Records |
Author |
Slotnick, B. |
Title |
Animal cognition and the rat olfactory system |
Type |
Journal Article |
Year |
2001 |
Publication |
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Abbreviated Journal |
Trends Cogn Sci |
Volume |
5 |
Issue |
5 |
Pages |
216-222 |
Keywords |
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Abstract |
Is smell a 'primitive' sense used primarily to guide biologically basic behaviors or might it be the sensory modality that allows some species to express complex learning and other forms of cognitive behavior? Historically, the olfactory system has been considered primitive and it is not surprising that, until recently, cognitive neuroscientists have ignored odor-guided behavior. However, we now know that the olfactory system has projections to the prefrontal cortex, entorhinal cortex and hippocampus, and that these connections support the acquisition of simple and higher-order instrumental tasks, as well as a robust memory for odors. It appears that animals with a well-developed sense of smell have the neural machinery to think with their noses. |
Address |
Dept of Psychology, American University, 20016, Washington, DC, USA |
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English |
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ISSN |
1364-6613 |
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Notes |
PMID:11323267 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2854 |
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Author |
Bolhuis, J.J.; Macphail, E.M. |
Title |
A critique of the neuroecology of learning and memory |
Type |
Journal Article |
Year |
2001 |
Publication |
Trends in Cognitive Sciences |
Abbreviated Journal |
Trends. Cognit. Sci. |
Volume |
5 |
Issue |
10 |
Pages |
426-433 |
Keywords |
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Abstract |
Recent years have seen the emergence of neuroecology, the study of the neural mechanisms of behaviour guided by functional and evolutionary principles. This research has been of enormous value for our understanding of the evolution of brain- and species-specific behaviour. However, we question the validity of the neuroecological approach when applied to the analysis of learning and memory, given its arbitrary assumption that different [`]problems' engage different memory mechanisms. Differences in memory-based performance in [`]natural' tasks do not prove differences in memory capacity; similarly, differences in the use of memory in the natural environment do not provide a sound basis for expecting differences in anatomical structures that subserve learning and memory. This critique is illustrated with examples taken from the study of the neurobiology of food storing and song learning in birds. |
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1364-6613 |
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Equine Behaviour @ team @ |
Serial |
4742 |
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Author |
Marfin, A.A.; Petersen, L.R.; Eidson, M.; Miller, J.; Hadler, J.; Farello, C.; Werner, B.; Campbell, G.L.; Layton, M.; Smith, P.; Bresnitz, E.; Cartter, M.; Scaletta, J.; Obiri, G.; Bunning, M.; Craven, R.C.; Roehrig, J.T.; Julian, K.G.; Hinten, S.R.; Gubler, D.J. |
Title |
Widespread West Nile virus activity, eastern United States, 2000 |
Type |
Journal Article |
Year |
2001 |
Publication |
Emerging Infectious Diseases |
Abbreviated Journal |
Emerg Infect Dis |
Volume |
7 |
Issue |
4 |
Pages |
730-735 |
Keywords |
Animals; Bird Diseases/epidemiology/virology; Culicidae/virology; *Disease Outbreaks; Ecology; Horse Diseases/epidemiology/virology; Horses; Humans; Population Surveillance; Songbirds/virology; United States/epidemiology; West Nile Fever/*epidemiology/veterinary/virology; *West Nile virus |
Abstract |
In 1999, the U.S. West Nile (WN) virus epidemic was preceded by widespread reports of avian deaths. In 2000, ArboNET, a cooperative WN virus surveillance system, was implemented to monitor the sentinel epizootic that precedes human infection. This report summarizes 2000 surveillance data, documents widespread virus activity in 2000, and demonstrates the utility of monitoring virus activity in animals to identify human risk for infection. |
Address |
Division of Vector-Borne Infections Diseases, Centers for Disease Control and Prevention, P.O. Box 2087, Fort Collins, CO 80522, USA. aam@cdc.gov |
Corporate Author |
ArboNET Cooperative Surveillance Group |
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ISSN |
1080-6040 |
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PMID:11585539 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2646 |
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Author |
Zentall, T.R.; Clement, T.S.; Bhatt, R.S.; Allen, J. |
Title |
Episodic-like memory in pigeons |
Type |
Journal Article |
Year |
2001 |
Publication |
Psychonomic bulletin & review |
Abbreviated Journal |
Psychon Bull Rev |
Volume |
8 |
Issue |
4 |
Pages |
685-690 |
Keywords |
Animals; Behavior, Animal/physiology; Columbidae; Memory, Short-Term/*physiology; Teaching |
Abstract |
It has been proposed that memory for personal experiences (episodic memory, rather than semantic memory) relies on the conscious review of past experience and thus is unique to humans. In an attempt to demonstrate episodic-like memory in animals, we first trained pigeons to respond to the (nonverbal) question “Did you just peck or did you just refrain from pecking?” by training them on a symbolic matching task with differential responding required to the two line-orientation samples and reinforcing the choice of a red comparison if they had pecked and the choice of a green comparison if they had not pecked. Then, in Experiment 1, after providing the conditions for (but not requiring) the pigeons to peck at one new stimulus (a yellow hue) but not at another (a blue hue), we tested them with the new hue stimuli and the red and green comparisons. In Experiment 2, we tested the pigeons with novel stimuli (a circle, which they spontaneously pecked, and a dark response key, which they did not peck) and the red and green comparisons. In both experiments, pigeons chose the comparison appropriate to the response made to the test stimulus. Thus, the pigeons demonstrated that they could remember specific details about their past experiences, a result consistent with the notion that they have the capacity for forming episodic-like memories. |
Address |
Department of Psychology, University of Kentucky, Lexington 40506-0044, USA. zentall@pop.uky.edu |
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ISSN |
1069-9384 |
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PMID:11848586 |
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no |
Call Number |
refbase @ user @ |
Serial |
243 |
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Author |
Henderson, J.V.; Warant, N.K. |
Title |
Reducing Equine Stereotypies Using an Equiball |
Type |
Journal Article |
Year |
2001 |
Publication |
Animal Welfare |
Abbreviated Journal |
Anim Welfare |
Volume |
10 |
Issue |
1 |
Pages |
73-80 |
Keywords |
NIMAL WELFARE; ENRICHMENT; EQUIBALLTRADE; HORSES; STEREOTYPIC BEHAVIOUR |
Abstract |
It is believed that environmental enrichment techniques can play an important part in creating suitable captive environments for horses. There has, however, been little scientific investigation into the effectiveness of 'stable-toys' which claim to reduce the performance of equine stereotypies. This study investigated the effect of a foraging device known as 'The Equiball' on equine stereotypies. Six horses were given their evening feed in an Equiball, and the occurence of stereotypic behaviour recorded using scan sampling of video observations. Pre-enrichment, horses spent a mean(SD) of 5.27 ? 8.17 per cent of their time in the stable performing stereotypies; and significant individual variation in mean time performing stereotypic behaviour was found (P < 0.05). Several peaks in stereotypy over the day were found, the two main ones corresponding to the times before feeding. A reduction in stereotypic behaviour in five horses, and a small increase in stereotypic behaviour in one horse was observed during enrichment. During enrichment, there was an overall trend for stereotypic behaviour to decrease (P < 0.1). When used in conjunction with other measures such as behaviour therapy, companionship, increased exercise, and so on, the Equiball may help to create an environment less likely to lead to the development of stereotypic behaviours. |
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no |
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refbase @ user @ |
Serial |
2011 |
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Author |
McBride, S.D.; Cuddeford, D. |
Title |
The Putative Welfare-Reducing Effects of Preventing Equine Stereotypic Behaviour |
Type |
Journal Article |
Year |
2001 |
Publication |
Animal Welfare |
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Volume |
10 |
Issue |
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Pages |
173-189 |
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refbase @ user @ |
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2012 |
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Author |
Sebastiani, F.; Meiswinkel, R.; Gomulski, L.M.; Guglielmino, C.R.; Mellor, P.S.; Malacrida, A.R.; Gasperi, G. |
Title |
Molecular differentiation of the Old World Culicoides imicola species complex (Diptera, Ceratopogonidae), inferred using random amplified polymorphic DNA markers |
Type |
Journal Article |
Year |
2001 |
Publication |
Molecular Ecology |
Abbreviated Journal |
Mol Ecol |
Volume |
10 |
Issue |
7 |
Pages |
1773-1786 |
Keywords |
Africa; Animals; Ceratopogonidae/*classification/*genetics; Ecology; Evolution, Molecular; Female; *Genetic Markers; Madagascar; Phylogeny; *Polymorphism, Genetic; *Random Amplified Polymorphic DNA Technique; Variation (Genetics) |
Abstract |
Samples of seven of the 10 morphological species of midges of the Culicoides imicola complex were considered. The importance of this species complex is connected to its vectorial capacity for African horse sickness virus (AHSV) and bluetongue virus (BTV). Consequently, the risk of transmission may vary dramatically, depending upon the particular cryptic species present in a given area. The species complex is confined to the Old World and our samples were collected in Southern Africa, Madagascar and the Ivory Coast. Genomic DNA of 350 randomly sampled individual midges from 19 populations was amplified using four 20-mer primers by the random amplified polymorphic DNA (RAPD) technique. One hundred and ninety-six interpretable polymorphic bands were obtained. Species-specific RAPD profiles were defined and for five species diagnostic RAPD fragments were identified. A high degree of polymorphism was detected in the species complex, most of which was observed within populations (from 64 to 76%). Principal coordinate analysis (PCO) and cluster analysis provided an estimate of the degree of variation between and within populations and species. There was substantial concordance between the taxonomies derived from morphological and molecular data. The amount and the different distributions of genetic (RAPD) variation among the taxa can be associated to their life histories, i.e. the abundance and distribution of the larval breeding sites and their seasonality. |
Address |
Department of Animal Biology, Laboratory of Zoology, University of Pavia, Piazza Botta 9, I-27100 Pavia, Italy |
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0962-1083 |
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PMID:11472544 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2647 |
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Author |
Kirkwood, J.K.; Hubrecht, R. |
Title |
Animal Consciousness, Cognition and Welfare |
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Journal Article |
Year |
2001 |
Publication |
Animal Welfare |
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Volume |
10 |
Issue |
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Pages |
5-17 |
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no |
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refbase @ user @ |
Serial |
3488 |
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Author |
Dawkins, M.S. |
Title |
Who Needs Consciousness? |
Type |
Journal Article |
Year |
2001 |
Publication |
Animal Welfare |
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Volume |
10 |
Issue |
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Pages |
19-29 |
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no |
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refbase @ user @ |
Serial |
3489 |
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Author |
Taylor, J.G. |
Title |
What do Neuronal Network Models of the Mind Indicate about Animal Consciousness? |
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Journal Article |
Year |
2001 |
Publication |
Animal Welfare |
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10 |
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63-75 |
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refbase @ user @ |
Serial |
3490 |
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