| Records |
| Author |
de Waal, F.B.M.; Luttrell, L.M. |
| Title |
Mechanisms of social reciprocity in three primate species: Symmetrical relationship characteristics or cognition? |
Type |
Journal Article |
Year  |
1988 |
Publication |
Ethology and Sociobiology |
Abbreviated Journal |
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| Volume |
9 |
Issue |
2–4 |
Pages |
101-118 |
| Keywords |
Reciprocity; Agonistic intervention; Cognition; Chimpanzees; Macaques |
| Abstract |
Agonistic intervention behavior was observed in captive groups of chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), and stumptail monkeys (M. arctoides). Reciprocity correlations of interventions were determined while removing from the data the effects of several symmetrical relationship characteristics, that is, matrillineal kinship, proximity relations, and same-sex combination. It was considered likely that if significant reciprocity persisted after controlling for these characteristics, the reciprocity was based on cognitive mechanisms. Statistical significance was tested by means of recently developed matrix permutation procedures. All three species exhibited significant reciprocity with regard to beneficial interventions, even after controlling for symmetrical traits. Harmful interventions were, however, reciprocal among chimpanzees only. This species showed a “revenge system”, that is, if A often intervened against B, B did the same to A. In contrast, both macaque species showed significantly inversed reciprocity in their harmful interventions: if A often intervened against B, B rarely intervened against A. Further analysis indicates that the strict hierarchy of macaques prevents them from achieving complete reciprocity. Compared to chimpanzees, macaques rarely intervene against higher ranking group members. The observed contrast can be partially explained on the basis of differences in available space, as indicated by a comparison of indoor and outdoor living conditions for the chimpanzee colony. Yet, even when such spatial factors are taken into account, substantial behavior differences between chimpanzees and macaques remain. |
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| ISSN |
0162-3095 |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
5809 |
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| Author |
Kaplan, A.I.; Borodovskii, M.I. |
| Title |
[Alternative animal behavior: a model and its statistical characteristics] |
Type |
Journal Article |
| Year |
1989 |
Publication |
Nauchnye Doklady Vysshei Shkoly. Biologicheskie Nauki |
Abbreviated Journal |
Nauchnye Doki Vyss Shkoly Biol Nauki |
| Volume |
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Issue |
3 |
Pages |
29-32 |
| Keywords |
Animals; *Behavior, Animal; Cognition; Male; Mathematics; *Models, Biological; *Models, Statistical; Rats; Reinforcement (Psychology) |
| Abstract |
The rats' alternative behaviour in T-maze at simultaneous two-sided food refreshment in 13 trials a day during 6 days has been studied. It has been found that in the first testing days the indexes of alternative behaviour of animals correspond to the characteristics of the random alternation. However, on the 5-6th day of testing in the overwhelming majority of rats the true deviation of alternation index above or below than the theoretical values has been revealed. A question on the existence of two strategies of cognitive behaviour alteration and perseveration in rat population is under discussion. |
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Russian |
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Original Title |
Al'ternativnoe povedenie zhivotnykh: model' i statisticheskie kharakteristiki |
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Edition |
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| ISSN |
0470-4606 |
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| Notes |
PMID:2742929 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2799 |
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| Author |
Galdikas, B.M. |
| Title |
Orangutan tool use |
Type |
Journal Article |
| Year |
1989 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
243 |
Issue |
4888 |
Pages |
152 |
| Keywords |
Animals; Animals, Wild; *Behavior, Animal; Cognition; *Hominidae; Humans; *Pongo pygmaeus |
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English |
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| ISSN |
0036-8075 |
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| Notes |
PMID:2911726 |
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no |
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Equine Behaviour @ team @ |
Serial |
2847 |
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| Author |
Dougherty, D.M.; Lewis, P. |
| Title |
Stimulus generalization, discrimination learning, and peak shift in horses |
Type |
Journal Article |
| Year |
1991 |
Publication |
Journal of the experimental analysis of behavior |
Abbreviated Journal |
J Exp Anal Behav |
| Volume |
56 |
Issue |
1 |
Pages |
97-104 |
| Keywords |
Animals; *Appetitive Behavior; Attention; *Conditioning, Operant; *Discrimination Learning; Female; *Generalization, Stimulus; Horses/*psychology; Male; *Pattern Recognition, Visual; Size Perception |
| Abstract |
Using horses, we investigated three aspects of the stimulus control of lever-pressing behavior: stimulus generalization, discrimination learning, and peak shift. Nine solid black circles, ranging in size from 0.5 in. to 4.5 in. (1.3 cm to 11.4 cm) served as stimuli. Each horse was shaped, using successive approximations, to press a rat lever with its lip in the presence of a positive stimulus, the 2.5-in. (6.4-cm) circle. Shaping proceeded quickly and was comparable to that of other laboratory organisms. After responding was maintained on a variable-interval 30-s schedule, stimulus generalization gradients were collected from 2 horses prior to discrimination training. During discrimination training, grain followed lever presses in the presence of a positive stimulus (a 2.5-in circle) and never followed lever presses in the presence of a negative stimulus (a 1.5-in. [3.8-cm] circle). Three horses met a criterion of zero responses to the negative stimulus in fewer than 15 sessions. Horses given stimulus generalization testing prior to discrimination training produced symmetrical gradients; horses given discrimination training prior to generalization testing produced asymmetrical gradients. The peak of these gradients shifted away from the negative stimulus. These results are consistent with discrimination, stimulus generalization, and peak-shift phenomena observed in other organisms. |
| Address |
Department of Psychology, Ohio University, Athens 45701 |
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English |
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| ISSN |
0022-5002 |
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| Notes |
PMID:1940765 |
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no |
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Serial |
1764 |
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| Author |
Duncan, I.J.; Petherick, J.C. |
| Title |
The implications of cognitive processes for animal welfare |
Type |
Journal Article |
| Year |
1991 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
69 |
Issue |
12 |
Pages |
5017-5022 |
| Keywords |
*Animal Welfare; Animals; Animals, Domestic/*psychology; *Cognition |
| Abstract |
In general, codes that have been designed to safeguard the welfare of animals emphasize the importance of providing an environment that will ensure good health and a normal physiological and physical state, that is, they emphasize the animals' physical needs. If mental needs are mentioned, they are always relegated to secondary importance. The argument is put forward here that animal welfare is dependent solely on the cognitive needs of the animals concerned. In general, if these cognitive needs are met, they will protect the animals' physical needs. It is contended that in the few cases in which they do not safeguard the physical needs, it does not matter from a welfare point of view. The human example is given of being ill. It is argued that welfare is only adversely affected when a person feels ill, knows that he or she is ill, or even thinks that he or she is ill, all of which processes are cognitive ones. The implications for welfare of animals possessing certain cognitive abilities are discussed. For example, the extent to which animals are aware of their internal state while performing behavior known to be indicative of so-called states of suffering, such as fear, frustration, and pain, will determine how much they are actually suffering. With careful experimentation it may be possible to determine how negative they feel these states to be. Similarly, the extent to which animals think about items or events absent from their immediate environment will determine how frustrated they are in the absence of the real item or event but in the presence of the cognitive representation. |
| Address |
University of Guelph, Canada |
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English |
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| ISSN |
0021-8812 |
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| Notes |
PMID:1808195 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2753 |
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| Author |
Curtis, S.E.; Stricklin, W.R. |
| Title |
The importance of animal cognition in agricultural animal production systems: an overview |
Type |
Journal Article |
| Year |
1991 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
69 |
Issue |
12 |
Pages |
5001-5007 |
| Keywords |
*Agriculture; Animal Population Groups/*psychology; *Animal Welfare; Animals; *Behavior, Animal; *Cognition; Heat; Helplessness, Learned; Housing, Animal/standards; Immobilization; Nesting Behavior; Pain/psychology/veterinary |
| Abstract |
To describe and then fulfill agricultural animals' needs, we must learn more about their fundamental psychological and behavioral processes. How does this animal feel? Is that animal suffering? Will we ever be able to know these things? Scientists specializing in animal cognition say that there are numerous problems but that they can be overcome. Recognition by scientists of the notion of animal awareness has been increasing in recent years, because of the work of Griffin and others. Feeling, thinking, remembering, and imagining are cognitive processes that are factors in the economic and humane production of agricultural animals. It has been observed that the animal welfare debate depends on two controversial questions: Do animals have subjective feelings? If they do, can we find indicators that reveal them? Here, indirect behavioral analysis approaches must be taken. Moreover, the linear additivity of several stressor effects on a variety of animal traits suggests that some single phenomenon is acting as a “clearinghouse” for many or all of the stresses acting on an animal at any given time, and this phenomenon might be psychological stress. Specific situations animals may encounter in agricultural production settings are discussed with respect to the animals' subjective feelings. |
| Address |
University of Illinois, Urbana 61801 |
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English |
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0021-8812 |
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Conference |
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| Notes |
PMID:1808193 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2754 |
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| Author |
Real, L.A. |
| Title |
Animal choice behavior and the evolution of cognitive architecture |
Type |
Journal Article |
| Year |
1991 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
253 |
Issue |
5023 |
Pages |
980-986 |
| Keywords |
Animals; Bees/genetics/*physiology; Biomechanics; *Choice Behavior; *Cognition; *Evolution; Mathematics; Models, Genetic; Probability |
| Abstract |
Animals process sensory information according to specific computational rules and, subsequently, form representations of their environments that form the basis for decisions and choices. The specific computational rules used by organisms will often be evolutionarily adaptive by generating higher probabilities of survival, reproduction, and resource acquisition. Experiments with enclosed colonies of bumblebees constrained to foraging on artificial flowers suggest that the bumblebee's cognitive architecture is designed to efficiently exploit floral resources from spatially structured environments given limits on memory and the neuronal processing of information. A non-linear relationship between the biomechanics of nectar extraction and rates of net energetic gain by individual bees may account for sensitivities to both the arithmetic mean and variance in reward distributions in flowers. Heuristic rules that lead to efficient resource exploitation may also lead to subjective misperception of likelihoods. Subjective probability formation may then be viewed as a problem in pattern recognition subject to specific sampling schemes and memory constraints. |
| Address |
Department of Biology, University of North Carolina, Chapel Hill 27599-3280 |
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English |
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0036-8075 |
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| Notes |
PMID:1887231 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2846 |
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| Author |
Petherick, J.C.; Waddington, D.; Duncan, I.J.H. |
| Title |
Learning to gain access to a foraging and dustbathing substrate by domestic fowl: is `out of sight out of mind'? |
Type |
Journal Article |
| Year |
1991 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
22 |
Issue |
3 |
Pages |
213-226 |
| Keywords |
Domestic fowl; Dustbathing; Welfare; Learning; Cognition |
| Abstract |
Domestic fowl were deprived of the opportunity to perform litter-related behaviour for three or four days and were tested in a Y-maze (which they had previously been trained to run) for their ability to associate a coloured cue with gaining access to peat. When the goal boxes were within sight of the choice point, most birds chose peat. However, when the birds had to rely solely on the coloured cue only one bird from 12 showed learning. However, the birds seemed to have some expectation of a reward, as they ran faster if, on the previous trial, they had chosen peat. The inability of the birds to learn the association may have been an artefact of the schedule of deprivation and testing, for when they were hungry and tested in the same way they were again unable to learn an association between the same coloured cue and food reward. The experiment with peat was repeated using “massed” trials (several trials in immediate succession) during training and testing and six from 15 birds showed learning. These results suggest that the initial failure to learn was probably due to the training and testing schedule, that access to peat appears to be rewarding and that hens can learn an association between an abstract cue and a rewarding consequence. This is consistent with the possibility that domestic fowls may have some cognitive representation of peat when it is out of sight. |
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no |
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Equine Behaviour @ team @ |
Serial |
3609 |
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| Author |
Urcuioli, P.J.; Zentall, T.R. |
| Title |
Transfer across delayed discriminations: evidence regarding the nature of prospective working memory |
Type |
Journal Article |
| Year |
1992 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
18 |
Issue |
2 |
Pages |
154-173 |
| Keywords |
Animals; *Appetitive Behavior; Attention; *Color Perception; Columbidae; *Discrimination Learning; *Mental Recall; *Pattern Recognition, Visual; Problem Solving; Retention (Psychology); *Transfer (Psychology) |
| Abstract |
Pigeons were trained successively either on 2 delayed simple discriminations or on a delayed simple discrimination followed by delayed matching-to-sample. During subsequent transfer tests, the initial stimuli from the 1st task were substituted for those in the 2nd. Performances transferred immediately if both sets of initial stimuli had been associated with the presence versus absence of food on their respective retention tests, and the direction of transfer (positive or negative) depended on whether the substitution involved stimuli with identical or different outcome associates. No transfer was found, however, when the initial stimuli were associated with different patterns of responding but food occurred at the end of every trial. These results are consistent with outcome expectancy mediation but are incompatible with response intention and retrospective coding accounts. |
| Address |
Department of Psychological Sciences, Purdue University, West Lafayette, Indiana 47907-1364 |
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English |
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Edition |
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| ISSN |
0097-7403 |
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| Notes |
PMID:1583445 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
260 |
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| Author |
Roper, K.L.; Zentall, T.R. |
| Title |
Directed forgetting in animals |
Type |
Journal Article |
| Year |
1993 |
Publication |
Psychological bulletin |
Abbreviated Journal |
Psychol Bull |
| Volume |
113 |
Issue |
3 |
Pages |
513-532 |
| Keywords |
Animals; Behavior, Animal; *Cognition; Columbidae; Conditioning (Psychology); Discrimination Learning; Female; Humans; Male; Memory Disorders/*psychology; Reinforcement (Psychology); Task Performance and Analysis |
| Abstract |
Directed-forgetting research with animals suggests that animals show disrupted test performance only under certain conditions. Important variables are (a) whether during training, the cue to forget (F cue) signals nonreward (i.e., that the trial is over) versus reward (i.e., that reinforcement can be obtained) and (b) given that reinforcement can be obtained on F-cue trials, whether the post-F-cue response pattern is compatible with the baseline memory task. It is proposed that some findings of directed forgetting can be attributed to trained response biases, whereas others may be attributable perhaps to frustration-produced interference. It is suggested that directed forgetting in animals should be studied using procedures similar to those used to study directed forgetting in humans. This can be accomplished by presenting, within a trial, both to-be-remembered and to-be-forgotten material. |
| Address |
Department of Psychology, University of Kentucky, Lexington 40506 |
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English |
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| ISSN |
0033-2909 |
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| Notes |
PMID:8316612 |
Approved |
no |
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refbase @ user @ |
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259 |
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