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Scheidhacker, M.; Bender, W.; Vaitl, P. |
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Die Wirksamkeit des therapeutischen Reitens bei der Behandlung chronisch schizophrener Patienten |
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1991 |
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Der Nervenarzt |
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Nervenarzt |
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62 |
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5 |
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283-287 |
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Adaptation, Psychological; Adult; Animals; Attention; Chronic Disease; Female; Follow-Up Studies; *Horses; Humans; Male; Psychiatric Status Rating Scales; Psychotherapy/*methods; Schizophrenia/*rehabilitation; *Schizophrenic Psychology; Self Concept; *Sports |
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After describing horse-riding as a facility in managing mentally ill patients, a program for chronic schizophrenic in-patients is presented. Clinical experience with this program and also results of a controlled study are reported. The therapeutic value and slope for horse-riding are discussed in relation to different diagnoses. |
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Bezirkskrankenhaus Haar b. Munchen |
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Die Wirksamkeit des therapeutischen Reitens bei der Behandlung chronisch schizophrener Patienten. Experimentelle Ergebnisse und klinische Erfahrungen |
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[The effectiveness of therapeutic horseback-riding in the treatment of chronic schizophrenic patients. Experimental results and clinical experiences] |
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Equine Behaviour @ team @ |
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5067 |
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McDonnell, S.M.; Henry,M. Bristol, F. |
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Spontaneous erection and masturbation in equids Proc 35th |
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1991 |
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J. Reprod. Fert. Suppl |
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44 |
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664-665 |
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Horse; Masturbation; Erection; Aversive conditioning; Sexual behavior; Ejaculation; Semen |
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This paper is part of the special issue entitled “Proceedings of the 4th International Symposium on Stallion Reproduction”, Guest Edited by Dr. Edward Squires. |
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1378 |
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Moehlman Pdr, |
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Behavior and ecology of feral asses (Equus asinus) Diss Univ of Wisconsin |
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1979 |
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Nat. Geo. Soc. Res. Rep., |
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405-411 |
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Ph.D. thesis |
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Univ of Wisconsin |
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Thesis 1974 |
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1398 |
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Boross, B.; Maros, K. |
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Possible indicators of the human-horse relationship among adult horses |
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2008 |
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IESM 2008 |
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According to scientists human-horse relationship is influenced by management conditions (Hausberger et al.; 2007) including handling methods (Henry et al.; 2005). Furthermore, Henry et al. (2005) show that mares foals“ behaviour toward humans may be influenced even by the mares. Although the familiarity of the testperson is said to be an important variable measuring relationship (Waiblinger et al.; 2006), other studies show that horses generalize from the experimenter to unfamiliar humans (Henry et al.; 2005) or from the caretaker to other human beings (Hausberger et al.; 2002).
Methods: 51 horses were observed in a 20x20 sandy arena (familiar to the subjects) to evaluate their relationship with a testperson.
First an arena test was carried out for 5 minutes. The horse was put into the arena alone. After that the person test came in which the testperson interacted with the horse.
The person test consisted of 3 or 4 different phases according to the horse”s behaviour. The phases were: (1.) voluntary animal approach test in which the testperson stood still and the subject was allowed to move wherever it wanted (Appr-vol); (2.) the testperson calling the horse to himself (Appr-call); (3.) the testperson making the horse stay beside him (Stand-still); (4.) the testperson making the horse follow him (without any tools and food reward) (Follow).
First 51 horses were tested with testpersons who were familiar to the animals. After that 39 horses were retested with unfamiliar testpersons within more than one week.
To analyze the potential effects of different human-related factors on the horse behaviour in the person test, such as time spent with training the horse (grooming, riding, working etc.), training methods, number of trainers etc. a questionnare has been used.
Results: Arena test: Horse behaviour was affected neither by their age (2-24 years) nor by their gender (30 geldings and 1 stallion vs 20 mares), however, mares spent more time in the entrance of the arena.
In the test with unfamiliar testpersons (retest) horses stood longer and walked less, which could reflect some habituation to the situation.
Person test: Gender and age of horses or time (years) elapsing since the horse started to be trained did not have any effect on the reactions of horses.
There was a positive correlation between the time (hours) spent with the horse weekly and the time of Follow.
The number of trainers had a significant effect on the Appr-vol and Follow responses: the less the number of the trainers, the sooner the horse approached the familiar testperson and the longer the animal followed him.
In the person test, significant difference was observed only in Appr-vol, thus horses followed the familiar testpersons much longer than the unfamiliar ones. Horses trained to follow their trainers without a lead rope followed significantly longer than animals without this kind of trainings.
Conclusion: Followership seemed to be the most sensitive behavioural response to human familiarity and it may also indicate some other aspects of horse-human relationship, however, training has a clear effect on this human related reaction. |
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Department of Organic Agriculture and Animal Welfare, Szent István University |
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Maros, K. |
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IESM 2008 |
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Talk 15 min IESM 2008 Fullpaper |
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yes |
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Equine Behaviour @ team @ |
Serial |
4480 |
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Kharazyan, F.; Hassani, A.; Ahmadinejad, M.; Houpt, K.A. |
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Title |
The response of horses to predator stimuli. |
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2008 |
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IESM 2008 |
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Caspian pony, Arab horse, predator stimuli |
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It is unknown whether or not wild horses“ instinct has remained during their centuries of taming. The knowledge of this matter gives riders the opportunity of knowing more not only about horse behavior but also about horse and rider safety. In the current research we try to study behavior of the two Iranian horse breed (Asil & Caspian) in confrontation with stimuli from predators. We explored which kind of stimuli (olfactory stimuli accompanied by auditory stimuli) affects horses more. We groupe horses based on breed, sex and age. All horses are adult. The test area is a room that equipped with ventilator, speaker, and other facilities that needs. The time spent in the test area varies between 5 and 20 min .The experiments were designed to investigate behavioral responses (locomotive activity ( standing , walk , trot , and exploration), eliminatory behavior (defecation, urination)) and physiological responses (measure and record of adrenalin dosages in blood samples before and after facing to stimuli and measured blood”s glucose and cortisol too) of horses to novel auditory and olfactory stimuli.
We explored which kind of stimuli(Olfactory stimuli or auditory stimuli) affects horses more. The experiments were carried out under standardized conditions a total of 60 horses (30 Caspian ponies and 30 Asil horses), of different ages.
We investigated how horses respond to two predator animals" (wolf and Iranian leopard) olfactory and auditory stimulus. The olfactory stimuli were: A: Urine /feces stimuli, B: Fur-derived stimuli. And The auditory stimulus were sound of wolf and Iranian Leopard. |
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of Animal Sciences, University of Technical and Vocational, Iran |
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Kharazyan, F. |
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IESM 2008 |
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Talk 15 min IESM 2008 Fullpaper |
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yes |
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Equine Behaviour @ team @ |
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4483 |
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Granquist,S.M.; Sigurjónsdóttir, H; Thórhallsdóttir, A.G. |
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Title |
Social structure and interactions within groups of horses containing a stallion |
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Conference Article |
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2008 |
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IESM 2008 |
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Social interactions,, Stallions, Hierarchy, Icelandic horses |
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Earlier research indicates that stallions might either prevent social interactions between mares in their
herds directly or indirectly by their presence (Feist and McCullough, 1976; Sigurjonsdottir et al.,
2003) The impact of stallions on the social interactions between harem members was studied in 6
groups of Icelandic horses in 2004, 2006 and 2007 for altogether 525 hours. Four of the groups were
permanently living together under semi-feral conditions, while two were temporary breeding groups. In
addition, temporary and permanent groups were compared and the effect of the stability of the group
on the social behaviour of horses was investigated .
The results show that stallions seldom intervene directly in social interactions between harem
members. However, the hierarchies were less rigid and fewer friendship bonds were found in the
groups compared to what has been found in groups without stallions in Iceland. These results give
some support to our prediction that the stallion does indirectly suppress social interactions of herd
members.
The stability of the group was found to affect the aggression rate, since a higher aggression rate was
found in the temporary groups compared to the permanent groups. The number of preferred
allogrooming partners of the horses was also affected to some extent, as a significantly lower number
of allogrooming partners was found in the most unstable group compared to all the other groups. The
results have significance for further research in the field of social structure of mammals, and may also
be applied in the management of horses and other domestic animals. |
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Sigurjónsdóttir, H |
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IESM 2008 |
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Talk 15 min IESM 2008 Fullpaper |
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yes |
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Equine Behaviour @ team @ |
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4487 |
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Bartosova, J.; Dvorakova, R.; Vancatova, M.; Svobodova, I. |
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Title |
Comprehension of human pointing gesture in domestic horses: Effect of training method |
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Conference Article |
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2008 |
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IESM 2008 |
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Human-horse communication, Pointing, Training methods, Horsemanship |
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Horses have been considered to rely on human gesticular cues (McKinley and Sambrook 2000, Anim Cogn 3:13-22; and recently Maros et al. 2008, Anim Cogn 11:457-466), however large variability among individuals tested in two-ways object choice tasks was found. Part of the horses in those studies (40 and 26 %, respectively) even failed to pass adequately through the training session which preceded the testing phase and served to learn a horse to carry out a task. Therefore, we alternated the experimental design designed by McKinley and Sambrook (reduced number of testing trials to 10 per horse to keep its attention, applied just one, a dynamic-sustained pointing cue with touching the bucket, etc.), and tested an effect of training method, sex, age, and learning on proportion of correct choices. We hypothesised, that horses trained by “traditional” method (TTM) will get lower score than those experienced with “horsemanship-based” methods (HTM), being characterized by closer and more frequent human-horse contact and also extended exercising “from the ground” with frequent using of arms cues. Despite simplification of the methods, only about 60 % of tested horses passed through the training phase (i.e., learned to come to and upturn the bucket with hidden treat). Successful completion of training phase was reached regardless of age or sex of a horse, but by the training method; HTM horses ran better compared to TTM ones. No significant effect of age, sex, or learning (i.e., trial order within all 10), and training method as well was found on proportion of correct trials in the testing phase. Horses made a correct choice in more than 70% of trials. Individual scores ranged from 50 to 100 %. In conclusion, horses showed high level of comprehension of human pointing gesture, regardless of their sex or age. No effects of training method or learning process within a test suggest low impact of handling and learning on the level of comprehension at least of the most vivid human pointing gesture. Horses trained by methods based on “natural human-horse communication” did enhance cooperation with people. |
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Department of Ethology, Institute of Animal Science, Pratelstvi 815, CZ-104 00 Praha Uhrineves, Czech Republic |
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Bartosova, J. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4464 |
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Baragli, P.; Regolin, L |
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Title |
Cognitive Tests in Equids (Equus caballus and Equus Asinus) |
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2008 |
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IESM 2008 |
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For ages horses and donkeys constituted the most important domesticated animals. Even though equids were often bred and kept in close proximity to humans, surprisingly little is known about their cognitive abilities. Traditionally, horses are not regarded as clever animals; common beliefs maintain that the horses“ behaviour is merely driven by conditioned-responses. Additionally, from an anthropomorphic point of view donkeys are believed to be ”stupid“ animals.
Our study investigates the equids” ability to recover a hidden object. For this purpose the animal has to create and maintain a representation of the object and its location in space, from the moment in which it disappears from direct perception, till the moment in which it reappears. The knowledge about objects being entities that continue to exist even when they are no longer available for direct perception is refered to as the well known concept of “object permanence”.
We primarly assessed the ability of Esperia's pony and donkeys to solve a Detour problem while employing an opaque “U-shaped” barrier. Each animal observed a food bucket moving and disappearing behind the barrier. Immediately after the object"s disappearance, the animal was released to search for the object. If it solved the task by detouring the barrier it was positively reinforced.
The ability to retain in memory the hidden object as well as its spatial location was subsequently tested in the presence of two, rather than one, screens (Working Memory testing phase). The food bucket was made to move and hidden behind one of the two identical screens, while the animal was watching it. Following a pre-established delayed period of 10 sec, the animal was set free to look for the food. In such a test the detour problem is combined with the classical delayed-response task, which is in use for the comparison of memory duration in different species.
In order to recover the hidden objects, animals must encode, maintain and correctly regain from their working memory the existence of the no longer visible object and its location from their working memory.
Both donkeys and ponies performed the Detour task showing to grasp the fact that an object which is no longer perceivable still continues to exist and can be regained. They also were able to correctly retrieve the goal object after a delay of 10 s in the Working Memory tasks, showing that they had encoded, maintained and correclty retrieved from their working memory the spatial location of the hidden object as well as its existence.
Nevertheless, when Standardbreds, raised in traditional stables, were tested in identical conditions to those describe for the ponies and donkeys, they could not succeed in the Detour tasks. The reason for such differences needs to be studied Even though it would be interesting to focus on handling differences, i.e., the ponies had been living in an environment rich in natural stimuli, while the Standardbreds had lived in a man-controlled environment since birth. It is also noteworthy that, like donkeys, the Esperia's pony have a reputation for being hard to handle.
Several considerations could arise from our preliminary investigations, and we will have the pleasure to leave them open for discussion. |
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University of Pisa- Dept of Veterinary Anatomy, Biochemistry and Physiology |
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Baragli, P. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4461 |
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Author |
Krueger, K. |
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Social cognition and social learning in horses |
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2008 |
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IESM 2008 |
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In comparison to other social animals it appears to be far more difficult to show social learning in horses, although the social background of the animals prompts the prediction that social learning should be verifiable. This demands for a thorough analysis of conditions, context and effects of social learning which might not be as obvious in horses than in other social animals. Moreover, the horse“s social cognition in general, i.e. the processing, encoding, storage, retrieval, and application of social information, needs to be examined. In previous studies we addressed the horse”s perception of it“s social environment. Our results indicate that domestic horses are not only capable of distinguishing between familiar and unfamiliar horses but also of recognizing the social status of familiar horses relative to their own. Furthermore, they extract information from observing interactions between a familiar horse and a human experimenter, and adjust their behaviour according to the observed horse”s reaction and relative dominance status when they are themselves later confronted with the experimenter in a similar situation. Additionally, we showed in pilot experiments that horses paid more attention to the gaze of dominant horses from their own social group than to that of unknown or subordinate horses. In another study we suggested that horses of both sexes are capable of determining the social affiliation, the sex and, for their own group members, the identity of individuals, by sniffing their faeces. Hence, social affiliation and dominance relationships seemed to have a major influence on the horses` motivation to pay attention to their conspecifics. In the future we will take another step towards linking the horse“s social cognitive capacities with its social ecology, social structure, and individuality. In the context of comparative cognition research on the socially complex primates, or on a range of carnivores such as corvids, canids or dolphins, horses are particularly interesting, because they are highly social, but do not rely on social hunting or cooperative raising of offspring. Also foraging is simple for horses, predator avoidance is demanding and this may be the main reason for the horse”s complex social lives and their choice of learning tactics. Hence, we will investigate the horse"s investigative behaviour towards neutral, fear-eliciting and food related novel objects. We propose that, as in other species, sociality and distinct personalities are key features for the understanding of cognitive capacities and the choice of learning strategies. |
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University of Regensburg – Biology I |
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Krueger, K. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4462 |
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Timney, B. |
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Photopic Spectral Sensitivity and Wavelength Discrimination in the Horse (Equus caballus) |
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2008 |
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IESM 2008 |
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A number of studies have demonstrated that horses have chromatic vision and are able to distinguish colours from grey, independent of brightness. Anatomical and physiological data support the view that they are dichromats. In two experiments we provide behavioural evidence for their dichromacy. In the first we measured photopic spectral sensitivity. Using a spatial two alternative forced choice task, two horses were required to discriminate a coloured circular patch on an achromatic background from a blank field over a range of wavelengths . The obtained spectral sensitivity function was consistent with the presence of two cone classes with predicted spectral peaks at 429 nm and 545 nm, respectively. In the second experiment we obtained wavelength discrimination functions. The same animals were required to make discriminations between a series of standard wavelengths and a series of comparison wavelengths across the spectrum. The resultant wavelength discrimination function showed a single minimum at approximately 480 nm, which is also consistent with the view that horses are dichromats. Key Words: Horse, colour vision, spectral sensitivity, wavelength discrimination |
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Timney, B. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4463 |
|
| Permanent link to this record |
