Records |
Author |
Branchi, I.; Bichler, Z.; Berger-Sweeney, J.; Ricceri, L. |
Title |
Animal models of mental retardation: from gene to cognitive function |
Type |
Journal Article |
Year |
2003 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
Volume |
27 |
Issue |
1-2 |
Pages |
141-153 |
Keywords |
Animals; Animals, Genetically Modified/growth & development; Behavior/physiology; Behavior, Animal; Brain/*growth & development; Cognition/*physiology; *Disease Models, Animal; Environment; Genes; Genetic Diseases, Inborn/physiopathology; Humans; Mental Retardation/classification/*genetics/*physiopathology |
Abstract |
About 2-3% of all children are affected by mental retardation, and genetic conditions rank among the leading causes of mental retardation. Alterations in the information encoded by genes that regulate critical steps of brain development can disrupt the normal course of development, and have profound consequences on mental processes. Genetically modified mouse models have helped to elucidate the contribution of specific gene alterations and gene-environment interactions to the phenotype of several forms of mental retardation. Mouse models of several neurodevelopmental pathologies, such as Down and Rett syndromes and X-linked forms of mental retardation, have been developed. Because behavior is the ultimate output of brain, behavioral phenotyping of these models provides functional information that may not be detectable using molecular, cellular or histological evaluations. In particular, the study of ontogeny of behavior is recommended in mouse models of disorders having a developmental onset. Identifying the role of specific genes in neuropathologies provides a framework in which to understand key stages of human brain development, and provides a target for potential therapeutic intervention. |
Address |
Section of Behavioural Pathophysiology, Laboratorio di Fisiopatologia di Organo e di Sistema, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Roma, Italy. branchi@iss.it |
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0149-7634 |
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PMID:12732230 |
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no |
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Equine Behaviour @ team @ |
Serial |
2805 |
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Author |
Marino, L. |
Title |
Convergence of complex cognitive abilities in cetaceans and primates |
Type |
Journal Article |
Year |
2002 |
Publication |
Brain, Behavior and Evolution |
Abbreviated Journal |
Brain Behav Evol |
Volume |
59 |
Issue |
1-2 |
Pages |
21-32 |
Keywords |
Animal Communication; Animals; Brain/physiology; Cerebral Cortex/physiology; Cetacea/*physiology; Cognition/*physiology; *Evolution; Humans; Intelligence; Primates/*physiology |
Abstract |
What examples of convergence in higher-level complex cognitive characteristics exist in the animal kingdom? In this paper I will provide evidence that convergent intelligence has occurred in two distantly related mammalian taxa. One of these is the order Cetacea (dolphins, whales and porpoises) and the other is our own order Primates, and in particular the suborder anthropoid primates (monkeys, apes, and humans). Despite a deep evolutionary divergence, adaptation to physically dissimilar environments, and very different neuroanatomical organization, some primates and cetaceans show striking convergence in social behavior, artificial 'language' comprehension, and self-recognition ability. Taken together, these findings have important implications for understanding the generality and specificity of those processes that underlie cognition in different species and the nature of the evolution of intelligence. |
Address |
Neuroscience and Behavioral Biology Program, Emory University, Atlanta, Ga. 30322, USA. lmarino@emory.edu |
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English |
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ISSN |
0006-8977 |
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PMID:12097858 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4158 |
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Author |
Broom, D.M. |
Title |
Cognitive ability and awareness in domestic animals and decisions about obligations to animals |
Type |
Journal Article |
Year |
2010 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
126 |
Issue |
1-2 |
Pages |
1-11 |
Keywords |
Cognition; Awareness; Self-awareness; Feelings; Emotions; Cognitive bias; Sentience; Welfare; Domestic animals |
Abstract |
Observation of behaviour, especially social behaviour, and experimental studies of learning and brain function give us information about the complexity of concepts that animals have. In order to learn to obtain a resource or carry out an action, domestic animals may: relate stimuli such as human words to the reward, perform sequences of actions including navigation or detours, discriminate amongst other individuals, copy the actions of other individuals, distinguish between individuals who do or do not have information, or communicate so as to cause humans or other animals to carry out actions. Some parrots, that are accustomed to humans but not domesticated, can use words to have specific meanings. In some cases, stimuli, individuals or actions are remembered for days, weeks or years. Events likely to occur in the future may be predicted and changes over time taken into account. Scientific evidence for the needs of animals depends, in part, on studies assessing motivational strength whose methodology depends on the cognitive ability of the animals. Recognition and learning may be associated with changes in physiology, behaviour and positive or negative feelings. Learning and other complex behaviour can result in affect and affect can alter cognition. The demonstration of cognitive bias gives indications about affect and welfare but should be interpreted in the light of other information. All of the information mentioned so far helps to provide evidence about sentience and the level of awareness. The term sentience implies a range of abilities, not just the capacity to have some feelings. The reluctance of scientists to attribute complex abilities and feelings to non-humans has slowed the development of this area of science. Most people consider that they have obligations to some animals. However, they might protect animals because they consider that an animal has an intrinsic value, or because of their concern for its welfare. In social species, there has been selection promoting moral systems that might result in behaviours such as attempts to avoid harm to others, collaboration and other altruistic behaviour. An evaluation of such behaviour may provide one of the criteria for decisions about whether or not to protect animals of a particular species. Other criteria may be: whether or not the animal is known as an individual, similarity to humans, level of awareness, extent of feelings, being large, being rare, being useful or having aesthetic quality for humans. Cognitive ability should also be considered when designing methods of enriching the environments of captive animals. |
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ISSN |
0168-1591 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
5135 |
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Author |
Chalmeau, R.; Gallo, A. |
Title |
Cooperation in primates: Critical analysis of behavioural criteria |
Type |
Journal Article |
Year |
1995 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
Volume |
35 |
Issue |
1-3 |
Pages |
101-111 |
Keywords |
Cognition; Communication; Cooperation; Evolution; Primates |
Abstract |
Concerning hunting in chimpanzees, cooperation has generally been attributed to the behaviour of two or more individuals acting together to achieve a common goal (Boesch and Boesch, 1989). The common goal is often considered as the concrete result of a common action by two or several individuals. Although this result could be used as a criterion for cooperation, it could also be an outcome due to chance. We suggest that the goal, viewed as a concrete benefit shared by the partners, is not a requisite of cooperation but rather a possible consequence of a common action largely submitted to social constraints. Individuals engaged in a cooperative task in order to solve a problem have to exchange information to adjust to each other's behaviour. However, evidence of communication between partners during simultaneous cooperation is rare. An experiment in which two chimpanzees each had to simultaneously pull a handle to get a fruit was performed. We analysed not only the concrete result of the partners' activity but also what the individuals took into account before pulling a handle. We tried to specify what the chimpanzees learned by means of a series of logical propositions which we were able to confront the experimental results. |
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no |
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refbase @ user @ |
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570 |
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Author |
Reiss, D.; Marino, L. |
Title |
Mirror self-recognition in the bottlenose dolphin: a case of cognitive convergence |
Type |
Journal Article |
Year |
2001 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
Volume |
98 |
Issue |
10 |
Pages |
5937-5942 |
Keywords |
Animals; *Cognition; Dolphins/*physiology; *Visual Perception |
Abstract |
The ability to recognize oneself in a mirror is an exceedingly rare capacity in the animal kingdom. To date, only humans and great apes have shown convincing evidence of mirror self-recognition. Two dolphins were exposed to reflective surfaces, and both demonstrated responses consistent with the use of the mirror to investigate marked parts of the body. This ability to use a mirror to inspect parts of the body is a striking example of evolutionary convergence with great apes and humans. |
Address |
Osborn Laboratories of Marine Sciences, New York Aquarium, Wildlife Conservation Society, Brooklyn, NY 11224, USA. dlr28@columbia.edu |
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ISSN |
0027-8424 |
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Notes |
PMID:11331768 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2822 |
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Author |
Timney, B.; Keil, K. |
Title |
Local and global stereopsis in the horse |
Type |
Journal Article |
Year |
1999 |
Publication |
Vision Research |
Abbreviated Journal |
Vision Res |
Volume |
39 |
Issue |
10 |
Pages |
1861-1867 |
Keywords |
Animals; Depth Perception/*physiology; Female; Horses/*physiology; Pattern Recognition, Visual/physiology; Psychophysics; Sensory Thresholds/physiology; Vision, Binocular/physiology; Vision, Monocular/physiology |
Abstract |
Although horses have laterally-placed eyes, there is substantial binocular overlap, allowing for the possibility that these animals have stereopsis. In the first experiment of the present study we measured local stereopsis by obtaining monocular and binocular depth thresholds for renal depth stimuli. On all measures, the horses' binocular performance was superior to their monocular. When depth thresholds were obtained, binocular thresholds were several times superior to those obtained monocularly, suggesting that the animals could use stereoscopic information when it was available. The binocular thresholds averaged about 15 min arc. In the second experiment we obtained evidence for the presence of global stereopsis by testing the animals' ability to discriminate between random-dot stereograms with and without consistent disparity information. When presented with such stimuli they showed a strong preference for the cyclopean equivalent of the positive stimulus with the real depth. These results provide the first behavioral demonstration of a full range of stereoscopic skills in a lateral-eyed mammal. |
Address |
Department of Psychology, Faculty of Social Science, University of Western Ontario, London, Canada. timney@julian.uwo.ca |
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ISSN |
0042-6989 |
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PMID:10343877 |
Approved |
yes |
Call Number |
Equine Behaviour @ team @ |
Serial |
3580 |
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Author |
Gould, J.L. |
Title |
Animal cognition |
Type |
Journal Article |
Year |
2004 |
Publication |
Current Biology : CB |
Abbreviated Journal |
Curr Biol |
Volume |
14 |
Issue |
10 |
Pages |
R372-5 |
Keywords |
Animals; Awareness; Behavior, Animal/*physiology; Cognition/*physiology; Concept Formation; Decision Making; Instinct; Intelligence/*physiology; Learning/*physiology; Species Specificity |
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Address |
Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey 08544, USA. gould@princeton.edu |
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0960-9822 |
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PMID:15186759 |
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no |
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Equine Behaviour @ team @ |
Serial |
4169 |
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Author |
Kirkwood, J.K. |
Title |
Animal minds and animal welfare |
Type |
Journal Article |
Year |
2000 |
Publication |
The Veterinary Record |
Abbreviated Journal |
Vet. Rec. |
Volume |
146 |
Issue |
11 |
Pages |
327 |
Keywords |
*Animal Welfare; Animals; Animals, Domestic/*psychology; *Cognition; Consciousness; Veterinary Medicine/standards |
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0042-4900 |
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PMID:10766123 |
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no |
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Equine Behaviour @ team @ |
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2856 |
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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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0021-8812 |
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PMID:1808195 |
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no |
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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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0021-8812 |
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PMID:1808193 |
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no |
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Equine Behaviour @ team @ |
Serial |
2754 |
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