Erotic images sell better than pictures of office supplies, and a lot better than photos of hairy spiders. Who knew? Actually, that’s a bit of an oversimplification. Stanford researchers led by neuroeconomics prof Brian Knutson have found that positive images, in this case mildly erotic photos of men and women shown to heterosexual men, stimulate the reward center in the brain and induce the viewers to take greater financial risks than subjects who saw neutral (office supplies) or negative (big spider) images. This effect was purely a priming effect, as all of the images were irrelevant to the subsequent decision. The implications of this work could be broad, impacting such diverse areas as gaming and auto sales. […]