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Author Singer, R.A.; Klein, E.D.; Zentall, T.R. openurl 
  Title (down) 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 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 Gajdon G.K.,; Fijn N.,; Huber L., url  openurl
  Title (down) 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 32 Issue Pages 62-71  
  Keywords  
  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 Fragaszy, D.; Visalberghi, E. openurl 
  Title (down) Socially biased learning in monkeys Type Journal Article
  Year 2004 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav  
  Volume 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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  ISSN 1543-4494 ISBN Medium  
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  Notes PMID:15161138 Approved no  
  Call Number refbase @ user @ Serial 828  
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Author Laland K.N. url  doi
openurl 
  Title (down) Social learning strategies Type Journal Article
  Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.  
  Volume 32 Issue Pages 4-14  
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  Abstract In most studies of social learning in animals, no attempt has been made to examine the nature of the strategy adopted by animals when they copy others. Researchers have expended considerable effort in exploring the psychological processes that underlie social learning and amassed extensive data banks recording purported social learning in the field, but the contexts under which animals copy others remain unexplored. Yet, theoretical models used to investigate the adaptive advantages of social learning lead to the conclusion that social learning cannot be indiscriminate and that individuals should adopt strategies that dictate the circumstances under which they copy others and from whom they learn. In this article, I discuss a number of possible strategies that are predicted by theoretical analyses, including copy when uncertain, copy the majority, and copy if better, and consider the empirical evidence in support of each, drawing from both the animal and human social learning literature. Reliance on social learning strategies may be organized hierarchically, their being employed by animals when unlearned and asocially learned strategies prove ineffective but before animals take recourse in innovation.  
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  Call Number Equine Behaviour @ team @ Serial 4193  
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Author Griffin A.S., url  openurl
  Title (down) Social learning about predators: A review and prospectus Type Journal Article
  Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.  
  Volume 32 Issue Pages 131-140  
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  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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  Notes Approved no  
  Call Number refbase @ user @ Serial 832  
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Author SYLVAIN GAGNON,FRANCOISY. DORE openurl 
  Title (down) Search behavior of dogs (Canis familiaris) in invisible displacement problems Type Journal Article
  Year 1993 Publication Animal Learning & Behavior Abbreviated Journal Anim Learn. & Behav.  
  Volume 21 Issue 3 Pages 246-254  
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  Abstract Gagnon and Dor (1992) showed that domestic dogs are able to solve a Piagetian object permanence

task called the invisible displacement problem. A toy is hidden in a container which is

moved behind a screen where the toy is removed and left. Dogs make more errors in these problems

than they do in visible displacement tests, in which the object is hidden directly behind

the target screen. In Experiment 1, we examinedcomponents ofthe standard procedure of invisible

displacements that may make encoding or retention of the hiding location more difficult than

it is in visible displacements. In Experiment 2, we compared dogs performances in visible and

invisible displacement problems when delays of 0, 10, and 20 sec were introduced between the

objects final disappearance and the subjects release. The results revealed that dogs poorer performance

in invisible displacement tests is related to the complex sequence of events that have

to be encoded or remembered as well as to a difficulty in representing the position change that

is signaled, but not directly perceived.
 
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  Call Number refbase @ user @ Serial 538  
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Author Doré,F.Y.; Fiset,S.; Goulet,S.; Dumans,M.-C.; Gagnon,S. openurl 
  Title (down) Search behavior in cats and dogs Interspecific differences in working memory and spatial cognition Type Journal Article
  Year 1996 Publication Animal Learning & Behavior Abbreviated Journal Anim Learn. & Behav.  
  Volume 24 Issue 2 Pages 142-149  
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  Abstract Cats and dogs search behavior was compared in different problems where an object was visibly

moved behind a screen that was then visibly moved to a new position. In Experiments 1 (cats) and 2 (dogs),

one group was tested with identical screens and the other group was tested with dissimilar screens.

Results showed that in both species, search behavior was based on processing of spatial information

rather than on recognition of the visual features of the target screen. Cats and dogs were unable to find

the object by inferring its invisible movement. They reached a high level of success only if there was

direct perceptual evidence that the object could not be at its initial position. When the position change

was indicated by an indirect cue, cats searched more at the object`s initial than final position, whereas

dogs searched equally at both positions. Interspecific similarities and differences are interpreted in

terms of the requirements for resetting working memory.
 
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  Call Number refbase @ user @ Serial 537  
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Author Gibson, B.M.; Juricevic, I.; Shettleworth, S.J.; Pratt, J.; Klein, R.M. openurl 
  Title (down) Looking for inhibition of return in pigeons Type Journal Article
  Year 2005 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav  
  Volume 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 White, D.J. url  openurl
  Title (down) Influences of social learning on mate-choice decisions Type Journal Article
  Year 2004 Publication Learning & Behavior Abbreviated Journal Learn. Behav.  
  Volume 32 Issue Pages 105-113  
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  Abstract Evidence from both field and laboratory is consistent with the hypothesis that animals can acquire mate preferences by observing the mating behavior of others. It is difficult, however, to distinguish social learning about mates from a host of other social effects on mating that do not produce changes in preferences. Examples are drawn from laboratory studies on mate choice in female and male Japanese quail that illustrate ways in which social cues influence mating decisions. Quail of both sexes use social cues to modify their mate choices, but the sexes use the information to serve different purposes. Female quail gain preferences for males seen mating with other females, whereas males avoid females that they had observed mating with other males. This sex difference in social learning provides an example of how costs and benefits of sexual behavior can shape decision-making processes. Implications of the influence of social learning on sexual selection are briefly discussed.  
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  Call Number refbase @ user @ Serial 833  
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Author Akins, C.K.; Klein, E.D.; Zentall, T.R. openurl 
  Title (down) Imitative learning in Japanese quail (Coturnix japonica) using the bidirectional control procedure Type Journal Article
  Year 2002 Publication Animal learning & behavior Abbreviated Journal Anim Learn Behav  
  Volume 30 Issue 3 Pages 275-281  
  Keywords Animals; Attention; Behavior, Animal; Coturnix; *Discrimination Learning; *Imitative Behavior; Male; Smell  
  Abstract In the bidirectional control procedure, observers are exposed to a conspecific demonstrator responding to a manipulandum in one of two directions (e.g., left vs. right). This procedure controls for socially mediated effects (the mere presence of a conspecific) and stimulus enhancement (attention drawn to a manipulandum by its movement), and it has the added advantage of being symmetrical (the two different responses are similar in topography). Imitative learning is demonstrated when the observers make the response in the direction that they observed it being made. Recently, however, it has been suggested that when such evidence is found with a predominantly olfactory animal, such as the rat, it may result artifactually from odor cues left on one side of the manipulandum by the demonstrator. In the present experiment, we found that Japanese quail, for which odor cues are not likely to play a role, also showed significant correspondence between the direction in which the demonstrator and the observer push a screen to gain access to reward. Furthermore, control quail that observed the screen move, when the movement of the screen was not produced by the demonstrator, did not show similar correspondence between the direction of screen movement observed and that performed by the observer. Thus, with the appropriate control, the bidirectional procedure appears to be useful for studying imitation in avian species.  
  Address University of Kentucky, Lexington, Kentucky 40506-0044, USA  
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  Series Volume Series Issue Edition  
  ISSN 0090-4996 ISBN Medium  
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  Notes PMID:12391793 Approved no  
  Call Number refbase @ user @ Serial 239  
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