Same-sex gaze attraction influences mate-choice copying in humans.
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Mate-choice copying occurs when animals rely on the mating choices of others to inform their own mating decisions. The proximate mechanisms underlying mate-choice copying remain unknown. To address this question, we tracked the gaze of men and women as they viewed a series of photographs in which a potential mate was pictured beside an opposite-sex partner; the participants then indicated their willingness to engage in a long-term relationship with each potential mate. We found that both men and women expressed more interest in engaging in a relationship with a potential mate if that mate was paired with an attractive partner. Men and women's attention to partners varied with partner attractiveness and this gaze attraction influenced their subsequent mate choices. These results highlight the prevalence of non-independent mate choice in humans and implicate social attention and reward circuitry in these decisions.
Published Version (Please cite this version)10.1371/journal.pone.0009115
Publication InfoYorzinski, Jessica L; & Platt, Michael L (2010). Same-sex gaze attraction influences mate-choice copying in humans. PLoS One, 5(2). pp. e9115. 10.1371/journal.pone.0009115. Retrieved from https://hdl.handle.net/10161/4526.
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Adjunct Professor in the Department of Neurobiology
Our lab tries to understand how the brain makes decisions. We are particularly interested in the biological mechanisms that allow people and other animals to make decisions when the environment is ambiguous or complicated by the presence of other individuals. We use a broad array of techniques, including single neuron recordings, microstimulation, neuropharmacology, eye tracking, brain imaging, and genomics to answer these questions. Our work is motivated by ethology, evolutionary biology, and e
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