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Author |
Dawson, B.V.; Foss, B.M. |
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Title |
Observational learning in budgerigars |
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Journal Article |
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Year |
1965 |
Publication |
Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
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Volume |
13 |
Issue |
4 |
Pages |
470-474 |
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Keywords |
Animals; *Attention; *Behavior, Animal; Birds; *Learning |
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Equine Behaviour @ team @ |
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2991 |
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Author |
Kaminski, J.; Call, J.; Tomasello, M. |
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Title |
Body orientation and face orientation: two factors controlling apes' behavior from humans |
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Journal Article |
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Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
4 |
Pages |
216-223 |
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Keywords |
Animals; *Attention; *Behavior, Animal; Cognition; *Concept Formation; Face; Facial Expression; Female; Fixation, Ocular; Hominidae/*psychology; Humans; Male; *Nonverbal Communication; *Orientation; Pan paniscus/psychology; Pan troglodytes/psychology; Pongo pygmaeus/psychology; *Posture; Social Perception; Species Specificity |
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Abstract |
A number of animal species have evolved the cognitive ability to detect when they are being watched by other individuals. Precisely what kind of information they use to make this determination is unknown. There is particular controversy in the case of the great apes because different studies report conflicting results. In experiment 1, we presented chimpanzees, orangutans, and bonobos with a situation in which they had to request food from a human observer who was in one of various attentional states. She either stared at the ape, faced the ape with her eyes closed, sat with her back towards the ape, or left the room. In experiment 2, we systematically crossed the observer's body and face orientation so that the observer could have her body and/or face oriented either towards or away from the subject. Results indicated that apes produced more behaviors when they were being watched. They did this not only on the basis of whether they could see the experimenter as a whole, but they were sensitive to her body and face orientation separately. These results suggest that body and face orientation encode two different types of information. Whereas face orientation encodes the observer's perceptual access, body orientation encodes the observer's disposition to transfer food. In contrast to the results on body and face orientation, only two of the tested subjects responded to the state of the observer's eyes. |
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Max Planck Institute for Evolutionary Anthropology, Deutscher Plaz 6, 04103 Leipzig, Germany. kaminski@eva.mpg.de |
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1435-9448 |
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PMID:15034765 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2538 |
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Author |
Swartz, K.B. |
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Title |
What is mirror self-recognition in nonhuman primates, and what is it not? |
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Journal Article |
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Year |
1997 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
818 |
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Pages |
64-71 |
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Keywords |
Animals; *Awareness; *Behavior, Animal; *Ego; Primates/*psychology |
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Department of Psychology, Lehman College of the City University of New York, Bronx 10468, USA |
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0077-8923 |
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PMID:9237465 |
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Equine Behaviour @ team @ |
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4135 |
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Author |
Mills, D.S. |
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Title |
Comments about the importance of behaviour to equine clinicians |
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Journal Article |
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Year |
2007 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
39 |
Issue |
1 |
Pages |
95 |
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Keywords |
Animals; *Behavior, Animal/physiology; *Clinical Competence; Horses/*physiology; Humans; Veterinarians/*psychology; Veterinary Medicine/*standards |
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0425-1644 |
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PMID:17228604 |
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1839 |
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Author |
Robertson, S. |
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Title |
The importance of assessing pain in horses and donkeys |
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Journal Article |
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Year |
2006 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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38 |
Issue |
1 |
Pages |
5-6 |
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Keywords |
Animals; *Behavior, Animal/physiology; Equidae/*physiology; Horses/physiology; Pain/diagnosis/prevention & control/*veterinary; Pain Measurement/methods/*veterinary; Veterinary Medicine/*methods |
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Section of Anaesthesia and Pain Management, College of Veterinary of Medicine, University of Florida, Gainesville 32610-0136, USA |
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0425-1644 |
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PMID:16411578 |
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no |
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Serial |
1881 |
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Author |
Pennisi, E. |
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Title |
Animal cognition. Social animals prove their smarts |
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Year |
2006 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
312 |
Issue |
5781 |
Pages |
1734-1738 |
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Keywords |
Animals; *Behavior, Animal; *Birds; *Cognition; Comprehension; Cues; Food; Hominidae/*psychology; *Intelligence; Learning; Memory; *Social Behavior |
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1095-9203 |
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PMID:16794055 |
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no |
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Equine Behaviour @ team @ |
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2836 |
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Author |
Shaw, E.B.; Houpt, K.A.; Holmes, D.F. |
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Title |
Body temperature and behaviour of mares during the last two weeks of pregnancy |
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Journal Article |
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Year |
1988 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
20 |
Issue |
3 |
Pages |
199-202 |
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Keywords |
Animals; *Behavior, Animal; *Body Temperature; Circadian Rhythm; Eating; Female; Horses/*physiology; Labor, Obstetric/*physiology; Motor Activity; Pregnancy; Pregnancy, Animal/*physiology |
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Abstract |
Average daily core body temperature and behavioural patterns of pregnant mares were studied, in search of definitive signs of parturition within 24 h of the event. Nineteen pony mares were sampled twice daily for core body temperature. A significant temperature drop, averaging 0.1 degrees C (0.2 degrees F) was observed during the day prior to parturition. Between 18.00 h and 06.00 h, during the two weeks before parturition, Thoroughbred and Standardbred mares (n = 52) spent an average 66.8 per cent of their time standing, 27.0 per cent eating, 4.9 per cent lying in sternal recumbency, 1.0 per cent lying in lateral recumbency, and 0.3 per cent walking. On the night before parturition, mares spent significantly less time lying in sternal recumbency than on previous nights and on the night of parturition all behaviour patterns except eating were significantly different from the nights of the two weeks before parturition. There was an increase in walking (5.3 per cent), lying in sternal recumbency (8 per cent) and lying in lateral recumbency (5.3 per cent) whereas standing (53.3 per cent) was decreased. In 58 observed pregnancies, 54 mares (97 per cent) foaled in a recumbent position and 50 mares (86 per cent) foaled between 18.00 h and 06.00 h. |
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Department of Physiology, New York State College of Veterinary Medicine, Cornell University, Ithaca 14853 |
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0425-1644 |
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PMID:3402416 |
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refbase @ user @ |
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46 |
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Author |
Nocera, J.J.; Forbes, G.J.; Giraldeau, L.-A. |
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Title |
Inadvertent social information in breeding site selection of natal dispersing birds |
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Journal Article |
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Year |
2006 |
Publication |
Proceedings. Biological Sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
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Volume |
273 |
Issue |
1584 |
Pages |
349-355 |
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Keywords |
Animals; *Behavior, Animal; *Breeding; *Environment; Female; Logistic Models; Male; Songbirds/growth & development/*physiology |
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Abstract |
Several species use the number of young produced as public information (PI) to assess breeding site quality. PI is inaccessible for synchronously breeding birds because nests are empty by the time the young can collect this information. We investigate if location cues are the next best source of inadvertent social information (ISI) used by young prospectors during breeding site choice. We experimentally deployed ISI as decoys and song playbacks of breeding males in suitable and sub-optimal habitats during pre- and post-breeding periods, and monitored territory establishment during the subsequent breeding season for a social, bobolink (Dolichonyx oryzivorus), and a more solitary species, Nelson's sharp-tailed sparrow (Ammodramus nelsoni). The sparrows did not respond to treatments, but bobolinks responded strongly to post-breeding location cues, irrespective of habitat quality. The following year, 17/20 sub-optimal plots to which bobolink males were recruited were defended for at least two weeks, indicating that song heard the previous year could exert a “carry-over attraction” effect on conspecifics the following year. Sixteen recruited males were natal dispersers, as expected when animals have little opportunity to directly sample their natal habitat quality. We suggest that differences in breeding synchronicity may induce an equivalent clinal distribution of ISI use. |
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Department of Biology, University of New Brunswick, Bag Service #45111, Fredericton, NB E3B 6E1, Canada. j.nocera@unb.ca |
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0962-8452 |
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PMID:16543178 |
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2129 |
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Author |
Martin, T.I.; Zentall, T.R. |
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Title |
Post-choice information processing by pigeons |
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Journal Article |
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Year |
2005 |
Publication |
Animal cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
8 |
Issue |
4 |
Pages |
273-278 |
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Keywords |
Animals; *Behavior, Animal; *Choice Behavior; *Columbidae; Discrimination Learning |
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Abstract |
In a conditional discrimination (matching-to-sample), a sample is followed by two comparison stimuli, one of which is correct, depending on the sample. Evidence from previous research suggests that if the stimulus display is maintained following an incorrect response (the so-called penalty-time procedure), acquisition by pigeons is facilitated. The present research tested the hypothesis that the penalty-time procedure allows the pigeons to review and learn from the maintained stimulus display following an incorrect choice. It did so by including a penalty-time group for which, following an incorrect choice, the sample changed to match the incorrect comparison, thus providing the pigeons with post-choice 'misinformation.' This misinformation group acquired the matching task significantly slower than the standard penalty-time group (that had no change in the sample following an error). Furthermore, acquisition of matching by a control group that received no penalty time fell midway between the other two groups, suggesting that the pigeons did not merely take more care in making choices because of the aversiveness of penalty-time. Thus, it appears that in the acquisition of matching-to-sample, when the stimulus display is maintained following an incorrect choice, the pigeons can review or acquire information from the display. This is the first time that such an effect has been reported for a nonhuman species. |
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Address |
Department of Psychology, University of Kentucky, Lexington, KY 40506, USA |
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1435-9448 |
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PMID:15744507 |
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Call Number |
refbase @ user @ |
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225 |
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Permanent link to this record |
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Author |
Friedrich, A.M.; Zentall, T.R. |
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Title |
Pigeons shift their preference toward locations of food that take more effort to obtain |
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Journal Article |
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Year |
2004 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
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Volume |
67 |
Issue |
3 |
Pages |
405-415 |
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Keywords |
Animals; *Behavior, Animal; *Choice Behavior; Columbidae; *Exertion; *Feeding Behavior; Reward |
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Abstract |
Although animals typically prefer to exert less effort rather than more effort to obtain food, the present research shows that requiring greater effort to obtain food at a particular location appears to increase the value of that location. In Experiment 1, pigeons' initial preference for one feeder was significantly reduced by requiring 1 peck to obtain food from that feeder and requiring 30 pecks to obtain food from the other feeder. In Experiment 2, a similar decrease in preference was not found when pigeons received reinforcement from both feeders independently of the amount of effort required. These results are consistent with the within-trial contrast effect proposed by in which the relative hedonic value of a reward depends on the state of the animal immediately prior to the reward. The greater the improvement from that prior state the greater the value of the reinforcer. |
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Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA |
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0376-6357 |
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PMID:15518990 |
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Call Number |
refbase @ user @ |
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227 |
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