LACK OF COPULATORY BEHAVIOUR IN MALE CASTRATED RATS AFTER p-CHLOROPHENYLALANINE
نویسندگان
چکیده
منابع مشابه
Testosterone restoration of copulatory behavior correlates with medial preoptic dopamine release in castrated male rats.
The medial preoptic area (MPOA) is an important integrative site for male sexual behavior. We have reported an increase in dopamine (DA) release in the MPOA of male rats shortly before and during copulation. Postcastration loss of copulatory ability mirrored the loss of the precopulatory DA response to an estrous female. The present study investigated the time courses of restoration, rather tha...
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In 8 male rats instrumental responses reinforced by contact with an estrous female with an intact or a surgically closed vagina were investigated. Contact with the female lasted until the end of the mount bout. It was observed that neither the rewarding value of the mount bout (expressed by the duration of the response) nor its arousing properties (expressed by the rate of bar presses) depended...
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The brain damage which occurs in untreated phenylketonuria probably results from the high plasma phenylalanine concentration prevailing in this condition, as treatment with a low-phenylalanine diet mitigates the situation. The actual cause of the brain damage is not known, but investigations have been carried out with high phenylalanine loads to simulate phenylketonuria and so elucidate the nat...
متن کاملThe effect of p-chlorophenylalanine on social interactions of male rats.
1. Juvenile male rats treated with parachlorophenylalanine showed hair loss round the head and neck extending down the chest and abdomen.2. Treated isolated rats did not have this loss of hair, while untreated animals living in the same cage as treated rats lost their hair. The loss therefore seems to be caused by increased social behaviour. This consists of a greater frequency of chasing each ...
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ژورنال
عنوان ژورنال: British Journal of Pharmacology
سال: 1974
ISSN: 0007-1188
DOI: 10.1111/j.1476-5381.1974.tb09654.x