Journal
CHILD DEVELOPMENT
Volume 89, Issue 3, Pages 797-810Publisher
WILEY
DOI: 10.1111/cdev.13056
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Funding
- European Research Council (ERC) [ERC-2010-StG-263234]
- VENI grants from the Netherlands Science Foundation (NWO) [NWO-VENI 451-10-007, NWO-VENI 451-10-021]
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It was examined how ventral striatum responses to rewards develop across adolescence and early adulthood and how individual differences in state- and trait-level reward sensitivity are related to these changes. Participants (aged 8-29years) were tested across three waves separated by 2years (693 functional MRI scans) in an accelerated longitudinal design. The results confirmed an adolescent peak in reward-related ventral striatum, specifically nucleus accumbens, activity. In early to mid-adolescence, increases in reward activation were related to trait-level reward drive. In mid-adolescence to early adulthood decreases in reward activation were related to decreases in state-level hedonic reward pleasure. This study demonstrates that state- and trait-level reward sensitivity account for reward-related ventral striatum activity in different phases of adolescence and early adulthood. The title for this Special Sectionis The Developing Brain: Evidence for Plasticity during Childhood and Adolescence, edited by Amanda E. Guyer, Koraly Perez-Edgar, and Eveline A. Crone
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