Sex pheromones, the chemicals some scientists believe waft off the body to help attract sexual partners, are processed differently in the brain depending on our sexuality.
In lesbians, specific brain circuits are engaged when they are exposed to chemicals they found sexually stimulating. Once exposed to this sexually stimulating chemicals, like body odor of a woman, some regions of the lesbians brain will experience the greatest increase in blood flow, a measure of how much they have been stimulated. After sniffing, a region of the lesbian’s brain lit up.
The scent of woman’s perfume is another factor that lesbians found sexually stimulating, besides natural body odor.