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Description:Cameron, along with Cheryl McCormick from Brock University in Ontario, Canada, tested the hypotheses that social stress in adolescence decreases the "attractiveness" of male rats as sexual partners and that dominance status is a protective factor against the effects of social stress, when it comes to finding a sexual partner. The team's main prediction was that females would spend more time with control males than stressed males, and that this bias would be greater for submissive than for dominant rats. The team subjected a group of male rats to social stress during adolescence, forcing the rats to change cage-partners regularly and establish their dominance in a group over and over. The team then placed a female into a mating chamber with one male who was stressed during adolescence and one who wasn't stressed, doing this with dominant and for subordinate rats separatly. Among dominant pairs, female rats preferred the stressed males, spending more time with and visiting them more often. Among submissive pairs, females spent more time with control males than with social stress males.

Views: 8613 Date: 2018-09-21 Favorited: 11