This study explores physical attractiveness through a characteristic of the body: the ratio between the waist and the hip of women. Simultaneously, cerebral activity will be measured through electroencephalography. The waist-to-hip ratio (WHR) has not been chosen arbitrarily. Indeed, attractiveness ratings in behavioral studies show that a WHR of 0.7 is almost universally chosen as the most attractive. This ratio is also correlated with higher fertility and better health in women. It is part of “dimorphic characteristics”, which is what differentiates women's bodies from men's...