Neuromarketing - Ads That Whisper to the Brain

Neuromarketing’s raison d’être derives from the fact that the brain expends only 2 percent of its energy on conscious activity, with the rest devoted largely to unconscious processing. Thus, neuromarketers believe, traditional market research methods — like consumer surveys and focus groups — are inherently inaccurate because the participants can never articulate the unconscious impressions that whet their appetites for certain products.

Neuromarketing - Ads That Whisper to the Brain - NYTimes.com