| Records |
| Author |
Hinson, R.E. |
| Title |
Effects of UCS preexposure on excitatory and inhibitory rabbit eyelid conditioning: an associative effect of conditioned contextual stimuli |
Type |
Journal Article |
| Year |
1982 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
8 |
Issue |
1 |
Pages  |
49-61 |
| Keywords |
Animals; Association Learning; Cognition; *Conditioning, Eyelid; *Inhibition (Psychology); Practice (Psychology); Rabbits; Reaction Time |
| Abstract |
Preconditioning experience with the unconditional stimulus (UCS) retards subsequent excitatory conditioning. Three experiments demonstrated that this UCS retardation effect is attenuated by associative manipulations of contextual stimuli of the UCS preexposure environment. The UCS retardation effect was reduced by (a) altering contextual stimuli between preexposure and conditioning (Experiment 1), (b) latently inhibiting contextual stimuli prior to UCS preexposure (Experiment 2), and (c) extinguishing contextual stimuli subsequent to UCS preexposure (Experiment 3). Although UCS preexposure retarded excitatory conditioning, the results of Experiment 4 demonstrated that UCS preexposure facilitated inhibitory conditioning. These results indicate that an association between contextual stimuli and the preexposed UCS contributes to the effects of preconditioning UCS experience on subsequent learning. |
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0097-7403 |
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PMID:7057144 |
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Equine Behaviour @ team @ |
Serial |
2787 |
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| Author |
Whiten, A. |
| Title |
The second inheritance system of chimpanzees and humans |
Type |
Journal Article |
| Year |
2005 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
437 |
Issue |
7055 |
Pages |
52-55 |
| Keywords |
Animals; Animals, Wild/physiology/psychology; Behavior, Animal/*physiology; *Culture; Female; Humans; Imitative Behavior; Learning/*physiology; Pan troglodytes/*physiology/psychology; *Social Behavior; Technology |
| Abstract |
Half a century of dedicated field research has brought us from ignorance of our closest relatives to the discovery that chimpanzee communities resemble human cultures in possessing suites of local traditions that uniquely identify them. The collaborative effort required to establish this picture parallels the one set up to sequence the chimpanzee genome, and has revealed a complex social inheritance system that complements the genetic picture we are now developing. |
| Address |
Centre for Social Learning and Cognitive Evolution, and Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, Fife KY16 9JP, UK. a.whiten@st-and.ac.uk |
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1476-4687 |
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PMID:16136127 |
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no |
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refbase @ user @ |
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730 |
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| Author |
Barnard, C.J.; Luo, N. |
| Title |
Acquisition of dominance status affects maze learning in mice |
Type |
Journal Article |
| Year |
2002 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
60 |
Issue |
1 |
Pages |
53-59 |
| Keywords |
Social status; Learning; Radial maze; Mouse |
| Abstract |
Learning is likely to be costly and thus subject to trade-off with other components of life history. An obvious prediction, therefore, is that investment in learning, and thus learning performance, will vary with individual life history strategy and the reproductive value of the learning outcome. We tested this idea in the context of social dominance in male laboratory mice, using a simple radial maze paradigm to compare the ability of high- and low-ranking male mice to track changing food location. We tested animals in randomly selected pairs before and after establishing aggressive rank relationships to distinguish intrinsic differences in learning ability from those attributable to acquiring high or low rank. There was no difference in learning between later dominants and subordinates prior to establishing rank relationships. After pairing, however, dominants showed a significantly greater percentage of correct responses, with the difference being greatest earlier in a sequence of trials. The percentage of correct responses also increased with the amount of aggression initiated during pairing. The results thus appeared to reflect a state-dependent change in learning associated with the aggressive social relationships formed during pairing. |
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2075 |
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| Author |
Bovet, D.; Vauclair, J.; Blaye, A. |
| Title |
Categorization and abstraction abilities in 3-year-old children: a comparison with monkey data |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
1 |
Pages |
53-59 |
| Keywords |
Animals; Child Development; Child, Preschool; *Classification; *Concept Formation; *Discrimination Learning; Female; *Form Perception; Humans; Male; Papio; Pattern Recognition, Visual; *Problem Solving; Species Specificity |
| Abstract |
Three-year-old children were tested on three categorization tasks of increasing levels of abstraction (used with adult baboons in an earlier study): the first was a conceptual categorization task (food vs toys), the second a perceptual matching task (same vs different objects), and the third a relational matching task in which the children had to sort pairs according to whether or not the two items belonged to the same or different categories. The children were tested using two different procedures, the first a replication of the procedure used with the baboons (pulling one rope for a category or a relationship between two objects, and another rope for the other category or relationship), the second a task based upon children's prior experiences with sorting objects (putting in the same box objects belonging to the same category or a pair of objects exemplifying the same relation). The children were able to solve the first task (conceptual categorization) when tested with the sorting into boxes procedure, and the second task (perceptual matching) when tested with both procedures. The children were able to master the third task (relational matching) only when the rules were clearly explained to them, but not when they could only watch sorting examples. In fact, the relational matching task without explanation requires analogy abilities that do not seem to be fully developed at 3 years of age. The discrepancies in performances between children tested with the two procedures, with the task explained or not, and the discrepancies observed between children and baboons are discussed in relation to differences between species and/or problem-solving strategies. |
| Address |
Center for Research in Psychology of Cognition, Language and Emotion, Universite de Provence, Aix-en-Provence, France. dbovet@u-paris10.fr |
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1435-9448 |
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PMID:15300466 |
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no |
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Equine Behaviour @ team @ |
Serial |
2516 |
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| Author |
Pepperberg, I.M. |
| Title |
In search of king Solomon's ring: cognitive and communicative studies of Grey parrots (Psittacus erithacus) |
Type |
Journal Article |
| Year |
2002 |
Publication |
Brain, behavior and evolution |
Abbreviated Journal |
Brain Behav Evol |
| Volume |
59 |
Issue |
1-2 |
Pages |
54-67 |
| Keywords |
*Animal Communication; Animals; Attention/physiology; Cognition/*physiology; Cues; Form Perception/physiology; Humans; Intelligence; Learning/physiology; Male; Models, Psychological; Parrots/*physiology; Psychomotor Performance/physiology; Reward; Social Behavior |
| Abstract |
During the past 24 years, I have used a modeling technique (M/R procedure) to train Grey parrots to use an allospecific code (English speech) referentially; I then use the code to test their cognitive abilities. The oldest bird, Alex, labels more than 50 different objects, 7 colors, 5 shapes, quantities to 6, 3 categories (color, shape, material) and uses 'no', 'come here', wanna go X' and 'want Y' (X and Y are appropriate location or item labels). He combines labels to identify, request, comment upon or refuse more than 100 items and to alter his environment. He processes queries to judge category, relative size, quantity, presence or absence of similarity/difference in attributes, and show label comprehension. He semantically separates labeling from requesting. He thus exhibits capacities once presumed limited to humans or nonhuman primates. Studies on this and other Greys show that parrots given training that lacks some aspect of input present in M/R protocols (reference, functionality, social interaction) fail to acquire referential English speech. Examining how input affects the extent to which parrots acquire an allospecific code may elucidate mechanisms of other forms of exceptional learning: learning unlikely in the normal course of development but that can occur under certain conditions. |
| Address |
The MIT Media Lab, Cambridge, Mass. 02139, USA. impepper@media.mit.edu |
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0006-8977 |
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| Notes |
PMID:12097860 |
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no |
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refbase @ user @ |
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579 |
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| Author |
Rizzolatti, G.; Fogassi, L.; Gallese, V. |
| Title |
Mirrors of the mind |
Type |
Journal Article |
| Year |
2006 |
Publication |
Scientific American |
Abbreviated Journal |
Sci Am |
| Volume |
295 |
Issue |
5 |
Pages |
54-61 |
| Keywords |
Animals; Brain/*physiology; Cognition/*physiology; Discrimination (Psychology)/physiology; Emotions/physiology; Humans; Imitative Behavior; Learning/*physiology; Mental Processes/*physiology; Motor Activity/physiology; Neurons/physiology; Recognition (Psychology); Sensation/physiology |
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Neurosciences Department, University of Parma, Italy |
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0036-8733 |
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PMID:17076084 |
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no |
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Equine Behaviour @ team @ |
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2829 |
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| Author |
Nicol, C.J. |
| Title |
How animals learn from each other |
Type |
Journal Article |
| Year |
2006 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
100 |
Issue |
1-2 |
Pages |
58-63 |
| Keywords |
Social learning; Chickens; Demonstrators; Dominance |
| Abstract |
This paper explores ways by which animals may learn from one another, using examples drawn mostly from the chicken, an animal for which social learning is likely to be less dangerous than individual learning. In early life, the behaviour of the hen is important in encouraging chicks to peck at edible items. Maternal display not only attracts chicks to profitable food items, but also redirects their attention away from harmful or non-profitable items. Older chicks can enhance their foraging success by observing the behaviour of conspecifics within their own social group. Hens have been trained to perform a novel behaviour (key-pecking for food) by observation of a trained demonstrator bird. Moreover, observers learnt most from watching dominant demonstrators. Thus the ability to learn from others is not `fixed', but depends on the context and the social identity of both the observer and the demonstrator. |
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refbase @ user @ |
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564 |
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Langbein, J.; Nurnberg, G.; Puppe, B.; Manteuffel, G. |
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Self-Controlled Visual Discrimination Learning of Group-Housed Dwarf Goats (Capra hircus): Behavioral Strategies and Effects of Relocation on Learning and Memory |
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Journal Article |
| Year |
2006 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
| Volume |
120 |
Issue |
1 |
Pages |
58-66 |
| Keywords |
dwarf goats; visual discrimination; operant learning; learning strategies; context |
| Abstract |
In most studies on animal learning, individual animals are tested separately in a specific learning environment and with a limited number of trials per day. An alternative approach is to test animals in a familiar environment in their social group. In this study, the authors--applying a fully automated learning device--investigated voluntary, self-controlled visual shape discrimination learning of group-housed dwarf goats (Capra hircus). The majority of the tested goats showed successful shape discrimination, which indicates the adaptive value of an effective learning strategy. However, in each group, a few individual goats developed behavioral strategies different from shape discrimination to get reward. Relocation impairs memory retrieval (probably by attention shifting) only temporarily for previously learnt shapes. The results demonstrate the usefulness of a self-controlled learning paradigm to assess learning abilities of social species in their normal social settings. This may be especially relevant for captive animals to improve their welfare. |
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2140 |
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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. |
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Evolutionary Psychology Research Group, School of Biological Sciences, Biosciences Building, University of Liverpool, Liverpool, L69 7ZB, UK |
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1435-9448 |
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PMID:15322943 |
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no |
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Equine Behaviour @ team @ |
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2514 |
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Vlamings, P.H.J.M.; Uher, J.; Call, J. |
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How the great apes (Pan troglodytes, Pongo pygmaeus, Pan paniscus, and Gorilla gorilla) perform on the reversed contingency task: the effects of food quantity and food visibility |
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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 |
60-70 |
| Keywords |
Age Factors; Animals; Behavior, Animal/physiology; Cognition; Conditioning (Psychology); Female; *Food; Gorilla gorilla/*psychology; *Learning; Male; Pan paniscus/*psychology; Pan troglodytes/*psychology; Pongo pygmaeus/*psychology; *Visual Perception |
| Abstract |
S. T. Boysen and G. G. Berntson (1995) found that chimpanzees performed poorly on a reversed contingency task in which they had to point to the smaller of 2 food quantities to acquire the larger quantity. The authors compared the performance of 4 great ape species (Pan troglodytes, Pongo pygmaeus, Pan paniscus, and Gorilla gorilla) on the reversed contingency task while manipulating food quantity (0-4 or 1-4) and food visibility (visible pairs or covered pairs). Results showed no systematic species differences but large individual differences. Some individuals of each species were able to solve the reversed contingency task. Both quantity and visibility of the food items had a significant effect on performance. Subjects performed better when the disparity between quantities was smaller and the quantities were not directly visible. |
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Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. p.vlamings@psychology.unimaas.nl |
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0097-7403 |
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PMID:16435965 |
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Equine Behaviour @ team @ |
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2765 |
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