Peers influence adolescent reward processing, but not response inhibition

Cognitive, Affective & Behavioral Neuroscience
Ashley R SmithJason M Chein

Abstract

Most adolescent risk taking occurs in the presence of peers. Prior research suggests that peers alter adolescents' decision making by increasing reward sensitivity and the engagement of regions involved in the processing of rewards, primarily the striatum. However, the potential influence of peers on the capacity for impulse control, and the associated recruitment of the brain's control circuitry, has not yet been adequately examined. In the current study, adolescents underwent functional neuroimaging while they completed interleaved rounds of risk-taking and response-inhibition tasks. Social context was manipulated such that the participants believed they were either playing alone and unobserved, or watched by an anonymous peer. Compared to those who completed the tasks alone, adolescents in the peer condition took more risks during the risk-taking task and exhibited relatively heightened activation of the striatum. Activity within this striatal region also predicted individual differences in overall risk taking. In contrast, the presence of peers had no effect on behavioral response inhibition and had minimal impact on the engagement of typical cognitive control regions. In a subregion of the anterior insula engaged mutually ...Continue Reading

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Citations

Jan 24, 2020·Frontiers in Behavioral Neuroscience·Leslie TricocheMartine Meunier
May 12, 2020·Frontiers in Psychology·Ezequiel MercurioJosé M Muñoz
Jun 11, 2019·Frontiers in Behavioral Neuroscience·Michele MorningstarEric E Nelson
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Jul 28, 2020·Developmental Cognitive Neuroscience·Rui PeiEmily B Falk
May 8, 2021·Neuroscience·Sabina BaltruschatAndrés Catena
Aug 8, 2021·Developmental Cognitive Neuroscience·Teena WilloughbyLouis Schmidt
Jul 2, 2021·Developmental Science·Paul B SharpEva H Telzer

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