristol.ac.uk
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ISSN 1543-4494 ISBN Medium
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Notes PMID:15161142 Approved no
Call Number refbase @ user @ Serial 75
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Author Zentall, T.R.
Title Action imitation in birds Type Journal Article
Year 2004 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav
Volume (down) 32 Issue 1 Pages 15-23
Keywords Adaptation, Psychological; Animals; *Birds; *Imitative Behavior; Imprinting (Psychology); *Learning; Motivation; Psychological Theory; *Social Environment; *Social Facilitation; Vocalization, Animal
Abstract Action imitation, once thought to be a behavior almost exclusively limited to humans and the great apes, surprisingly also has been found in a number of bird species. Because imitation has been viewed by some psychologists as a form of intelligent behavior, there has been interest in how it is distributed among animal species. Although the mechanisms responsible for action imitation are not clear, we are now at least beginning to understand the conditions under which it occurs. In this article, I try to identify and differentiate the various forms of socially influenced behavior (species-typical social reactions, social effects on motivation, social effects on perception, socially influenced learning, and action imitation) and explain why it is important to differentiate imitation from other forms of social influence. I also examine some of the variables that appear to be involved in the occurrence of imitation. Finally, I speculate about why a number of bird species, but few mammal species, appear to imitate.
Address Department of Psychology, University of Kentucky, Lexington, Kentucky 40506, USA. zentall@uky.edu
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Notes PMID:15161137 Approved no
Call Number refbase @ user @ Serial 230
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Author Whiten, A.; Horner, V.; Litchfield, C.A.; Marshall-Pescini, S.
Title How do apes ape? Type Journal Article
Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.
Volume (down) 32 Issue 1 Pages 36-52
Keywords Adaptation, Psychological; Animals; Behavior, Animal; Hominidae/*psychology; *Imitative Behavior; Imprinting (Psychology); *Learning; Psychological Theory; *Social Environment; *Social Facilitation
Abstract In the wake of telling critiques of the foundations on which earlier conclusions were based, the last 15 years have witnessed a renaissance in the study of social learning in apes. As a result, we are able to review 31 experimental studies from this period in which social learning in chimpanzees, gorillas, and orangutans has been investigated. The principal question framed at the beginning of this era, Do apes ape? has been answered in the affirmative, at least in certain conditions. The more interesting question now is, thus, How do apes ape? Answering this question has engendered richer taxonomies of the range of social-learning processes at work and new methodologies to uncover them. Together, these studies suggest that apes ape by employing a portfolio of alternative social-learning processes in flexibly adaptive ways, in conjunction with nonsocial learning. We conclude by sketching the kind of decision tree that appears to underlie the deployment of these alternatives.
Address Centre for Social Learning and Cognitive Evolution, Scottish Primate Research Group, School of Psychology, University of St. Andrews, St. Andrews, Fife, Scotland. a.whiten@st-and.ac.uk
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Notes PMID:15161139 Approved no
Call Number refbase @ user @ Serial 734
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Author Fragaszy, D.; Visalberghi, E.
Title Socially biased learning in monkeys Type Journal Article
Year 2004 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav
Volume (down) 32 Issue 1 Pages 24-35
Keywords Adaptation, Psychological; Animal Communication; Animals; Behavior, Animal; *Feeding Behavior/psychology; Food Preferences/psychology; Haplorhini/*psychology; *Imitative Behavior; Imprinting (Psychology); *Learning; *Social Environment; *Social Facilitation
Abstract We review socially biased learning about food and problem solving in monkeys, relying especially on studies with tufted capuchin monkeys (Cebus apella) and callitrichid monkeys. Capuchin monkeys most effectively learn to solve a new problem when they can act jointly with an experienced partner in a socially tolerant setting and when the problem can be solved by direct action on an object or substrate, but they do not learn by imitation. Capuchin monkeys are motivated to eat foods, whether familiar or novel, when they are with others that are eating, regardless of what the others are eating. Thus, social bias in learning about foods is indirect and mediated by facilitation of feeding. In most respects, social biases in learning are similar in capuchins and callitrichids, except that callitrichids provide more specific behavioral cues to others about the availability and palatability of foods. Callitrichids generally are more tolerant toward group members and coordinate their activity in space and time more closely than capuchins do. These characteristics support stronger social biases in learning in callitrichids than in capuchins in some situations. On the other hand, callitrichids' more limited range of manipulative behaviors, greater neophobia, and greater sensitivity to the risk of predation restricts what these monkeys learn in comparison with capuchins. We suggest that socially biased learning is always the collective outcome of interacting physical, social, and individual factors, and that differences across populations and species in social bias in learning reflect variations in all these dimensions. Progress in understanding socially biased learning in nonhuman species will be aided by the development of appropriately detailed models of the richly interconnected processes affecting learning.
Address Psychology Department, University of Georgia, Athens, Georgia 30602, USA. doree@uga.edu
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Notes PMID:15161138 Approved no
Call Number refbase @ user @ Serial 828
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Author Galef Jr B.G.,
Title Approaches to the study of traditional behaviors of free-living animals Type Journal Article
Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.
Volume (down) 32 Issue Pages 53-61
Keywords
Abstract I review literature on four different approaches to the study of traditions in animals: observation of free-living animals, laboratory experiment, armchair analysis, and field experiment. Because, by definition, a tradition entails social learning of some kind, it is difficult, perhaps impossible, to establish that a behavior is in fact traditional without knowledge of how it develops. Observations of free-living animals often provide strong circumstantial evidence of a tradition. However, even in the view of several researchers who have studied possibly traditional behaviors in natural populations, observation alone has not proven sufficient to show that social learning contributes to development of behaviors of interest. The relevance of laboratory experiments to the understanding of the development of behaviors in free-living animals is always open to challenge. Armchair analyses of field data can produce interesting hypotheses but cannot test them. Field experiments to determine how behaviors of interest develop in population members provide a promising way forward.
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Call Number refbase @ user @ Serial 829
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Author Gajdon G.K.,; Fijn N.,; Huber L.,
Title Testing social learning in a wild mountain parrot, the kea (Nestor notabilis) Type Journal Article
Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.
Volume (down) 32 Issue Pages 62-71
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Abstract Huber, Taborsky, and Rechberger (2001) reported an experiment in which the efficiency with which captive keas opened a complex food container was increased by observation of a skilled conspecific. However, only testing social learning in free-ranging animals can demonstrate social learning in natural conditions. For that purpose, a tube-lifting paradigm was developed and tested on keas both in captivity and in Mount Cook National Park, New Zealand. The task was to remove a tube from an upright pole in order to gain access to a reward inside the tube. The top of the pole was higher than a standing kea, so that, to remove the tube, an individual had to simultaneously climb onto the pole and manipulate the tube up the pole with its bill. Because only 1 naive bird managed to remove a tube twice in 25 halfhour sessions and disappeared after success, another bird was trained to solve the task and to provide demonstrations for others. Even under such conditions, only 2 of at least 15 birds learned to remove the tube in 28 sessions. There was no indication that observer birds' use of bill and feet when exploring the tube changed as the number of observations of tube removal increased in a way that would, in principle, increase the likelihood of tube removal. The results suggest a dissociation of social learning potential as assessed in laboratory animals, and social transmission of foraging techniques in natural populations.
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Call Number refbase @ user @ Serial 830
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Author Reader S.M.,
Title Distinguishing social and asocial learning using diffusion dynamics Type Journal Article
Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.
Volume (down) 32 Issue Pages 90-104
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Abstract Theoretical models predict that the cumulative number of individuals displaying a socially learned novel behavior will follow an accelerating pattern over time, whereas asocial processes have been associated with linear or decelerating functions. This raises the possibility that the shape of the diffusion curve may reveal something about the learning processes involved. If true, this would be particularly useful for identifying social transmission in observational field studies. Published data are reviewed and are found to provide limited support for this view. The use of accelerating curves as a diagnostic is challenging because (1) alternative theoretical models make similar predictions, (2) clear supporting empirical data are lacking, and (3) practical considerations frequently make accurate construction of the diffusion curve difficult.
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Call Number refbase @ user @ Serial 831
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Author Griffin A.S.,
Title Social learning about predators: A review and prospectus Type Journal Article
Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.
Volume (down) 32 Issue Pages 131-140
Keywords
Abstract In comparison with social learning about food, social learning about predators has received little attention. Yet such research is of potential interest to students of animal cognition and conservation biologists. I summarize evidence for social learning about predators by fish, birds, eutherian mammals, and marsupials. I consider the proposal that this phenomenon is a case of S-S classical conditioning and suggest that evolution may have modified some of the properties of learning to accommodate for the requirements of learning socially about danger. I discuss some between-species differences in the properties of socially acquired predator avoidance and suggest that learning may be faster and more robust in species in which alarm behavior reliably predicts high predatory threat. Finally, I highlight how studies of socially acquired predator avoidance can inform the design of prerelease antipredator training programs for endangered species.
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Call Number refbase @ user @ Serial 832
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