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Effects of haloperidol on communicative and aggressive behavior in male mice with different experience of aggressive confrontationsстатья
- Авторы: Kudryavtseva N.N., Lipina T.V., Koryakina L.A.
- Журнал: Pharmacology, Biochemistry & Behavior
- Том: 63
- Номер: 2
- Год издания: 1999
- Издательство: Ankho International, Ltd.
- Местоположение издательства: United States
- Первая страница: 229
- Последняя страница: 236
- DOI: 10.1016/s0091-3057(98)00227-5
- Аннотация: Effects of two doses of haloperidol (0.1 and 0.4 mg/kg, 30 min and 24 h, IP) on communicative and aggressive behavior in C57BL/6J male mice have been studied. Some of the mice were without prior experience of aggression ("recruits"); the others had been victorious in 20 daily aggressive confrontations ("experienced winners"). Communicative behavior was estimated as the behavioral reaction to a standard tester (loser) in the partition test. Haloperidol in either dose significantly reduced communicative behavior in the "recruits." but not in the "experienced winners." Significantly fewer attacks, less total attacking time, and total time of aggressive behavior (aggressive grooming + attacks) were demonstrated by the "experiences winners," than by the "recruits," while the latency of the first attack, the number, the total and average duration of aggressive grooming events were significantly higher. In the "recruits," haloperidol dose dependently increased the latency and decreased the number of attacks, the total attacking time, and the total time of aggressive behavior 30 min and 24 h after injection. However, haloperidol did not affect the average or total time of aggressive grooming. Neither dose significantly affected any measure of aggressive behavior in the "experienced winners." It has been concluded that repeated aggression experience reduces the pharmacological sensitivity of the dopamine receptors.
- Добавил в систему: Галямина Анна Георгиевна