Seat of female libido revealed 22:00 26 June 2006 NewScientist.com news service Andy Coghlan The precise part of the brain likely to be the seat of heterosexual desire in women has been revealed by experiments on mice. The study confirms that the hormone oestrogen is vital for arousal, but only in the specific area of the brain called the ventromedial nucleus (VMN) in the hypothalamus. Sonoko Ogawa of the University of Tsukuba in Japan and her collaborators in the US discovered this by blocking the effects of oestrogen exclusively in that part of the brain in mice. They did this...