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Neural correlates of behavioral preference for culturally familiar drinks.

Neuron | Oct 14, 2004

http://www.ncbi.nlm.nih.gov/pubmed/15473974

Coca-Cola (Coke) and Pepsi are nearly identical in chemical composition, yet humans routinely display strong subjective preferences for one or the other. This simple observation raises the important question of how cultural messages combine with content to shape our perceptions; even to the point of modifying behavioral preferences for a primary reward like a sugared drink. We delivered Coke and Pepsi to human subjects in behavioral taste tests and also in passive experiments carried out during functional magnetic resonance imaging (fMRI). Two conditions were examined: (1) anonymous delivery of Coke and Pepsi and (2) brand-cued delivery of Coke and Pepsi. For the anonymous task, we report a consistent neural response in the ventromedial prefrontal cortex that correlated with subjects' behavioral preferences for these beverages. In the brand-cued experiment, brand knowledge for one of the drinks had a dramatic influence on expressed behavioral preferences and on the measured brain responses.

Pubmed ID: 15473974 RIS Download

Mesh terms: Adult | Brain | Brain Mapping | Carbonated Beverages | Choice Behavior | Consumer Behavior | Culture | Drinking Behavior | Female | Humans | Image Processing, Computer-Assisted | Magnetic Resonance Imaging | Male | Middle Aged | Reward

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Associated grants

  • Agency: NIDA NIH HHS, Id: DA-11723

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