...The male brain is designed to be more visually responsive to sexual stimuli than the female brain is. Male arousal itself relies on two structures located in the subcortex: the amygdala and the hypothalamus. These are tiny structures that operate without our conscious awareness. The amygdala is responsible for emotional responses. The hypothalamus is the engine of sexual arousal. In studies in which both men and women viewed pornography, the amygdala and the hypothalamus were activated more strongly in men...

...Thirty-seven percent of men preferred viewing erotic pictures and movies, compared with 6 percent of women. Eight percent of men and 21 percent of women were most interested in staying in contact with love or sex partners, and 6 percent of men compared with 9 percent of women preferred reading erotic stories. When men and women are free to search for anything they want behind the anonymity of their computer screen, they don’t just seek out different interests. They also seek out different modes of stimulation. Men prefer to watch; women prefer to read and discuss...

...FUNCTIONS LIKE MISS MARPLE
 All modern women are the fruit of feminine caution. The result of this whittling away of the impulsive branches of our ancestral maternal tree is a female brain equipped with the most sophisticated neural software on earth, a system designed to uncover, scrutinize, and evaluate a dazzling range of informative clues. We’ve dubbed this female neural system the Miss Marple Detective Agency.