Biomedical subjects
V L Voith
Publications and source records attributed to V L Voith.
Behavioral problems in old dogs: 26 cases (1984-1987).
Among 26 dogs greater than or equal to 10 years old, the most frequent owner complaints relating to behavioral problems were destructive behavior in the house (n = 10), inappropriate urination or defecation in the house (n = 10), and excessive vocalization (n = 7). The most frequent behavioral diagnoses were separation anxiety (n = 13) and breakdown of housetraining (n = 6). Most of the behavioral problems in the 26 dogs began after the dogs reached the age of 10 years, and most of the dogs had been owned for many years without having behavioral problems. Few behavioral problems in old dogs had a medical basis. Most cases of inappropriate urination or defecation in the house were not related to urinary or fecal incontinence, but were exacerbated by problems such as degenerative joint disease and renal disease. Behavioral therapy is appropriate for behavioral problems in old dogs, and, taking into account an old dog's health and physical limitations, techniques used are the same as for younger dogs.
Cat aggression redirected to people: 14 cases (1981-1987).
Among 27 cases of cat aggression manifested toward people, 14 cases were diagnosed as redirected or probable redirected aggression, because the cat was already highly aroused by other stimuli before attacking a person. A detailed behavioral history enabled identification of arousing stimuli. The most common arousing stimulus was the presence of another cat. Other arousing stimuli included high-pitched noises, visitors in the house, a dog, an unusual odor, and being outdoors unexpectedly. Medical problems or other behavioral abnormalities were not detected in any of the cats that could explain their aggressive behavior. Management consisted of avoidance or elimination of arousing stimuli wherever possible and extensive client education. On follow-up there was no recurrence of redirected attacks in 4 cats, variable decreases in the severity and frequency of attacks in 5 cats, and no change in 1 cat. Three cats were euthanatized, including one that had shown some improvement. Follow-up information was not available for the 2 remaining cases. Redirected aggression in cats is not well documented and may be misdiagnosed as idiopathic aggression or other behavioral abnormality. Although redirected attacks may be sudden, severe, and frightening, with careful management, a favorable outcome is possible.
Principles of learning.
This article discusses some general principles of learning as well as possible constraints and how such principles can apply to horses. A brief review is presented of experiments that were designed to assess learning in horses. The use of behavior modification techniques to treat behavior problems in horses is discussed and several examples of the use of these techniques are provided.
Attachment of people to companion animals.
Cat and dog owners appear to be equally attached to their pets, engage in similar behaviors, and hold similar opinions regarding their pets. The universality and strength of this attachment may be because household pets fit into the biological attachment system that exists to bond parents and children. Additionally, pets may convey a feeling of security or a sense of well-being that is rooted in our evolutionary past.
Treatment of fear-induced aggression in a horse.
Desensitization (gradually exposing an animal to a fear-inducing stimulus without evoking the fear response) and counter-conditioning (rewarding the animal for behavior incompatible with the fear response) are highly successful ways of eliminating or reducing fear responses and corresponding aggression.
Learning principles and behavioral problems.
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Effects of castration on mating behavior.
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Multiple approaches to treating behavior problems.
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Treatment of fear reactions: canine aggression.
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Changes in urine spraying, feeding and sleep behavior of cats following medial preoptic-anterior hypothalamic lesions.
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