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Sex differences in running wheel behavior in the rat the inductive and activational effects of gonadal hormones



Sex differences in running wheel behavior in the rat the inductive and activational effects of gonadal hormones



Animal Behaviour 31(2): 378-384



The effect of estradiol benzoate (OB) administration on running-wheel activity was compared in gonadectomized male, female and neonatally androgenized female rats. In the 1st experiment, conducted on 300-400-day-old animals, OB stimulated running-wheel activity of female rats to a significantly greater extent than that of males or neonatally androgenized females. In the 2nd experiment, conducted on 91-day-old rats, females exhibited maximal activity at lower doses of Ob than males. Previous experiments have shown that open-field activity, a putative measure of susceptibility to fear, is subject to group differences in OB responsiveness (i.e. between male, female, androgenized female) which parallel those seen in the present study; gender differences in open-field activity may reflect group differences in general activity rather than male/female differences in emotionality or susceptibility to fear.

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Accession: 006406559

Download citation: RISBibTeXText

DOI: 10.1016/s0003-3472(83)80056-6



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