Abstract

Most people act differently with their friends than they do when they are alone. Teens who see their friends make risky choices are more likely to make risky decisions themselves. We wanted to learn how the brain processes information about other peoples’ actions. In our experiment, teens played a game where they chose between a safe gamble and a risky gamble. We separated teens into two groups based on whether they had ever used alcohol, tobacco or other drugs. We used functional magnetic resonance imaging (fMRI) to measure brain activity in some participants. We found that teens who had never used drugs had a stronger response to seeing their peers choose safe gambles. This result shows that positive peer influence can make a difference!

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About this article

Summary of research
Scientists observed adolescents choosing between safer and riskier options in a simple game and found that they were more likely to make safe choices when they saw their peers doing so.
Reading level
Scientific field
Key words
NGSS standards
AP Environmental science topics
IB Biology topics
Scientific methods
Type of figure
Location of research
Scientist Affiliation
Publication date
September 2021

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