Abstract:
:There is broad acceptance for the idea that during development estradiol 'organizes' many aspects of reproductive behavior including partner preferences in the laboratory rat. With respect to partner preference, this idea is drawn from studies where estrogen action was in someway blocked, either through aromatase or estrogen receptor inhibition, during development in male rats. The lack of estrogens neonatally results in a decrease in the male rat's preference for females. In this study, the effect of early postnatal estradiol treatment on the partner preferences of female rats was examined as a further test of the hypothesis that male-typical partner preference is dependent upon early exposure to estrogens. Our principal finding was that increased postnatal estradiol exposure during development affected partner preference in the expected direction, and this effect was seen under several adult hormonal and behavioral testing conditions. Female rats that received exogenous estradiol during development spent more time with an estrous female and less time with a sexually active male than did cholesterol treated females. The estradiol treatment also disrupted normal female sexual behavior, receptivity, and proceptivity.
journal_name
Horm Behavjournal_title
Hormones and behaviorauthors
Henley CL,Nunez AA,Clemens LGdoi
10.1016/j.yhbeh.2008.08.009subject
Has Abstractpub_date
2009-01-01 00:00:00pages
68-75issue
1eissn
0018-506Xissn
1095-6867pii
S0018-506X(08)00255-9journal_volume
55pub_type
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journal_title:Hormones and behavior
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