03-12-2007, 09:06 AM
Quote: University College London researchers have found the first physiological evidence that invisible subliminal images do attract the brain's attention on a subconscious level. The wider implication for the study, published in Current Biology, is that techniques such as subliminal advertising, now banned in the UK but still legal in the USA, certainly do leave their mark on the brain.
Using fMRI, the study looked at whether an image you aren't aware of ¬-- but one that reaches the retina -- has an impact on brain activity in the primary visual cortex, part of the occipital lobe. Subjects' brains did respond to the object even when they were not conscious of having seen it...
full article: http://www.sciencedaily.com/releases/200...121938.htm