Estimates of the Absolute and Relative Strengths of Diverse Alcoholic Drinks by Young People
In: Substance use & misuse: an international interdisciplinary forum, Band 51, Heft 13, S. 1781-1789
ISSN: 1532-2491
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In: Substance use & misuse: an international interdisciplinary forum, Band 51, Heft 13, S. 1781-1789
ISSN: 1532-2491
In: Alcohol and alcoholism: the international journal of the Medical Council on Alcoholism (MCA) and the journal of the European Society for Biomedical Research on Alcoholism (ESBRA), Band 46, Heft 6, S. 686-693
ISSN: 1464-3502
Pre-electoral surveys typically attempt, and sometimes fail, to predict voting behavior on the basis of explicit measures of agreement or disagreement with a candidate or political position. Here, we assessed whether a specific brain signature of disagreement with one's social values, the event-related potential component N400, could be predictive of voting behavior. We examined this possibility in the context of the EU referendum in the United Kingdom. In the five weeks preceding the referendum, we recorded the N400 while participants with different vote intentions expressed their agreement or disagreement with pro- and against-EU statements. We showed that the N400 responded to statements incongruent with one's view regarding the EU. Crucially, this effect predicted actual voting behavior in decided as well as undecided voters. The N400 was a better predictor of voting choice than an explicit index of preference based on the behavioral responses. Our findings demonstrate that well-defined patterns of brain activity can forecast future voting behavior.
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