"[...] The study revealed that images of dominant brands, such as the iPod, stimulated the same part of the brain activated by religious symbols. It also found that warning labels on cigarette packages stimulate activity in a brain area associated with craving – despite the fact that subjects said they thought the warnings were effective. The study also found that product placement in movies and television rarely worked and the Nokia tune turns people off."Read the full article:
http://www.publicaffairs.ubc.ca/ubcreports/2009/09apr02/manipulate.html?src=ubcca