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Pheromone-enhanced behavior in sexually inexperienced females

Posted on July 31, 2011 by James Kohl.

Lack of sexual experience does not reduce the responses of LH, estrus or fertility in anestrous goats exposed to sexually active males.

“These results strongly suggest that the sexual physiological state of males is critical to obtain a high response of females exposed to males, overcoming the lack of sexual experience. It seems that the high sexual behavior displayed by males and the high olfactory cues provided (Delgadilo et al., 2002; Rivas-Muñoz et al., 2007; Vielma et al., 2009), enhanced female’s response even in sexually inexperienced ones.”

In my model: An evolved GnRH-driven neurophysiological mechanism that is driven by pheromones during development primes and subsequently drives the LH response, which is associated with behavior. That explanation seems more likely than an automagical response to visual input from the males. Besides, there is no model for how women develop their differences in preferences for the visually appealing physical features of men — unless visual appeal is directly associated with olfactory/pheromonal input.

That explains how we could predict changes in women’s flirtatious behavior after exposure to a mixture of human pheromonesSo, we ignored the differences between women and other female animals and focused on their biologically based similarities.  Androstenol, for example, is known to alter levels of LH in women. Thus, all we needed was a species specific component of the mixture that signaled masculinity to women in the same way masculinity was signaled by the male goats (via its association with levels of androgens, like testosterone).

We’re rather certain that this is what androsterone does, and it explains what we observed: increased flirtatious behavior. I was still somewhat surprised that the women reported they were more attracted to the man when he was wearing the androsterone/androstenol mix. But only because I didn’t think they would notice any increased attraction.

Typically, the behavioral affect is not perceived, so it makes sense that women were not aware of any increased attraction due to the pheromones. Instead, they merely reported on a questionnaire that they were more attracted to the man when he was wearing the mixture (i.e., an unconscious affect).



James Kohl
Retired medical laboratory scientist

James Kohl

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James Kohl owns, and he has published books and award-winning research journal articles about human pheromones. With colleagues he was the first to show that a mixture of human pheromones increases the flirtatious behaviors of women, and increases their level of attraction to the man wearing the mixture - during a real-life social circumstance lasting 15 minutes.

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What is the vomeronasal organ (VNO)?

The vomeronasal organ (VNO) is a cone-shaped organ in the nasal cavity, which is believed to be one of the body's receptors of pheromones. More, specifically, the VNO, which is part of the accessory olfactory system in the nose, does not respond to normal scents, but may detect odorless, barely perceptible pheromones.

Other schools of thought believe that it is not the VNO but rather cells in our main olfactory system and their affects on hormones secreted by the hypothalamus that are responsible for the affects of pheromones.

Learn more about the science behind pheromones here.

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Optimized pheromones are lab-certified pheromone formulations that have the optimum concentration of biologically active pheromones scientifically proven to produce behavior-altering results -- particularly as sexual attractants. Optimized pheromone formulations do not necessarily contain the maximum level of pheromones available on the market, but rather contain the greatest degree (and combination)of human pheromones that trigger a conditioned biological response in humans that, in turn, dictate their sexual behavior. Optimized pheromones also release neurotransmitters that directly modify the behavior of the opposite sex, such as triggering sexual excitement. For example:

Optimized pheromones for men are scientifically proven to bring about an increase in the luteinizing hormone (LH) in women, thereby causing a woman to have a heightened sexual responsiveness to a man. This LH surge elevates a woman's predisposition towards sexual activity.

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