class17 - Note: No lecture Wednesday Instead, will hold...

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Note: No lecture Wednesday Instead, will hold office hours during usual class time in Psych East 2829
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Chemical Signals from Men Gangestad & Thornhill (1998): women near fertile window show preferences for odors of more symmetrical men (low FA) Authors speculate that low FA men may have higher androgens and this could produce odor differences Testosterone injections improve odor attractiveness of males in some nonhuman species T condition-dependent: Drops with illness, nutritional stress, subordinate status Castration dramatically reduces odor attractiveness in rodent males, and T injections restore it Supports threshold effect, but is there a relationship across the normal range?
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Ferkin et al. (1994): castrated male meadow voles and then injected them with different doses of testosterone Collected scents from males on glass slides (e.g., rub against specific regions of body) One male’s odor on left end of slide, other male’s odor right end of slide No odor in middle Attached glass slides to wall of female’s cage and recorded in a 3 min. test how long investigated each odor Paired odors of males differing in size of T injections
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Odor Cues of Men’s Testosterone? Rantala et al. (2006): 19 Men wore T-shirts while watching movies in auditorium for 5 hours (wore a “light disposable raincoat on top of their T-shirt”) Men’s testosterone from saliva not correlated with women’s ratings of T-shirts for women tested at any phase of cycle
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AND and Male Chemosignals Last lecture, evidence that testosterone-derived AND (found in men’s sweat) causes activation of hypothalamic nuclei in women’s brains Do women find AND attractive? Does it affect their mating psychology? If so, some evidence that women may detect androgen-dependent pheromones from men
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AND and Men’s Attractiveness Saxton et al. (2008): 3 separate speed dating events: 1 w/ university students (free drink at end), and two through a for-profit company Students told examining effects of odors on social judgments; other two just told would be exposed to various odors Women randomly assigned to have one of 3 compounds applied above upper lip: (1) AND in clove oil, (2) clove oil only, or (3) water Women rated attractiveness of each man they met at speed dating event Can test whether same men rated more attractive by women exposed to AND vs. to the other odors
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class17 - Note: No lecture Wednesday Instead, will hold...

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