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Adolescent deviant peer clustering as an amplifying mechanism underlying the progression from early substance use to late adolescent dependence / Mark J. VAN RYZIN in Journal of Child Psychology and Psychiatry, 55-10 (October 2014)
[article]
Titre : Adolescent deviant peer clustering as an amplifying mechanism underlying the progression from early substance use to late adolescent dependence Type de document : Texte imprimé et/ou numérique Auteurs : Mark J. VAN RYZIN, Auteur ; Thomas J. DISHION, Auteur Article en page(s) : p.1153-1161 Langues : Anglais (eng) Mots-clés : Substance dependence deviant peer clustering early substance use mediation prevention Index. décimale : PER Périodiques Résumé : Background Early substance use co-occurs with youths' self-organization into deviant peer groups in which substance use is central to social interaction. We hypothesized that the social dynamics of deviant peer groups amplify the risk of progressing from early use to later dependence, and that this influence occurs over and above escalations in use that typically accompany early substance use and membership in deviant groups. Methods Our study used a longitudinal, multimethod dataset consisting of 998 adolescents and their families. Participants were recruited from middle schools in a large metropolitan area in the Pacific Northwest. The sample was 47.3% female and ethnically diverse (42.3% European American, 29.1% African American, and 28.6% other, including biracial). We examined deviant peer clustering as a mediator between early substance use and later dependence, controlling for proximal levels of use, SES, early antisocial behavior, and parental monitoring. Tobacco, alcohol, and marijuana use were assessed at ages 12, 13, and 16–17. Past-year nicotine, alcohol, and marijuana dependence (DSM-IV) was assessed at age 19. Youth and parent reports and observational data were used to assess deviant peer clustering at age 16–17, and youth reported on antisocial behavior and parental monitoring at ages 12 and 13. Results Early substance use predicted increased likelihood of dependence on tobacco, alcohol, and marijuana by late adolescence. Deviant peer affiliation mediated these links, even when accounting for proximal levels of substance use. Conclusions Early substance use not only promotes escalations in use across adolescence but also provides entry into a deviant social context that contributes to increased risk of dependence. Our results emphasize the importance of identifying and intervening in early substance use before it becomes an organizing factor in friendship selection and interaction. Deviant peer clusters are clearly an important avenue for intervention when seeking to interrupt the progression to substance dependence. En ligne : http://dx.doi.org/10.1111/jcpp.12211 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=239
in Journal of Child Psychology and Psychiatry > 55-10 (October 2014) . - p.1153-1161[article] Adolescent deviant peer clustering as an amplifying mechanism underlying the progression from early substance use to late adolescent dependence [Texte imprimé et/ou numérique] / Mark J. VAN RYZIN, Auteur ; Thomas J. DISHION, Auteur . - p.1153-1161.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 55-10 (October 2014) . - p.1153-1161
Mots-clés : Substance dependence deviant peer clustering early substance use mediation prevention Index. décimale : PER Périodiques Résumé : Background Early substance use co-occurs with youths' self-organization into deviant peer groups in which substance use is central to social interaction. We hypothesized that the social dynamics of deviant peer groups amplify the risk of progressing from early use to later dependence, and that this influence occurs over and above escalations in use that typically accompany early substance use and membership in deviant groups. Methods Our study used a longitudinal, multimethod dataset consisting of 998 adolescents and their families. Participants were recruited from middle schools in a large metropolitan area in the Pacific Northwest. The sample was 47.3% female and ethnically diverse (42.3% European American, 29.1% African American, and 28.6% other, including biracial). We examined deviant peer clustering as a mediator between early substance use and later dependence, controlling for proximal levels of use, SES, early antisocial behavior, and parental monitoring. Tobacco, alcohol, and marijuana use were assessed at ages 12, 13, and 16–17. Past-year nicotine, alcohol, and marijuana dependence (DSM-IV) was assessed at age 19. Youth and parent reports and observational data were used to assess deviant peer clustering at age 16–17, and youth reported on antisocial behavior and parental monitoring at ages 12 and 13. Results Early substance use predicted increased likelihood of dependence on tobacco, alcohol, and marijuana by late adolescence. Deviant peer affiliation mediated these links, even when accounting for proximal levels of substance use. Conclusions Early substance use not only promotes escalations in use across adolescence but also provides entry into a deviant social context that contributes to increased risk of dependence. Our results emphasize the importance of identifying and intervening in early substance use before it becomes an organizing factor in friendship selection and interaction. Deviant peer clusters are clearly an important avenue for intervention when seeking to interrupt the progression to substance dependence. En ligne : http://dx.doi.org/10.1111/jcpp.12211 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=239 Annual Research Review: On the developmental neuropsychology of substance use disorders / Patricia J. CONROD in Journal of Child Psychology and Psychiatry, 57-3 (March 2016)
[article]
Titre : Annual Research Review: On the developmental neuropsychology of substance use disorders Type de document : Texte imprimé et/ou numérique Auteurs : Patricia J. CONROD, Auteur ; Kyriaki NIKOLAOU, Auteur Article en page(s) : p.371-394 Langues : Anglais (eng) Mots-clés : Substance use substance dependence brain development adolescence reward processing executive control cognitive control behavioural inhibition fMRI alcohol marijuana cigarette use Index. décimale : PER Périodiques Résumé : Background Adolescence represents a period of development during which critical biological, as well as social and cognitive, changes occur that are necessary for the transition into adulthood. A number of researchers have suggested that the pattern of normative brain changes that occurs during this period not only predisposes adolescents to engage in risk behaviours, such as experimentation with drugs, but that they additionally make the adolescent brain more vulnerable to the direct pharmacological impact of substances of abuse. The neural circuits that we examine in this review involve cortico-basal-ganglia/limbic networks implicated in the processing of rewards, emotion regulation, and the control of behaviour, emotion and cognition. Findings and Conclusions We identify certain neurocognitive and personality/comorbidity-based risk factors for the onset of substance misuse during adolescence, and summarise the evidence suggesting that these risk factors may be further impacted by the direct effect of drugs on the underlying neural circuits implicated in substance misuse vulnerability. En ligne : http://dx.doi.org/10.1111/jcpp.12516 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282
in Journal of Child Psychology and Psychiatry > 57-3 (March 2016) . - p.371-394[article] Annual Research Review: On the developmental neuropsychology of substance use disorders [Texte imprimé et/ou numérique] / Patricia J. CONROD, Auteur ; Kyriaki NIKOLAOU, Auteur . - p.371-394.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 57-3 (March 2016) . - p.371-394
Mots-clés : Substance use substance dependence brain development adolescence reward processing executive control cognitive control behavioural inhibition fMRI alcohol marijuana cigarette use Index. décimale : PER Périodiques Résumé : Background Adolescence represents a period of development during which critical biological, as well as social and cognitive, changes occur that are necessary for the transition into adulthood. A number of researchers have suggested that the pattern of normative brain changes that occurs during this period not only predisposes adolescents to engage in risk behaviours, such as experimentation with drugs, but that they additionally make the adolescent brain more vulnerable to the direct pharmacological impact of substances of abuse. The neural circuits that we examine in this review involve cortico-basal-ganglia/limbic networks implicated in the processing of rewards, emotion regulation, and the control of behaviour, emotion and cognition. Findings and Conclusions We identify certain neurocognitive and personality/comorbidity-based risk factors for the onset of substance misuse during adolescence, and summarise the evidence suggesting that these risk factors may be further impacted by the direct effect of drugs on the underlying neural circuits implicated in substance misuse vulnerability. En ligne : http://dx.doi.org/10.1111/jcpp.12516 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282