| Records |
| Author |
Nissani, M. |
| Title |
Do Asian elephants (Elephas maximus) apply causal reasoning to tool-use tasks? |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
32 |
Issue  |
1 |
Pages |
91-96 |
| Keywords |
Age Factors; Animals; Behavior, Animal; *Conditioning, Operant; *Decision Making; Discrimination (Psychology); Elephants; Female |
| Abstract |
Two experiments addressed contradictory claims about causal reasoning in elephants. In Experiment 1, 4 Asian elephants (Elephas maximus) were pretrained to remove a lid from the top of a bucket and retrieve a food reward. Subsequently, in the first 5 critical trials, when the lid was placed alongside the bucket and no longer obstructed access to the reward, each elephant continued to remove the lid before retrieving the reward. Experiment 2, which involved 11 additional elephants and variations of the original design, yielded similarly counterintuitive observations. Although the results are open to alternative interpretations, they appear more consistent with associative learning than with causal reasoning. Future applications of Fabrean methodologies (J. H. Fabre, 1915) to animal cognition are proposed. |
| Address |
Departmetn of Interdisciplinary Studies, Wayne State University, Detroit, MI 48202, USA. moti.nissani@wayne.edu |
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English |
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0097-7403 |
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| Notes |
PMID:16435969 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2763 |
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| Author |
Cavoto, K.K.; Cook, R.G. |
| Title |
Cognitive precedence for local information in hierarchical stimulus processing by pigeons |
Type |
Journal Article |
| Year |
2001 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
27 |
Issue |
1 |
Pages |
3-16 |
| Keywords |
Animals; Behavior, Animal; *Cognition; *Columbidae; Conditioning, Operant; Male |
| Abstract |
Four experiments investigated the processing of hierarchical stimuli by pigeons. Using a 4 alternative divided-attention task, 4 pigeons were food-reinforced for accurately identifying letters arranged as either hierarchical global- or local-relevant stimuli or as size-matched filled stimuli. Experiment 1 found that task acquisition was faster with local-relevant than global-relevant stimuli. This difference was not due to letter size. Experiment 2 demonstrated successful transfer to a novel irrelevant letter configuration. Experiments 3 and 4 tested pigeons' responses to conflict probe stimuli composed of equally discriminable relevant letters at each level. These tests revealed that all of the pigeons showed a cognitive precedence for local information early in processing, with the pigeons using different cues to initiate the processing of global information. This local advantage contrasts with previously reported results for humans and pigeons but is similar to that reported for nonhuman primates. Alternatives attempting to reconcile these contrasting comparative results are considered. |
| Address |
Department of Psychology, Tufts University, Medford, Massachusetts 02155, USA |
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English |
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0097-7403 |
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| Notes |
PMID:11199512 |
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no |
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Equine Behaviour @ team @ |
Serial |
2773 |
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| Author |
Domjan, M. |
| Title |
Selective suppression of drinking during a limited period following aversive drug treatment in rats |
Type |
Journal Article |
| Year |
1977 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
3 |
Issue |
1 |
Pages |
66-76 |
| Keywords |
Animals; *Avoidance Learning; Awareness; Conditioning, Operant; Dose-Response Relationship, Drug; Drinking Behavior/*drug effects; Lithium/*poisoning; Male; Osmolar Concentration; Rats; Saccharin/administration & dosage; *Taste; Time Factors |
| Abstract |
Administration of lithium chloride disrupted the intake of flavored solutions but not water in rats. This intake suppression was directly related to the amount of lithium administered (Experiment 1), occurred with both palatable and unpalatable novel saccharin solutions (Experiment 2), but was only observed if subjects were tested starting less than 75 min. after lithium treatment (Experiment 3). Twenty-five daily exposures to saccharin did not attenuate the effect (Experiment 4). However, in saccharin-reared and vinegar-reared rats, lithium did not disrupt consumption of the solutions these subjects had access to throughout life, even though suppressions of intake were observed when these subjects were tested with novel flavors (Experiment 5). The selective disruption of drinking is interpreted as a novelty-dependent sensitization reaction to the discomfort of aversive drug administration. |
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0097-7403 |
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| Notes |
PMID:845544 |
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no |
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Equine Behaviour @ team @ |
Serial |
2788 |
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| Author |
Rudy, J.W.; Iwens, J.; Best, P.J. |
| Title |
Pairing novel exteroceptive cues and illness reduces illness-induced taste aversions |
Type |
Journal Article |
| Year |
1977 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
3 |
Issue |
1 |
Pages |
14-25 |
| Keywords |
Animals; *Association; *Avoidance Learning; Awareness; Conditioning, Operant; *Cues; Drinking Behavior; Environment; Inhibition (Psychology); Lithium/poisoning; Male; Rats; Saccharin/pharmacology; *Taste |
| Abstract |
Four experiments are reported that lead to the conclusion that pairing novel exteroceptive stimulation (placement into a black compartment) with a poison (lithium chloride) attenuates the development of an aversion to a taste (saccharin) subsequently paired with the poison. Such an attenuation effect occurs whether the exteroceptive cues are present or absent when the taste-poison pairing is administered. Interpretation and implications of this finding are discussed. |
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0097-7403 |
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PMID:845542 |
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no |
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Equine Behaviour @ team @ |
Serial |
2789 |
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| Author |
Mitchell, D.; Kirschbaum, E.H.; Perry, R.L. |
| Title |
Effects of neophobia and habituation on the poison-induced avoidance of exteroceptive stimuli in the rat |
Type |
Journal Article |
| Year |
1975 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
1 |
Issue |
1 |
Pages |
47-55 |
| Keywords |
Animals; Avoidance Learning/*drug effects; *Awareness; *Cognition; Conditioning, Operant; Feeding Behavior/drug effects; *Habituation, Psychophysiologic; Injections, Intraperitoneal; Lithium/administration & dosage/poisoning; Male; Rats; *Taste; Time Factors; *Visual Perception |
| Abstract |
Two experiments on the role of neophobia in poison-induced aversions to exteroceptive stimuli are reported. In Experiment 1, rats were given either 10 or 25 days of habituation to the test situation prior to conditioning. Those animals with the longer habituation period avoided a complex of novel exteroceptive stimuli while those with the shorter habituation period did not. In Experiment 2 rats initially avoided the more novel of two containers, but gradually came to eat equal amounts from both. A single pairing of toxicosis with consumption from either the novel or the familiar container reinstated the avoidance of the novel container in both cases. The results were discussed in terms of an interaction between habituation and conditioning procedures. It was suggested that previously reported differences between interoceptive and exteroceptive conditioning effects may have been influenced by the differential novelty of the two classes of stimuli in the test situation. It was further suggested that non-contingently poisoned control groups should routinely be included in poison avoidance conditioning studies. |
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0097-7403 |
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| Notes |
PMID:1151289 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2791 |
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Langbein, J.; Siebert, K.; Nuernberg, G.; Manteuffel, G. |
| Title |
The impact of acoustical secondary reinforcement during shape discrimination learning of dwarf goats (Capra hircus) |
Type |
Journal Article |
| Year |
2007 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
103 |
Issue |
1-2 |
Pages |
35-44 |
| Keywords |
Dwarf goats; Operant conditioning; Visual discrimination learning; Secondary reinforcement |
| Abstract |
The use of secondary reinforcement is widely accepted to support operant learning in animals. In farm animals, however, the efficacy of secondary reinforcement has up to now been studied systematically only in horses (“clicker training”), and the results are controversial. We investigated the impact of acoustical secondary reinforcement on voluntary, self-controlled visual discrimination learning of two-dimensional shapes in group-housed dwarf goats (Capra hircus). Learning tests were conducted applying a computer-controlled learning device that was integrated in the animals' home pen. Shapes were presented on a TFT-screen using a four-choice design. Drinking water was used as primary reinforcement. In the control group (Gcontrol, n = 5) animals received only primary reinforcement, whereas in the sound group (Gsound, n = 6) animals got additional acoustical secondary reinforcement. Testing recall of shapes which had been successfully learned by the goats 6 weeks earlier (T1), we found a weak impact of secondary reinforcement on daily learning success (P = 0.07), but not on the number of trials the animals needed to reach the learning criterion (trials to criterion, n.s.). Results in T1 indicated that dwarf goats did not instantly recall previously learned shapes, but, re-learned within 250-450 trials. When learning a set of new shapes (T2), there was a strong influence of secondary reinforcement on daily learning success and on trials to criterion. Animals in Gsound reached the learning criterion earlier (P < 0.05) and needed fewer trials (1320 versus 3700; P < 0.01), compared to animals in Gcontrol. Results suggest that acoustical secondary reinforcement supports visual discrimination learning of dwarf goats, especially when the task is new and the salience of S+ is low. |
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no |
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Equine Behaviour @ team @ |
Serial |
3583 |
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Ninomiya, S.; Sato, S.; Kusunose, R.; Mitumasu, T.; Obara, Y. |
| Title |
A note on a behavioural indicator of satisfaction in stabled horses |
Type |
Journal Article |
| Year |
2007 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
106 |
Issue |
1-3 |
Pages |
184-189 |
| Keywords |
Animal welfare; Satisfaction; Horses; Operant response; Stable |
| Abstract |
We observed the behaviour of six stabled horses (stallions n = 3; geldings n = 3) in an attempt to identify behavioural measures of eating satisfaction. The horses were required to perform an operant response (pressing a button with the muzzle) in order to access a food reward in an experimental box stall. After each horse had successfully learned the experimental situation, it participated in the experimental protocol on 4 days. Horses were brought to the experimental box stall for the operant response sessions (1 h duration per session), and upon completion, they were returned to their own (home) box stalls. The number of presses for the reward was a Fixed Ratio schedule of either 3 or 12 muzzle presses (FR3, FR12) and the FR procedure for each horse was as follows: FR3 FR12 FR12 FR3 or FR12 FR3 FR3 FR12. Number of rewards obtained during each session, and behaviour and heart rate after each session were recorded for each horse. A repeated measures ANOVA showed that the number of rewards obtained in FR3 was higher than in FR12 (P < 0.05). The horses spent more time in standing-rest, (with ears rotating laterally and exhibiting a low neck position) indicating sleep, in the home box stall, after FR3 compared to FR12 treatments (P < 0.05). Mean heart rate after standing-sleep was significantly lower than mean heart rate in the home box stall (P < 0.01). These results suggest that eating satisfaction induces sleep in stabled horses, and that episodes of standing-sleep behaviour may be a useful indicator of appropriate or enhanced welfare in the horse. |
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no |
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refbase @ user @ |
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281 |
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| Author |
Zentall, T.R. |
| Title |
Mental time travel in animals: a challenging question |
Type |
Journal Article |
| Year |
2006 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
72 |
Issue |
2 |
Pages |
173-183 |
| Keywords |
Animals; *Behavior, Animal; Columbidae; Concept Formation; Conditioning, Operant; *Imagination; *Memory; Mental Recall; Planning Techniques; Rats; *Time Perception; Transfer (Psychology) |
| Abstract |
Humans have the ability to mentally recreate past events (using episodic memory) and imagine future events (by planning). The best evidence for such mental time travel is personal and thus subjective. For this reason, it is particularly difficult to study such behavior in animals. There is some indirect evidence, however, that animals have both episodic memory and the ability to plan for the future. When unexpectedly asked to do so, animals can report about their recent past experiences (episodic memory) and they also appear to be able to use the anticipation of a future event as the basis for a present action (planning). Thus, the ability to imagine past and future events may not be uniquely human. |
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Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA. zentall@uky.edu |
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English |
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0376-6357 |
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PMID:16466863 |
Approved |
no |
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refbase @ user @ |
Serial |
218 |
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Shettleworth, S.J. |
| Title |
Reinforcement and the organization of behavior in golden hamsters: Pavlovian conditioning with food and shock unconditioned stimuli |
Type |
Journal Article |
| Year |
1978 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
4 |
Issue |
2 |
Pages |
152-169 |
| Keywords |
Acoustic Stimulation; Animals; *Behavior, Animal; *Conditioning, Classical; Conditioning, Operant; Cricetinae; *Electroshock; Female; *Food; Male; Punishment; *Reinforcement (Psychology); Reinforcement Schedule |
| Abstract |
The effects of Pavlovian conditioned stimuli (CSs) for food or shock on a variety of behaviors of golden hamsters were observed in three experiments. The aim was to see whether previously reported differences among the behaviors produced by food reinforcement and punishment procedures could be accounted for by differential effects of Pavlovian conditioning on the behaviors. There was some correspondence between the behaviors observed to the CSs and the previously reported effects of instrumental training. However, the Pavlovian conditioned responses (CRs) alone would not have predicted the effects of instrumental training. Moreover, CRs depended to some extent on the context in which training and testing occurred. These findings, together with others in the literature, suggest that the results of Pavlovian conditioning procedures may not unambiguously predict what system of behaviors will be most readily modified by instrumental training with a given reinforcer. |
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0097-7403 |
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PMID:670890 |
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no |
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refbase @ user @ |
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387 |
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Rapin, V.; Poncet, P.A.; Burger, D.; Mermod, C.; Richard, M.A. |
| Title |
[Measurement of the attention time in the horse] |
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Journal Article |
| Year |
2007 |
Publication |
Schweizer Archiv fur Tierheilkunde |
Abbreviated Journal |
Schweiz Arch Tierheilkd |
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149 |
Issue |
2 |
Pages |
77-83 |
| Keywords |
Age Factors; Animals; *Attention/physiology; Conditioning, Operant; Cross-Over Studies; Female; Horses/*physiology; Learning/*physiology; Male; Memory/*physiology; Time Factors |
| Abstract |
A study carried out on 49 horses showed that it is possible to measure the attention time by operant conditioning. After teaching horses an instrumental task using a signal, we were then able to test their attention time by asking them to prolong it increasingly while setting success and failure criteria. Two tests were performed 3 weeks apart. The 2nd test was feasible without relearning, a proof of memory, and was repeatable, a proof of consistency in the attention time. A significant difference was observed between the 3 age groups. Young horses often performed very well during the 1st test but their attention dropped in the 2nd test while older horses were more stable with respect to attention and even increased it slightly. The study shows that there are individual differences but it was not possible to prove a significant influence of breed, gender and paternal influence. Consequently, learning appears to be one of the most interesting approaches for evaluating the attention of horses and for observing their behaviour. |
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Laboratoire d'Ecoethologie, Universite de Neuchatel, Suisse. veronique.rapin@unine.ch |
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French |
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Mesure de la duree d'attention chez le cheval |
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0036-7281 |
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PMID:17343134 |
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1770 |
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