Records |
Author |
Byrne, R.W.; Bates, L.A. |
Title |
Why are animals cognitive? |
Type |
Journal Article |
Year |
2006 |
Publication |
Current Biology : CB |
Abbreviated Journal |
Curr Biol |
Volume |
16 |
Issue |
12 |
Pages |
R445-8 |
Keywords |
Animals; Arachnida/physiology; *Association Learning; *Behavior, Animal; *Cognition; Cooperative Behavior; Falconiformes/physiology; Pan troglodytes/physiology; Parrots/physiology; Passeriformes/physiology |
Abstract |
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Address |
Centre for Social Learning and Cognitive Evolution, and Scottish Primate Research Group, School of Psychology, University of St Andrews, Fife KY16 9JP, Scotland |
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English |
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Edition |
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ISSN |
0960-9822 |
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Notes |
PMID:16781995 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4708 |
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Author |
Beckers, T.; Miller, R.R.; De Houwer, J.; Urushihara, K. |
Title |
Reasoning rats: forward blocking in Pavlovian animal conditioning is sensitive to constraints of causal inference |
Type |
Journal Article |
Year |
2006 |
Publication |
Journal of experimental psychology. General |
Abbreviated Journal |
J Exp Psychol Gen |
Volume |
135 |
Issue |
1 |
Pages |
92-102 |
Keywords |
Animals; *Association Learning; *Cognition; *Conditioning, Classical; Cues; Fear; Female; Inhibition (Psychology); Male; Motivation; *Problem Solving; Rats; Rats, Sprague-Dawley |
Abstract |
Forward blocking is one of the best-documented phenomena in Pavlovian animal conditioning. According to contemporary associative learning theories, forward blocking arises directly from the hardwired basic learning rules that govern the acquisition or expression of associations. Contrary to this view, here the authors demonstrate that blocking in rats is flexible and sensitive to constraints of causal inference, such as violation of additivity and ceiling considerations. This suggests that complex cognitive processes akin to causal inferential reasoning are involved in a well-established Pavlovian animal conditioning phenomenon commonly attributed to the operation of basic associative processes. |
Address |
Department of Psychology, Binghamton University, State University of New York, NY, USA. tom.beckers@psy.kuleuven.be |
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English |
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Edition |
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ISSN |
0096-3445 |
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Conference |
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Notes |
PMID:16478318 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
155 |
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Author |
Sovrano, V.A.; Bisazza, A.; Vallortigara, G. |
Title |
How fish do geometry in large and in small spaces |
Type |
Journal Article |
Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
10 |
Issue |
1 |
Pages |
47-54 |
Keywords |
Animals; *Association Learning; Color Perception; Cues; *Discrimination Learning; *Distance Perception; *Fishes; Male; Pattern Recognition, Visual; Social Environment; *Space Perception; Visual Perception |
Abstract |
It has been shown that children and non-human animals seem to integrate geometric and featural information to different extents in order to reorient themselves in environments of different spatial scales. We trained fish (redtail splitfins, Xenotoca eiseni) to reorient to find a corner in a rectangular tank with a distinctive featural cue (a blue wall). Then we tested fish after displacement of the feature on another adjacent wall. In the large enclosure, fish chose the two corners with the feature, and also tended to choose among them the one that maintained the correct arrangement of the featural cue with respect to geometric sense (i.e. left-right position). In contrast, in the small enclosure, fish chose both the two corners with the features and the corner, without any feature, that maintained the correct metric arrangement of the walls with respect to geometric sense. Possible reasons for species differences in the use of geometric and non-geometric information are discussed. |
Address |
Department of General Psychology, University of Padua, Via Venezia, 8, 35131, Padova, Italy. valeriaanna.sovrano@unipd.it |
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1435-9448 |
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Notes |
PMID:16794851 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2462 |
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Author |
Cole, P.D.; Adamo, S.A. |
Title |
Cuttlefish (Sepia officinalis: Cephalopoda) hunting behavior and associative learning |
Type |
Journal Article |
Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
8 |
Issue |
1 |
Pages |
27-30 |
Keywords |
Animals; *Appetitive Behavior; *Association Learning; *Conditioning, Classical; Female; Male; *Mollusca; Photic Stimulation; *Predatory Behavior |
Abstract |
Because most learning studies in cephalopods have been performed on octopods, it remains unclear whether such abilities are specific to octopus, or whether they correlate with having a larger and more centrally organized brain. To investigate associative learning in a different cephalopod, six sexually mature cuttlefish (Sepia officinalis) participated in a counterbalanced, within-subjects, appetitive, classical conditioning procedure. Two plastic spheres (conditioned stimuli, CSs), differing in brightness, were presented sequentially. Presentation of the CS+ was followed 5 s later by a live feeder fish (unconditioned stimulus, US). Cuttlefish began to attack the CS+ with the same type of food-acquisition seizures used to capture the feeder fish. After seven blocks of training (42 presentations of each CS) the difference in seizure probability between CS+ and CS- trials more than doubled; and was found to be significantly higher in late versus early blocks. These results indicate that cuttlefish exhibit autoshaping under some conditions. The possible ecological significance of this type of learning is briefly discussed. |
Address |
Department of Psychology, Dalhousie University Halifax, Nova Scotia, Canada |
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1435-9448 |
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Notes |
PMID:15592760 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2500 |
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Author |
Osthaus, B.; Lea, S.E.G.; Slater, A.M. |
Title |
Dogs (Canis lupus familiaris) fail to show understanding of means-end connections in a string-pulling task |
Type |
Journal Article |
Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
8 |
Issue |
1 |
Pages |
37-47 |
Keywords |
Animals; *Association Learning; *Cognition; Dogs/*psychology; *Problem Solving |
Abstract |
Domestic dogs (Canis lupus familiaris) were tested in four experiments for their understanding of means-end connections. In each of the experiments, the dogs attempted to retrieve a food treat that could be seen behind a barrier and which was connected, via string, to a within-reach wooden block. In the experiments, either one or two strings were present, but the treat was attached only to one string. Successful retrieval of the treat required the animals to pull the appropriate string (either by pawing or by grasping the wooden block in their jaws) until the treat emerged from under the barrier. The results showed that the dogs were successful if the treat was in a perpendicular line to the barrier, i.e. straight ahead, but not when the string was at an angle: in the latter condition, the typical response was a proximity error in that the dogs pawed or mouthed at a location closest in line to the treat. When two strings that crossed were present, the dogs tended to pull on the wrong string. The combined results from the experiments show that, although dogs can learn to pull on a string to obtain food, they do not spontaneously understand means-end connections involving strings. |
Address |
School of Psychology, University of Exeter, Exeter, EX4 4QG, UK. b.osthaus@exeter.ac.uk |
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1435-9448 |
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Notes |
PMID:15338446 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2513 |
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Author |
O'Connell, S.; Dunbar, R.I.M. |
Title |
The perception of causality in chimpanzees (Pan spp.) |
Type |
Journal Article |
Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
8 |
Issue |
1 |
Pages |
60-66 |
Keywords |
Animals; *Association Learning; Awareness; *Concept Formation; Female; *Habituation, Psychophysiologic; Male; Pan paniscus/*psychology; Pan troglodytes/*psychology; Perception |
Abstract |
Chimpanzees (Pan spp.) were tested on a habituation/dishabituation paradigm that was originally developed to test for comprehension of causality in very young human infants. Three versions of the test were used: a food item being moved by a hand, a human pushing another human off a chair to obtain a food item, and a film clip of natural chimpanzee behaviour (capturing and eating a monkey). Chimpanzees exhibited similar results to those obtained with human infants, with significantly elevated levels of looking on the dishabituation trials. Since the level of response was significantly greater on natural/unnatural sequences than on unnatural/natural sequences, we conclude that the chimpanzees were not responding just to novelty but rather to events that infringed their sense of natural causation. |
Address |
Evolutionary Psychology Research Group, School of Biological Sciences, Biosciences Building, University of Liverpool, Liverpool, L69 7ZB, UK |
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ISSN |
1435-9448 |
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Notes |
PMID:15322943 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2514 |
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