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This is considered to be neuromarketing in it's most basic form. The study of how we respond to adverts and products at a neurological level. In research in this area volunteers have their brain activity monitored via brain scanners whilst being exposed to marketing media to measure their response. The ability to understand how the inner workings of the brain processes images and messages and reaches decisions potentially gives marketers a new tool to fine-tune ads and marketing campaigns, bolster and extend brands and design better products. Marketers’ use of neuroscience technologies has alarmed some consumer groups who fear that it could lead to the discovery of an 'inner buy button', which, when pressed, would turn us into automated shoppers. Such fears spring from the increase in marketing-related problems such as pathological gambling, obesity and Type 2 diabetes.