Impact of nutrition on social decision making

Sabrina Strang, Christina Hoeber, Olaf Uhl, Berthold Koletzko, Thomas F. Munte, Hendrik Lehnert, Raymond J. Dolan, Sebastian M. Schmid, Soyoung Q. Park*

*Corresponding author for this work
2 Citations (Scopus)

Abstract

Food intake is essential for maintaining homeostasis, which is necessary for survival in all species. However, food intake also impacts multiple biochemical processes that influence our behavior. Here, we investigate the causal relationship between macronutrient composition, its bodily biochemical impact, and a modulation of human social decision making. Across two studies, we show that breakfasts with different macronutrient compositions modulated human social behavior. Breakfasts with a high-carbohydrate/protein ratio increased social punishment behavior in response to norm violations compared with that in response to a low carbohydrate/ protein meal. We show that these macronutrient-induced behavioral changes in social decision making are causally related to a lowering of plasma tyrosine levels. The findings indicate that, in a limited sense, "we are what we eat" and provide a perspective on a nutrition-driven modulation of cognition. The findings have implications for education, economics, and public policy, and emphasize that the importance of a balanced dietmay extend beyond themere physical benefits of adequate nutrition.

Original languageEnglish
JournalProceedings of the National Academy of Sciences of the United States of America
Volume114
Issue number25
Pages (from-to)6510-6514
Number of pages5
ISSN0027-8424
DOIs
Publication statusPublished - 20.06.2017

Research Areas and Centers

  • Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)

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