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Monkey Love: Male marmosets think highly of sex

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7:38pm, February 19, 2004

Upon noticing the sexy scent of a female marmoset, a male doesn't pursue her mindlessly, according to a new brain-imaging study. Male marmosets appear to think about—not just react to—what they're getting into, just as people do, the authors suggest.

Functional magnetic resonance imaging (fMRI) pinpoints brain areas of high oxygen consumption, indicating cellular activity. Only recently has fMRI equipment been outfitted for monkeys. Now, scientists are using the technology to see what goes on in the minds of sexually aroused common marmosets.

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