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Associations between peer attachment and neural correlates of risk processing across adolescence.

ABSTRACT: Adolescence is a period of increased risk-taking behavior where individual differences in risk taking may relate to both adverse and positive experiences with peers. Yet, knowledge on how risk processing develops in the adolescent brain and whether this development is related to peer attachment is limited. In this longitudinal functional magnetic resonance imaging (fMRI) study, we collected data from 167 adolescents (53% male) followed for four annual assessments across ages 13-17 years. At each assessment, participants completed a lottery choice task to assess neural risk processing and reported on their perceived attachment to peers and parents. Behaviorally, risk-preference on the lottery choice task decreased linearly with age. Neural activation during risk processing was consistently found in the insula and dACC across the four assessments and increased linearly from ages 13-17 years. Furthermore, higher peer attachment was related to greater right insula risk processing for males but not for females, even after controlling for parental attachment. The magnitudes of this association did not change with age. Findings demonstrate that neural risk processing shows maturation across adolescence and high peer attachment may be associated with low risk taking by heightening neural sensitivity to potential risks for male adolescents.

SUBMITTER: Asscheman JS

PROVIDER: S-EPMC7042418 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Associations between peer attachment and neural correlates of risk processing across adolescence.

Asscheman J Susanne JS Deater-Deckard Kirby K Lauharatanahirun Nina N van Lier Pol A C PAC Koot Susanne S King-Casas Brooks B Kim-Spoon Jungmeen J

Developmental cognitive neuroscience 20200214

Adolescence is a period of increased risk-taking behavior where individual differences in risk taking may relate to both adverse and positive experiences with peers. Yet, knowledge on how risk processing develops in the adolescent brain and whether this development is related to peer attachment is limited. In this longitudinal functional magnetic resonance imaging (fMRI) study, we collected data from 167 adolescents (53% male) followed for four annual assessments across ages 13-17 years. At each ...[more]

PMID: 32452458

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Project description:BACKGROUND:Rates of adolescent obesity and overweight are high. The offspring of overweight parents are at increased risk of becoming obese later in life. Investigating neural correlates of familial obesity risk and current overweight status in adolescence could help identify biomarkers that predict future obesity and that may serve as novel targets for obesity interventions. OBJECTIVE:Our primary aim was to use functional MRI to compare neural responses to words denoting high or low energy density (ED) foods and non-foods, in currently lean adolescents at higher compared with lower familial risk for obesity, and in overweight compared with lean adolescents. Secondary aims were to assess group differences in subjective appetite when viewing food and non-food words, and in objective ad libitum intake of high-ED foods in a laboratory setting. DESIGN:We recruited 36 adolescents (14-19y), of whom 10 were (obese/overweight "overweight"), 16 lean with obese/overweight mothers (lean high-risk, "lean-HR"), and 10 lean with lean mothers (lean low-risk, "lean-LR"). All underwent fMRI scanning while they viewed words representing high-ED foods, low-ED foods, or non-foods, and provided appetitive ratings in response to each word stimulus. They then consumed a multi-item ad libitum buffet meal. RESULTS:Food compared with non-food words activated a distributed emotion/reward system including insula and pregenual anterior cingulate cortex (ACC). Participants who were at increasing risk for obesity exhibited progressively weaker activation of an attentional/regulatory system including dorsolateral prefrontal cortex (PFC), dorsal ACC, and basal ganglia nuclei (activation was greatest in lean-LR, intermediate in lean-HR, and weakest in the overweight group). These group differences were most apparent for neural responses to high-compared with low-ED foods. Lean-HR (compared with lean-LR and overweight) adolescents reported greater desire for high-ED foods. Meal intake was greatest for the overweight, then lean-HR, then lean-LR groups. CONCLUSIONS:Adolescents at higher obesity risk exhibited reduced neural responses to high-ED food cues in a neural system that subserves attention and self-regulation. They also reported heightened appetitive responses to high-ED cues. Interventions that promote the capacity for self-regulation could prevent youth who have a familial predisposition for obesity from translating risk into reality.

Dataset Information

Associations between peer attachment and neural correlates of risk processing across adolescence.

Publications

Associations between peer attachment and neural correlates of risk processing across adolescence.

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