Kovacs G, Gulyas B, Savic I, Perrett DI, Cornwell RE, Little AC, Jones BC, Burt DM, Gal V & Vidnyanszky Z (2004). Smelling human sex hormone-like compounds affects face gender judgment of men. Neuroreport, 15: 1-4.

Although strong cross-sensory interactions between visual, tactile and auditory modalities have already been shown, we know little about how chemosensory information affects processing in other sensory modalities. We studied whether smelling gender-specifc odorous sex hormone-like steroids: 5-a-androgenst-16-en-3-one (androgen) or oestra-1,3,5(10),16-tetraen-3-ol (estrogen) can bias face gender discrimination. We found that, as a result of inhalation of androgen, men perceive faces to be more masculine as compared to when they are exposed to estrogen. Our results provide evidence for specifc cross-sensory effects of the gender-specifc chemosensory cues on the categorization of visual face gender.

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