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Author Heyes, C.M. url  openurl
  Title Imitation, culture and cognition Type Journal Article
  Year 1993 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 46 Issue 5 Pages 999-1010  
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  Abstract Abstract. This paper examines the significance of imitation in non-human animals with respect to the phylogenetic origins of culture and cognitive complexity. It is argued that both imitation (learning about behaviour through nonspecific observation) and social learning (learning about the environment through conspecific observation) can mediate social transmission of information, and that neither is likely to play an important role in supporting behavioural traditions or culture. Current evidence suggests that imitation is unlikely to do this because it does not insulate information from modification through individual learning in the retention period between acquisition and re-transmission. Although insignificant in relation to culture, imitation apparently involves complex and little-understood cognitive operations. It is unique in requiring animals spontaneously to equate extrinsic visual input with proprioceptive and/or kinaesthetic feedback from their own actions, but not in requiring or implicating self-consciousness, representation, metarepresentation or a capacity for goal-directed action.  
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  Call Number Equine Behaviour @ team @ Serial 2920  
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Author McGregor, A.; Saggerson, A.; Pearce, J.; Heyes, C. url  doi
openurl 
  Title Blind imitation in pigeons, Columba livia Type Journal Article
  Year 2006 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 72 Issue 2 Pages 287-296  
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  Abstract Pigeons that had been trained with a food reward both to peck at and to step on a horizontal plate were allowed to observe a conspecific demonstrator pecking at or stepping on the plate before a test in which the observers were not rewarded for either pecking or stepping. In experiment 1, the demonstrators were not rewarded while being observed. In spite of this, the observers provided evidence of imitation: those that had observed pecking made a greater proportion of pecking responses on test than observers of stepping. In experiment 2, each observer was exposed to a pecking or a stepping conspecific on two occasions. On one occasion, the demonstrator received a food reward for each demonstrated response (continuous reinforcement condition), and on the other the demonstrator's responses were rewarded only rarely (variable interval condition). The observers provided equally strong evidence of imitation in each of these conditions; on test, they made proportionally more of the observed response both when the demonstrators had been richly rewarded and when they had been rarely rewarded. These results show that pigeons engage in `blind' imitation, that is, their imitative behaviour is not always guided by observational learning about response outcomes.  
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  Call Number refbase @ user @ Serial 294  
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Author Heyes, C.M. url  doi
openurl 
  Title Imitation and flattery: a reply to Byrne & Tomasello Type Journal Article
  Year 1995 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 50 Issue 5 Pages 1421-1424  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 593  
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Author Reed, P.; Skiera, F.; Adams, L.; Heyes, C.M. url  openurl
  Title Effects of Isolation Rearing and Mirror Exposure on Social and Asocial Discrimination Performance Type Journal Article
  Year 1996 Publication Learning and Motivation Abbreviated Journal Learn. Motiv.  
  Volume 27 Issue 2 Pages 113-129  
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  Abstract Four experiments examined the effects of rearing in isolation on rats performance on discrimination-based and social learning tasks. After demonstrating that the rearing procedures produced similar results in an open field task to those previously established (Experiment 1), rats were subjected to two discrimination tasks: an instrumental occasion setting procedure (Experiment 3) and a nonspatial win-stay/lose-shift versus win-shift/lose-stay procedure (Experiment 4). Deficits in acquisition of the necessary discriminations were noted in the rats raised in isolation, but there were no differences between isolation-reared and socially reared subjects in response acquisition per se. In Experiment 2, rats were presented with an observational learning task using the bidirectional control procedure. Socially reared rats had a tendency to imitate the behavior they had observed, but rats raised in isolation performed the opposite behavior to that observed, indicating a failure to use a conspecific as a reference point in the task. The presence of a mirror during rearing in isolation was also investigated, but was found to have little effect in attenuating the above deficits in behavior.  
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  Call Number refbase @ user @ Serial 725  
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Author Campbell, F.M.; Heyes, C.M.; Goldsmith, A.R. url  doi
openurl 
  Title Stimulus learning and response learning by observation in the European starling, in a two-object/two-action test Type Journal Article
  Year 1999 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 58 Issue 1 Pages 151-158  
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  Abstract Juvenile European starlings, Sturnus vulgaris , were allowed to observe a conspecific demonstrator using its beak to remove one of two distinctively coloured objects (i.e. a red or a black plug) from a hole in the lid of a plastic box. Both plugs could be removed by either pulling up on a loop of string inserted through the centre of the plug, or pushing down on the plug. When subsequently allowed access to the plugs, and rewarded with food for all removal responses, regardless of the object to which they were made and their direction, observer birds removed the same plug in the same direction as their demonstrator. These results suggest that the two-object/two-action paradigm is a valuable procedure for testing for the simultaneous effects of learning about a stimulus and a response, an object and an action, through conspecific observation.  
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  Notes Approved no  
  Call Number Serial 2088  
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Author Campbell, F.M.; Heyes, C.M. url  doi
openurl 
  Title Rats smell: odour-mediated local enhancement, in a vertical movement two-action test Type Journal Article
  Year 2002 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 63 Issue 6 Pages 1055-1063  
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  Abstract In two experiments, hungry rats, Rattus norvegicus, were present in one side of an operant chamber while a conspecific demonstrator in the adjacent compartment moved a single lever either up or down for a food reward. During a subsequent test session, in which these rats were allowed access to the lever for the first time, all responses were rewarded regardless of their direction. In experiment 1, rats that were prevented from observing the direction of lever movement by means of a screen showed a reliable demonstrator-consistent response bias, while rats that had observed the direction of lever movement and in addition had access to any odour cues deposited on the lever did not. In experiment 2, each rat observed another rat (the `viewed' demonstrator) moving a lever either up or down. They were then transferred into the test compartment of a different operant chamber in which another rat (the `box' demonstrator) had moved the lever in the same direction as the viewed demonstrator or in the opposite direction. These observer rats showed a reliable preference for their box demonstrator's direction, but responded in the opposite direction to their viewed demonstrator. Taken together, the results of these experiments suggest that directional responding by rats in a vertical movement two-action test is influenced by demonstrator-deposited odour cues in addition to visual experience of a demonstrator's behaviour. Furthermore, while odour-mediated local enhancement gave rise to demonstrator-consistent responding, visual observation of a conspecific appeared to have the reverse effect. Copyright 2002 The Association for the Study of Animal Behaviour. Published by Elsevier Science Ltd. All rights reserved.  
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  Call Number Serial 2089  
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Author Heyes, C.; Galef, B.G. (eds) isbn  openurl
  Title Social learning in animals: the roots of culture Type Book Whole
  Year 1996 Publication Abbreviated Journal  
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  Publisher Academic Press, Inc. Place of Publication San Diego, CA Editor Heyes, C. ; Galef, B.G.  
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  ISSN (up) ISBN 978-0122739651 Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ home Serial 2174  
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Author Ray, E.D.; Gardner, M.R.; Heyes, C.M. doi  openurl
  Title Seeing how it's done: matching conditions for observer rats (Rattus norvegicus) in the bidirectional control Type Journal Article
  Year 2000 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 3 Issue 3 Pages 147-157  
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  Abstract In an attempt to increase the reliability of the demonstrator-consistent responding effect produced in the bidirectional control procedure, experiments 1-4 sought conditions that would magnify the matching effect. The aim was to produce a robust demonstrator-consistent responding effect in order that future analytic experiments could investigate the psychological processes responsible for this effect. The joystick responses of observer rats trained using the standard bidirectional control procedure parameters were compared with those of observers subject to conditions identified in the social learning literature as favourable for imitation. Unlike mice, observer rats in experiments 1 a and 1 b tended to push a joystick in the same direction as their demonstrators when the demonstrators were either familiar or unfamiliar males and females. Comparable demonstrator-consistent responding occurred following observation of a standard and a salient joystick response (experiment 2). Experiment 3 showed that the discriminative accuracy of a demonstrator's responding was important for matching behaviour, and suggested that matching might be enhanced with more than the conventional single observation session. Experiment 4 confirmed that the bidirectional control effect is sensitive to the amount of observational experience; after six observation sessions, demonstrator-inconsistent responding occurs. The results of experiments 1-3 are, and those of experiment 4 are not, compatible with the hypothesis that demonstrator-consistent responding in the bidirectional control is caused by olfactory cues deposited by demonstrators on the joystick.  
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  Call Number Equine Behaviour @ team @ Serial 3317  
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Author Heyes, C.M. openurl 
  Title Transformation and associative theories of imitation. Type Book Chapter
  Year 2002 Publication Imitation in animals and artefacts Abbreviated Journal  
  Volume Issue Pages 501-523  
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  Publisher MIT Press Place of Publication Cambridge, MA. Editor Dautenhahn, K. ; Nehaniv, C. L.  
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  Call Number Equine Behaviour @ team @ Serial 5602  
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Author Heyes, C. url  doi
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  Title What's social about social learning? Type Journal Article
  Year 2012 Publication J Comp Psychol Abbreviated Journal  
  Volume 120 Issue Pages  
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  Call Number Equine Behaviour @ team @ Heyes2012 Serial 6228  
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