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Bovet, D.; Vauclair, J.; Blaye, A. |
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Title |
Categorization and abstraction abilities in 3-year-old children: a comparison with monkey data |
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Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume  |
8 |
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1 |
Pages |
53-59 |
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Animals; Child Development; Child, Preschool; *Classification; *Concept Formation; *Discrimination Learning; Female; *Form Perception; Humans; Male; Papio; Pattern Recognition, Visual; *Problem Solving; Species Specificity |
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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. |
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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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Equine Behaviour @ team @ |
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2516 |
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Borsari, A.; Ottoni, E.B. |
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Title |
Preliminary observations of tool use in captive hyacinth macaws (Anodorhynchus hyacinthinus) |
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Journal Article |
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2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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8 |
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1 |
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48-52 |
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Age Factors; Animals; *Feeding Behavior; Female; *Intelligence; Male; *Motor Skills; *Nuts; *Parrots |
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Many animals use tools (detached objects applied to another object to produce an alteration in shape, position, or structure) in foraging, for instance, to access encapsulated food. Descriptions of tool use by hyacinth macaws (Anodorhynchus hyacinthinus) are scarce and brief. In order to describe one case of such behavior, six captive birds were observed while feeding. Differences in nut manipulation and opening proficiency between adults and juveniles were recorded. The tools may be serving as a wedge, preventing the nut from slipping and/or rotating, reducing the impact of opening, or providing mechanical aid in its positioning and/or use of force. Data suggest that birds of this species have an innate tendency to use objects (tools) as aids during nut manipulation and opening. |
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Laboratory of Cognitive Ethology, Department of Experimental Psychology, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil. borsari@hotmail.com |
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PMID:15248094 |
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Equine Behaviour @ team @ |
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2518 |
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Fripp, D.; Owen, C.; Quintana-Rizzo, E.; Shapiro, A.; Buckstaff, K.; Jankowski, K.; Wells, R.; Tyack, P. |
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Bottlenose dolphin (Tursiops truncatus) calves appear to model their signature whistles on the signature whistles of community members |
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2005 |
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Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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8 |
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1 |
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17-26 |
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Acoustic Stimulation; Animals; Dolphins/*psychology; Female; *Imitative Behavior; Individuality; *Learning; *Social Environment; *Vocalization, Animal |
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Bottlenose dolphins are unusual among non-human mammals in their ability to learn new sounds. This study investigates the importance of vocal learning in the development of dolphin signature whistles and the influence of social interactions on that process. We used focal animal behavioral follows to observe six calves in Sarasota Bay, Fla., recording their social associations during their first summer, and their signature whistles during their second. The signature whistles of five calves were determined. Using dynamic time warping (DTW) of frequency contours, the calves' signature whistles were compared to the signature whistles of several sets of dolphins: their own associates, the other calves' associates, Tampa Bay dolphins, and captive dolphins. Whistles were considered similar if their DTW similarity score was greater than those of 95% of the whistle comparisons. Association was defined primarily in terms of time within 50 m of the mother/calf pair. On average, there were six dolphins with signature whistles similar to the signature whistles of each of the calves. These were significantly more likely to be Sarasota Bay resident dolphins than non-Sarasota dolphins, and (though not significantly) more likely to be dolphins that were within 50 m of the mother and calf less than 5% of the time. These results suggest that calves may model their signature whistles on the signature whistles of members of their community, possibly community members with whom they associate only rarely. |
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Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA. deborah.fripp@verizon.net |
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1435-9448 |
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PMID:15221637 |
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Equine Behaviour @ team @ |
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2520 |
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Author |
Blaisdell, A.P.; Cook, R.G. |
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Title |
Integration of spatial maps in pigeons |
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Journal Article |
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Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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8 |
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1 |
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7-16 |
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Animals; Appetitive Behavior/physiology; Association Learning/*physiology; Columbidae/*physiology; Conditioning, Classical/physiology; *Cues; Problem Solving/*physiology; Space Perception/*physiology; Spatial Behavior/physiology |
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The integration of spatial maps in pigeons was investigated using a spatial analog to sensory preconditioning. The pigeons were tested in an open-field arena in which they had to locate hidden food among a 4x4 grid of gravel-filled cups. In phase 1, the pigeons were exposed to a consistent spatial relationship (vector) between landmark L (a red L-shaped block of wood), landmark T (a blue T-shaped block of wood) and the hidden food goal. In phase 2, the pigeons were then exposed to landmark T with a different spatial vector to the hidden food goal. Following phase 2, pigeons were tested with trials on which they were presented with only landmark L to examine the potential integration of the phase 1 and 2 vectors via their shared common elements. When these test trials were preceded by phase 1 and phase 2 reminder trials, pigeons searched for the goal most often at a location consistent with their integration of the L-->T phase 1 and T-->phase 2 goal vectors. This result indicates that integration of spatial vectors acquired during phases 1 and 2 allowed the pigeons to compute a novel L-->goal vector. This suggests that spatial maps may be enlarged by successively integrating additional spatial information through the linkage of common elements. |
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Department of Psychology, University of California, Los Angeles, 1285 Franz Hall, Box 951563, Los Angeles, CA 90095-1563, USA. blaisdell@psych.ucla.edu |
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PMID:15221636 |
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Equine Behaviour @ team @ |
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2521 |
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Saunders, F.C.; McElligott, A.G.; Safi, K.; Hayden, T.J. |
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Mating tactics of male feral goats (Capra hircus): risks and benefits |
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2005 |
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Acta Ethol |
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8 |
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Equine Behaviour @ team @ Saunders2005 |
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6252 |
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Quesada, J; Kintsch, W.; Gomez, E. |
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Complex problem-solving: a field in search of a definition? |
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2005 |
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Theoretical Issues in Ergonomics Science |
Abbreviated Journal |
Theor Issues Ergon Sci |
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6 |
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1 |
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5-33 |
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Problem solving; Dynamic decision making; Micro-worlds; Expertise |
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Complex problem-solving (CPS) is as an area of cognitive science that has received a good amount of attention, but theories in the field have not progressed accordingly. The reasons could be the lack of good definitions and classifications of the tasks (taxonomies). Although complexity is a term used pervasively in psychology and is operationalized in different ways, there are no psychological theories of complexity. The definition of problem-solving has been changed in the past to reflect the varied interests of the researchers and has lost its initial concreteness. These two facts together make it difficult to define CPS or make clear if CPS should reuse the theory and methods of classical problem-solving or on the contrary should build a theoretical structure starting from scratch. A taxonomy is offered of tasks using both formal features and psychological features that are theory-independent that could help compare the CPS tasks used in the literature. The adequateness is also reviewed of the most extended definitions of CPS and conclude that they are in serious need of review, since they cover tasks that are not considered problem-solving by their own authors or are not complex, but ignore others that should clearly be included. |
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Taylor and Francis Ltd |
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refbase @ user @ |
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604 |
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Callow, N.; Waters, A. |
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The effect of kinesthetic imagery on the sport confidence of flat-race horse jockeys |
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2005 |
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Psychology of Sport and Exercise |
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6 |
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4 |
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443-459 |
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Vmiq; Miq; Multiple-baseline design; Itsacorr |
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Objectives The primary objective was to examine the efficacy of a kinesthetic imagery intervention on the sport confidence of three professional flat-race horse jockeys, with the secondary objective of examining the relationship between performance and sport confidence.Design A multiple-baseline across participants research design was employed.Methods The State Sport Confidence Inventory [SSCI; Vealey, R.S. (1986). Conceptualization of sport confidence and competitive orientation: Preliminary investigation and instrument development. Journal of Sport Psychology, 8, 221-246.] was administered twice weekly, prior to a total of 23, 25, and 27 races for participants 1, 2, and 3, respectively. In addition, performance data were collected on each SSCI data collection day. The kinesthetic imagery intervention consisted of six kinesthetic imagery sessions, twice weekly during a 3-week period. The intervention was introduced after race 7, 9, and 11 for participants 1, 2, and 3, respectively. Approximately, 1 week after the end of the data collection, participants completed a postexperimental questionnaire.Results ITSACORR [Crosbie, J. (1993). Interrupted time-series analysis with brief single-subject data. Journal of Consulting and Clinical Psychology, 6, 966-974.] was employed to analyze the sport confidence data. The results of ITSACORR along with visual inspection, demonstrated a significant increase in sport confidence for participants 1 and 3, and a non-significant increase for participant 2. Kendall's tau b correlations failed to find a significant relationship between performance and confidence.Conclusions The results are discussed in terms of the value of kinesthetic imagery as a tool for athletes to practice and develop. Furthermore, this study demonstrates the ability of ITSACORR to provide a statistical analysis for serially dependent single-subject data. |
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Equine Behaviour @ team @ |
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3698 |
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Author |
Huebener, E. |
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Hilfen für Übergänge von einer Gangart in eine andere ? Die Bewegungen von Pferderumpf und -rücken als Zeitgeber für reiterliche Einwirkung |
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Journal Article |
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2005 |
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Trakehner Hefte |
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Trakehner Hefte, |
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5-11 |
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Übergänge von einer Gangart in eine andere sind nach Ludwig Koch jeweils nur aus einer ganz bestimmten Phase einer Bewegungsfolge (oder Bewegungsfolgen-Hälfte) der einen in eine ganz bestimmte Bewegungsfolge (oder Bewegungsfolgen-Hälfte) der anderen Gangart möglich.
Diese Phasen dauern nur Bruchteile einer Sekunde an. In diesen Momenten muß die Hilfe nach europäischer klassischer Lehre gegeben, nur in diesen Momenten kann sie vom Pferd blitzartig-automatisch umgesetzt werden. Um die Hilfe im “passenden” Moment geben zu können, braucht der Reiter einen Zeitgeber. Den einzigen verfügbaren, zuverlässigen Timer bilden die Bewegungen des Pferderückens und des Pferderumpfes.
Die Zusammenhänge zwischen den Bewegungsphasen in den Grundgangarten, dem mit frei beweglichem Beckenring allen Bewegungen des Pferderückens folgendem Sitz des Reiters, und dem Schenkel, der von Schritt zu Schritt, von Tritt zu Tritt, von Galoppsprung zu Galoppsprung an den wegschwingenden Pferderumpf fallen möchte bis er das im rechten Augenblick – vom Reiter gesteuert – dann auch darf, sind erstmals in piktogrammartigen Miniaturbild-Folgen leicht verständlich dargestellt. |
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German |
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426 |
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Huebener, E. |
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Rider's Aids for Transitions Between Different Gaits ? The Movements of the Horse's Trunk and Back as Timers for the Rider's Influence |
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2005 |
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Trakehner Hefte |
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Trakehner Hefte |
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5-11 |
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Abstract
According to Ludwig Koch, the horse's transition from one gait to another is only possible during a particular phase in its' movement cycle (respectively in a half of it's movement cycle) in one gait to a particular phase in its' movement cycle (respectively in a half of it's movement cycle) in the other gait.
It only takes a fraction of a second for these movements to occur. It is precisely in these moments that according to the European classical riding school principles the rider has to give the appropriate aids, because only then the horse can execute them in a flash. In order to give the aids in the “fitting” moment, the rider needs a timer. The only available and reliable indicators of the right timing are the movements of the horse's trunk and back.
The connections between the different phases of the movements during the basic gaits, the rider's seat which follows all the movements of the horse's back with a freely rotating pelvis, and the rider's leg which – from step to step, from footfall to footfall, from canter beat to canter beat – wants to follow the horse's swinging trunk (until it is finally – controlled by the rider – free to do so, at the right moment), are being shown for the first time in easy to follow miniature picture sequences. |
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427 |
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Ward, M.P.; Ramsay, B.H.; Gallo, K. |
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Rural cases of equine West Nile virus encephalomyelitis and the normalized difference vegetation index |
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2005 |
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Vector Borne and Zoonotic Diseases (Larchmont, N.Y.) |
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Vector Borne Zoonotic Dis |
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5 |
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2 |
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181-188 |
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Animals; Biomass; Cluster Analysis; Disease Outbreaks/veterinary; Ecology; *Geographic Information Systems; Horse Diseases/*epidemiology; Horses; Indiana/epidemiology; Plants; Population Surveillance; Rural Health; Seasons; Topography, Medical/*methods; West Nile Fever/epidemiology/*veterinary |
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Data from an outbreak (August to October, 2002) of West Nile virus (WNV) encephalomyelitis in a population of horses located in northern Indiana was scanned for clusters in time and space. One significant (p = 0.04) cluster of case premises was detected, occurring between September 4 and 10 in the south-west part of the study area (85.70 degrees N, 45.50 degrees W). It included 10 case premises (3.67 case premises expected) within a radius of 2264 m. Image data were acquired by the Advanced Very High Resolution Radiometer (AVHRR) sensor onboard a National Oceanic and Atmospheric Administration polar-orbiting satellite. The Normalized Difference Vegetation Index (NDVI) was calculated from visible and near-infrared data of daily observations, which were composited to produce a weekly-1km(2) resolution raster image product. During the epidemic, a significant (p < 0.01) decrease (0.025 per week) in estimated NDVI was observed at all case and control premise sites. The median estimated NDVI (0.659) for case premises within the cluster identified was significantly (p < 0.01) greater than the median estimated NDVI for other case (0.571) and control (0.596) premises during the same period. The difference in median estimated NDVI for case premises within this cluster, compared to cases not included in this cluster, was greatest (5.3% and 5.1%, respectively) at 1 and 5 weeks preceding occurrence of the cluster. The NDVI may be useful for identifying foci of WNV transmission. |
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Department of Veterinary Pathobiology, Purdue University School of Veterinary Medicine, West Lafayette, Indiana, USA. mward@cvm.tamu.edu |
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1530-3667 |
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PMID:16011435 |
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Equine Behaviour @ team @ |
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2627 |
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