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Author Dawson, B.V.; Foss, B.M. doi  openurl
  Title Observational learning in budgerigars Type Journal Article
  Year 1965 Publication Animal Behaviour Abbreviated Journal Anim. Behav.  
  Volume 13 Issue 4 Pages 470-474  
  Keywords Animals; *Attention; *Behavior, Animal; Birds; *Learning  
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  Notes (up) Approved no  
  Call Number Equine Behaviour @ team @ Serial 2991  
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Author Cooper, J.J. openurl 
  Title Comparative learning theory and its application in the training of horses Type Journal Article
  Year 1998 Publication Equine veterinary journal. Supplement Abbreviated Journal Equine Vet J Suppl  
  Volume Issue 27 Pages 39-43  
  Keywords Animals; *Behavior, Animal; Conditioning (Psychology); Horses/*psychology; *Learning; Reinforcement (Psychology)  
  Abstract Training can best be explained as a process that occurs through stimulus-response-reinforcement chains, whereby animals are conditioned to associate cues in their environment, with specific behavioural responses and their rewarding consequences. Research into learning in horses has concentrated on their powers of discrimination and on primary positive reinforcement schedules, where the correct response is paired with a desirable consequence such as food. In contrast, a number of other learning processes that are used in training have been widely studied in other species, but have received little scientific investigation in the horse. These include: negative reinforcement, where performance of the correct response is followed by removal of, or decrease in, intensity of a unpleasant stimulus; punishment, where an incorrect response is paired with an undesirable consequence, but without consistent prior warning; secondary conditioning, where a natural primary reinforcer such as food is closely associated with an arbitrary secondary reinforcer such as vocal praise; and variable or partial conditioning, where once the correct response has been learnt, reinforcement is presented according to an intermittent schedule to increase resistance to extinction outside of training.  
  Address Department of Zoology, University of Oxford, UK  
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  Notes (up) PMID:10485003 Approved no  
  Call Number refbase @ user @ Serial 846  
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Author Mills, D.S. openurl 
  Title Applying learning theory to the management of the horse: the difference between getting it right and getting it wrong Type Journal Article
  Year 1998 Publication Equine veterinary journal. Supplement Abbreviated Journal Equine Vet J Suppl  
  Volume Issue 27 Pages 44-48  
  Keywords Animals; *Behavior, Animal; Horses/*psychology; *Learning; Reinforcement (Psychology)  
  Abstract Horses constantly modify their behaviour as a result of experience. This involves the creation of an association between events or stimuli. The influence of people on the modification and generation of certain behaviour patterns extends beyond the intentional training of the horse. The impact of any action depends on how it is perceived by the horse, rather than the motive of the handler. Negative and positive reinforcement increase the probability of specific behaviours recurring i.e. strengthen the association between events, whereas punishment reduces the probable recurrence of a behaviour without providing specific information about the desired alternative. In this paper the term 'punishers' is used to refer to the physical aids, such as a whip or crop, which may be used to bring about the process of punishment. However, if their application ceases when a specific behaviour occurs they may negatively reinforce that action. Intended 'punishers' may also be rewarding (e.g. for attention seeking behaviour). Therefore, contingency factors (which define the relationship between stimuli, such as the level of reinforcement), contiguity factors (which describe the proximity of events in space or time) and choice of reinforcing stimuli are critical in determining the rate of learning. The many problems associated with the application of punishment in practice lead to confusion by both horse and handler and, possibly, abuse of the former. Most behaviour problems relate to handling and management of the horse and can be avoided or treated with a proper analysis of the factors influencing the behaviour.  
  Address De Montfort University Lincoln, School of Agriculture and Horticulture, Caythorpe, Lincs., UK  
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  Notes (up) PMID:10485004 Approved no  
  Call Number refbase @ user @ Serial 845  
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Author Janik, V.M. openurl 
  Title Whistle matching in wild bottlenose dolphins (Tursiops truncatus) Type Journal Article
  Year 2000 Publication Science (New York, N.Y.) Abbreviated Journal Science  
  Volume 289 Issue 5483 Pages 1355-1357  
  Keywords Animals; Animals, Wild/physiology; Dolphins/*physiology; *Imitative Behavior; *Learning; *Social Behavior; *Vocalization, Animal  
  Abstract Dolphin communication is suspected to be complex, on the basis of their call repertoires, cognitive abilities, and ability to modify signals through vocal learning. Because of the difficulties involved in observing and recording individual cetaceans, very little is known about how they use their calls. This report shows that wild, unrestrained bottlenose dolphins use their learned whistles in matching interactions, in which an individual responds to a whistle of a conspecific by emitting the same whistle type. Vocal matching occurred over distances of up to 580 meters and is indicative of animals addressing each other individually.  
  Address School of Biology, University of St. Andrews, Bute Building, Fife KY16 9TS, UK  
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  ISSN 0036-8075 ISBN Medium  
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  Notes (up) PMID:10958783 Approved no  
  Call Number refbase @ user @ Serial 550  
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Author Dorrance, B.R.; Zentall, T.R. openurl 
  Title Imitative learning in Japanese quail (Coturnix japonica) depends on the motivational state of the observer quail at the time of observation Type Journal Article
  Year 2001 Publication Journal of comparative psychology (Washington, D.C. : 1983) Abbreviated Journal J Comp Psychol  
  Volume 115 Issue 1 Pages 62-67  
  Keywords Animals; *Behavior, Animal; *Coturnix; Female; *Imitative Behavior; *Learning; Male; *Motivation; Reinforcement (Psychology); Time Factors  
  Abstract The 2-action method was used to examine whether imitative learning in Japanese quail (Coturnix japonica) depends on the motivational state of the observer quail at the time of observation of the demonstrated behavior. Two groups of observers were fed before observation (satiated groups), whereas 2 other groups of observers were deprived of food before observation (hungry groups). Quail were tested either immediately following observation or after a 30-min delay. Results indicated that quail in the hungry groups imitated, whereas those in the satiated groups did not, regardless of whether their test was immediate or delayed. The results suggest that observer quail may not learn (through observation) behavior that leads to a reinforcer for which they are unmotivated at the time of test. In addition, the results show that quail are able to delay the performance of a response acquired through observation (i.e., they show deferred imitation).  
  Address Department of Psychology, University of Kentucky, Lexington 40506-0044, USA  
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  ISSN 0735-7036 ISBN Medium  
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  Notes (up) PMID:11334220 Approved no  
  Call Number refbase @ user @ Serial 245  
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Author Punzo, F.; Ludwig, L. doi  openurl
  Title Contact with maternal parent and siblings affects hunting behavior, learning, and central nervous system development in spiderlings of Hogna carolinensis (Araeneae: Lycosidae) Type Journal Article
  Year 2002 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 2 Pages 63-70  
  Keywords Animals; Central Nervous System/*growth & development; Female; *Learning; Male; *Predatory Behavior; Social Isolation; *Spiders  
  Abstract The purpose of this study was to determine the effects of early experience (rearing conditions) on the central nervous system (CNS) and behavior of spiderlings of Hogna carolinensis (Lycosidae). We were interested in whether or not spiderlings that were allowed to remain in contact with their maternal parent and siblings (enriched condition, EC) would exhibit differences in CNS development or subsequent behavior when compared with those reared in isolation (improverished condition, IC). Spiderlings emerged from their egg sacs and climbed onto the dorsal surface of their mother's abdomen where they remained until their yolk supply was depleted (5 days). They dispersed on day 6 after emergence. We compared the ability of 16-day-old EC and IC spiderlings to capture prey in a linear runway and to learn a complex maze (spatial learning). We also compared certain aspects of CNS development (brain weight, total number of brain cells, volume of central body and protocerebral neuropil) in EC and IC spiderlings. Results indicated that EC subjects are more efficient at capturing moving prey (crickets) and exhibited improved performance (significantly fewer blind alley errors) in the maze. The volume of the protocerebral neuropil in 6-day-old EC animals increased 30% over a 5-day period after emergence as compared to IC animals of the same age. The volume of the central body of EC animals increased 34.8% over the same time period. On day 6 after emergence, the weight of the protocerebrum was significantly greater in EC versus IC subjects. There were no significant effects of rearing condition (EC vs IC) or age (1- and 6-day-old spiderlings) on the total number of nerve cells in the protocerebrum, suggesting that the difference in protocerebral weight was due primarily to differences in supporting glial tissues and neuropil matrix. In conclusion, the data suggest that early contact with the maternal parent and siblings is of vital importance to CNS development in lycosid spiderlings and can influence the capacity for spatial learning as well as the ability to capture prey.  
  Address Box 5F-Dept. of Biology, University of Tampa, 401 W. Kennedy Blvd., Tampa, FL 33606, USA. fpunzo@ut.edu  
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  ISSN 1435-9448 ISBN Medium  
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  Notes (up) PMID:12150037 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2607  
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Author Chappell, J.; Kacelnik, A. doi  openurl
  Title Tool selectivity in a non-primate, the New Caledonian crow (Corvus moneduloides) Type Journal Article
  Year 2002 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 2 Pages 71-78  
  Keywords Adaptation, Psychological; Animals; *Cognition; Female; *Learning; Male; Perception; *Songbirds  
  Abstract We present an experiment showing that New Caledonian crows are able to choose tools of the appropriate size for a novel task, without trial-and-error learning. This species is almost unique amongst all animal species (together with a few primates) in the degree of use and manufacture of polymorphic tools in the wild. However, until now, the flexibility of their tool use has not been tested. Flexibility, including the ability to select an appropriate tool for a task, is considered to be a hallmark of complex cognitive adaptations for tool use. In experiment 1, we tested the ability of two captive birds (one male, one female), to select a stick (from a range of lengths provided) matching the distance to food placed in a horizontal transparent pipe. Both birds chose tools matching the distance to their target significantly more often than would be expected by chance. In experiment 2, we used a similar task, but with the tools placed out of sight of the food pipe, such that the birds had to remember the distance of the food before selecting a tool. The task was completed only by the male, who chose a tool of sufficient length significantly more often than chance but did not show a preference for a matching length.  
  Address Department of Zoology, University of Oxford, South Parks Road, Oxford OXI 3PS, UK. jackie.chappell@zoo.ox.ac.uk  
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  ISSN 1435-9448 ISBN Medium  
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  Notes (up) PMID:12150038 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2606  
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Author Burke, D.; Cieplucha, C.; Cass, J.; Russell, F.; Fry, G. doi  openurl
  Title Win-shift and win-stay learning in the short-beaked echidna (Tachyglossus aculeatus) Type Journal Article
  Year 2002 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 2 Pages 79-84  
  Keywords Animals; Echidna/*psychology; Ecology; Female; *Learning; *Memory; *Predatory Behavior; Reinforcement (Psychology)  
  Abstract Numerous previous investigators have explained species differences in spatial memory performance in terms of differences in foraging ecology. In three experiments we attempted to extend these findings by examining the extent to which the spatial memory performance of echidnas (or “spiny anteaters”) can be understood in terms of the spatio-temporal distribution of their prey (ants and termites). This is a species and a foraging situation that have not been examined in this way before. Echidnas were better able to learn to avoid a previously rewarding location (to “win-shift”) than to learn to return to a previously rewarding location (to “win-stay”), at short retention intervals, but were unable to learn either of these strategies at retention intervals of 90 min. The short retention interval results support the ecological hypothesis, but the long retention interval results do not.  
  Address Department of Psychology, University of Wollongong, Wollongong, NSW 2522, Australia. darren_burke@uow.edu.au  
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  ISSN 1435-9448 ISBN Medium  
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  Notes (up) PMID:12150039 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2605  
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Author Schwartz, B.L.; Colon, M.R.; Sanchez, I.C.; Rodriguez, I.A.; Evans, S. doi  openurl
  Title Single-trial learning of “what” and “who” information in a gorilla (Gorilla gorilla gorilla): implications for episodic memory Type Journal Article
  Year 2002 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 2 Pages 85-90  
  Keywords Animals; Cognition; Gorilla gorilla/*psychology; *Learning; Male; *Memory; Perception; Reinforcement Schedule  
  Abstract Single-trial learning and long-term memory of “what” and “who” information were examined in an adult gorilla (Gorilla gorilla gorilla). We presented the gorilla with a to-be-remembered food item at the time of study. In Experiment 1, following a retention interval of either approximately 7 min or 24 h, the gorilla responded with one of five cards, each corresponding to a particular food. The gorilla was accurate on 70% of the short retention-interval trials and on 82% of the long retention-interval trials. In Experiment 2, the food stimulus was provided by one of two experimenters, each of whom was represented by a card. The gorilla identified the food (55% of the time) and the experimenter (82% of the time) on the short retention-interval trials. On the long retention-interval trials, the gorilla was accurate for the food (73%) and for the person (87%). The results are interpreted in light of theories of episodic memory.  
  Address Department of Psychology, Florida International University, University Park, Miami, FL 33199, USA. schwartb@fiu.edu  
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  ISSN 1435-9448 ISBN Medium  
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  Notes (up) PMID:12150040 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2604  
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Author Katz, M.; Lachlan, R.F. doi  openurl
  Title Social learning of food types in zebra finches (Taenopygia guttata) is directed by demonstrator sex and feeding activity Type Journal Article
  Year 2003 Publication Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 6 Issue 1 Pages 11-16  
  Keywords Animals; Color; Diet; *Feeding Behavior; Female; *Learning; Male; Sex Factors; *Social Behavior; *Songbirds  
  Abstract In this study we examined how social learning of feeding preferences by zebra finches was affected by the identity of different demonstrators. We presented adult zebra finches with two demonstrators, one male and one female, that exhibited different food choices, and we recorded their subsequent preference when given a choice between the two food types. Previously it was found that young zebra finches' patterns of social learning are affected by the sex of the individual demonstrating a feeding behaviour. This result could be explained by the lack of exposure these animals had to the opposite sex, or by their mating status. Therefore, we investigated the social learning preferences of adult mated zebra finches. We found the same pattern of directed social learning of a different type of feeding behaviour (food colour): female zebra finches preferred the colour of food eaten by male demonstrators, whereas male zebra finches showed little evidence of any preference for the colour of food eaten by female demonstrators. Furthermore, we found that female observers' preferences were biased by demonstrators' relative feeding activity: the female demonstrator was only ever preferred if it ate less than its male counterpart.  
  Address Institute of Evolutionary and Ecological Science, University of Leiden, Kaiserstraat 63, 2311GP, Leiden, The Netherlands  
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  ISSN 1435-9448 ISBN Medium  
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  Notes (up) PMID:12658531 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2585  
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