Abstract:
:Patterns of female sexual behavior in the hamster are qualitatively different from that observed in the rat. Hamsters demonstrate tonic immobility and a sustained lordotic response that can last for several minutes following minimal stimulation from the male while in rats, the lordotic response is highly dependent upon continued stimulation from the male and lasts for only a few seconds following a mount or intromission. Also, the hamster requires both estrogen and progesterone priming in order to display female sexual behavior but the rat can show lordotic behavior following treatment with estrogen alone. Electrolytic lesions in the lateral septal area of female rats produce a facilitation in female sexual behavior and increase behavioral sensitivity to estrogen. However, lesions in the lateral septal area of rats produced by the neurotoxin kainic acid (KA) result in deficits in female sexual behavior following estrogen and progesterone treatment. Given these species differences in sexual behavior, we have examined the effects of KA lesions in the lateral septal area of hamsters on female sexual behavior. Adult female golden hamsters were ovariectomized and tested for female sexual behavior prior to receiving brain surgery. For all behavior tests, animals were injected SC with 60 micrograms of estradiol benzoate/kg per day for two days and 0.5 mg of progesterone three hours prior to the behavior test on day three. Behavior tests consisted of placing the test animal in a male's home cage for 10 minutes and recording the latency to the first lordosis, length of the longest single bout of lordosis and total lordosis duration.(ABSTRACT TRUNCATED AT 250 WORDS)
journal_name
Brain Res Bulljournal_title
Brain research bulletinauthors
Nance DM,Myatt GAdoi
10.1016/0361-9230(87)90064-5subject
Has Abstractpub_date
1987-12-01 00:00:00pages
751-4issue
6eissn
0361-9230issn
1873-2747pii
0361-9230(87)90064-5journal_volume
19pub_type
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