Brands contribute in the process of construction of identity (Elliott & Wattanasuwan, 1998) in which we are continuingly evaluating what we possess and by using brands symbols as signal messages that allow our peers to categorize us too (Dittmar & Pepper, 1994) Some studies of neuromarketing have been conducted trying to evaluate the importance of brands: McClure et al. (2004) in a famous study that compared two sodas, Coke with Pepsi, verified how brands serve as culturally-based cues to the process of decision-making, given more importance than sensorial information, and activating
regions like the ventromedial prefrontal cortex (VMPFC) and the dorsolateral prefrontal cortex (DLPFC).