Cited by 342Psychopathy, Forensic Psychiatry, Sexual OffendingAdolescent Sexual and Reproductive HealthChild and Adolescent Psychosocial and Emotional Development

A behavioral scientist looks at the science of adolescent brain development

Open access
Steinberg, Laurence·2010·Brain and Cognition

Abstract

2009 Elsevier Inc. All rights reserved. In a remarkably short period of time – about 10 years, by my estimation – the developmental neuroscience of adolescence has matured from a field in its infancy to one that is now approaching its own adolescence. The papers gathered in this special issue, from some of the world’s leading scholars of adolescent brain development, showcase the richness, depth, and breadth of understanding that now characterizes this area of developmental science. As in any field that is barely a decade old, there remain many mysteries, contradictions, and unknowns. But given the short period of time during which systematic study has been ongoing, there is also a surprising degree of consistency, consensus, and replication. In this brief commentary, I focus on several broad themes that cut across the articles in this collection, both with respect to what we know (or at least have a reasonably good understanding of) and with respect to what we do not know. As a non-neuroscientist with no formal training in the study of brain development, it is beyond my expertise to delve deeply into the technical details of the research described by the contributors to this anthology. Nor is such an analysis necessary; the papers are uniformly clear and written at a level that will both interest other neuroscientists and edify behavioral scientists like myself, who increasingly find themselves needing to know about the neural underpinnings of the psychological and social phenomena they study. My focus in this commentary will be mainly on what these new studies reveal that will be of special interest to those who study adolescent behavioral development. Let me begin with what will surely strike many readers as obvious, but which needs to be said strenuously and incontrovertibly. Taken together, the contributions to this issue demonstrate conclusively that the adolescent’s brain is different from both the child’s brain and the adult’s brain. It is different with respect to both morphology and function, and at the levels of brain structures, regions, circuits, and systems. It is different with respect to grey matter (Gogtay & Thompson, this issue), white matter (Paus, this issue), structural connectivity (Schmithorst & Yuan, this issue; White et al., this issue), and neurotransmission (Doremus-Fitzwater et al., this issue; Wahlstrom et al., this issue). It is different in ways that are revealed in studies of sleep (Feinberg & Campbell, this issue), electrophysiology (Segalowitz et al., this issue), functional imaging (Luna et al., this issue; Somerville et al., this issue), pharmacological challenge (Wahlstrom et al., this issue), and stress reactivity (McCormick et al., this issue). It is different in ways that are consistent with studies of juvenile rodents (Doremus-Fitzwater et al., this issue) and non-human primates (Dahl & Forbes, this issue), and among males as well as females (Lenroot & Giedd, this issue). And it is different in ways that are consistent with the observations of behavioral scientists who study both normative development (Sebastian et al., this issue; Dahl & Forbes, this issue) and developmental psychopathology (Gogtay & Thompson, this issue). I state the obvious here to preemptively respond the claims of some non-neuroscientists that the notion of ‘‘the adolescent brain” is some sort of myth (Epstein, 2007; Males, 2009). As this collection of papers makes eminently clear, the fact that there are significant changes in the brain during adolescence is no longer debatable – if indeed it ever was. Indeed, it appears that the brain changes characteristic of adolescence are among the most dramatic and important to occur during the human lifespan. Whether neurobiological differences between adolescents and adults should inform how society treats young people is open for debate, but whether such differences are real is not (Steinberg, 2009). That said, it is important to note, as several of the contributors to this issue have stated, that ‘‘different” does not necessarily mean ‘‘deficient”; that while there are some universals in adolescent brain development, there are also important individual differences; and that the process of brain maturation in adolescence (or during any period, for that matter) unfolds within an environmental context that influences the course of neural development and moderates its expression in emotion, behavior, and cognition. It is also important to acknowledge that we currently have a better understanding of the ways in which adolescent brain development may contribute to psychopathology and problem behavior than we do of the ways in which it may contribute to normative development and positive functioning, and that researchers have paid more attention to the study of universals and processes of biological maturation than to individual differences and environmental influences. As the field matures, and as collaborations between 0278-2626/$ see front matter 2009 Elsevier Inc. All rights reserved. doi:10.1016/j.bandc.2009.11.003 E-mail address: laurence.steinberg@temple.edu Brain and Cognition 72 (2010) 160–164

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Crossref · 10.1016/j.bandc.2009.11.003

Cites

41 of 41 references verified0 citation errors · 0 not checkable

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Claims the paper makes

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  • Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Impulse control, as measured by self-report and unhurried decision-making on the Tower of London task, shows a linear increase from preadolescence to late adolescence, continuing in some ways into early adulthood.

    “all increase linearly from preadolescence through late adolescence and, in some respects, early adulthood.”
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    • cites Steinberg et al., 2008

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  • Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Many risk behaviors follow this pattern, including unprotected sex, criminal behavior, attempted suicide, and reckless driving.

    “many risk behaviors follow this pattern, including unprotected sex, criminal behavior, attempted suicide, and reckless driving (Steinberg, 2008).”
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  • Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Dopaminergic activity increases during early adolescence in pathways connecting limbic, striatal, and prefrontal areas.

    “Especially important are increases in dopaminergic activity during early adolescence in pathways linking limbic, striatal, and prefrontal areas (Wahlstrom et al., this issue).”
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    • cites Wahlstrom et al., this issue

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  • Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Peer presence leads adolescents to discount delayed rewards more steeply, increasing preference for smaller immediate rewards.

    “the presence of peers leads adolescents to more steeply discount delayed rewards, leading to increased preference for immediate, although smaller, ones (O'Brien & Steinberg, 2010).”
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    • cites O'Brien & Steinberg, 2010

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  • Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Strategic planning, as measured by self-report and Tower of London performance, shows a linear increase from preadolescence to late adolescence, continuing in some ways into early adulthood.

    “all increase linearly from preadolescence through late adolescence and, in some respects, early adulthood.”
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    • cites Steinberg et al., 2009

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    • cites Albert, et al., 2009

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    Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Adolescents are highly responsive to social rewards from positive peer evaluation, and these rewards activate the same brain regions as non-social rewards.

    “there is evidence that adolescents are highly responsive to the social rewards afforded by positive peer evaluation and that such rewards activate the same brain regions as non-social rewards (Guyer et al., 2009).”
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    Findingown data
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Peer presence increases risk taking in adolescents but has no such effect in adults.

    “we have also replicated the earlier finding, but with completely different tasks, showing that the presence of peers increases adolescents' risk taking but has no such effect on adults.”
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    • cites Gardner & Steinberg, 2005 source

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    Findingnone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Prefrontal grey matter density follows an inverted-U trajectory over development, peaking around age 11, earlier in girls and later in boys.

    “the basic notion that the density of prefrontal grey matter follows a ⋂-shaped trajectory over development, with a peak somewhere around age 11 (earlier for girls, later for boys) still finds considerable empirical support”
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    Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    White matter structural maturity correlates with greater, not lesser, risk-taking.

    “structural maturity of white matter is correlated with more, not less, risk-taking.”
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    • cites Berns et al., 2009 source

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    Findingcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Individual differences in susceptibility to peer pressure correlate with structural and functional connectivity differences, linking the development of resistance to peer influence with improved coordination of emotion and cognition.

    “individual differences in individuals' vulnerability to peer pressure are correlated with differences in structural and functional connectivity in ways that link the development of resistance to peer influence to improvements in the coordination of emotion and cognition.”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Grosbras et al., 2007 source

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    • cites Paus et al., 2008

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    Premisecitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    In laboratory paradigms, tasks can be constructed to have equivalent meaning for people of different ages, and performance can be manipulated so that brain functioning is compared with and without equivalent performance.

    “in the lab it is possible to construct tasks that have equivalent meaning to people of different ages and, if necessary, to manipulate performance so that brain functioning can be compared both with and without equivalent performance”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Blakemore et al., this issue

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    • cites Luna et al., this issue

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    Interpretationreasoning
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    The emergent neuroscientific perspective has the potential to structure a new overarching model of normative and atypical adolescent development.

    “has the potential to structure a new, overarching model of normative and atypical adolescent development.”
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    Premisenone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    During adolescence, prefrontal regions show a decrease in grey matter and an increase in white matter.

    “It is now well established that there is a decline in grey matter and an increase in white matter in these regions during adolescence”
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  • Classified as probably not a substantial claim. May combine two claims.

    Interpretationnone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Adolescent brain development includes some universal features but also significant individual differences.

    “while there are some universals in adolescent brain development, there are also important individual differences”
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    Premisenone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Brain maturation continues through adolescence, with some of the most significant changes occurring in prefrontal areas.

    “evidence continues to accumulate that brain maturation continues throughout adolescence, with some of the most significant changes taking place in prefrontal areas.”
    Quote in the paperSubstantial claim
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    Interpretationreasoning
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    At least some adolescent psychopathology is related to abnormalities in pubertal dopaminergic remodeling or in morphological changes of the prefrontal cortex or its connections over adolescence.

    “at least some forms of adolescent psychopathology are related to abnormalities in the remodeling of the dopaminergic system at puberty (which would affect appetitive and affective functioning) or in the morphological changes of the prefrontal cortex or its connections to other brain regions over the course of adolescence (which would affect self-regulation).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Paus et al., 2008

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    • cites Steinberg et al., 2006

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  • Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based).

    Interpretationnone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    The brain changes that characterize adolescence are among the most dramatic and important across the human lifespan.

    “Indeed, it appears that the brain changes characteristic of adolescence are among the most dramatic and important to occur during the human lifespan.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S4 (based).

    Interpretationnone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Brain maturation during adolescence occurs within an environmental context that shapes neural development and moderates how it appears in emotion, behavior, and cognition.

    “the process of brain maturation in adolescence (or during any period, for that matter) unfolds within an environmental context that influences the course of neural development and moderates its expression in emotion, behavior, and cognition.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Heightened brain plasticity in adolescence may increase vulnerability to certain forms of psychopathology, many of which begin or worsen during adolescence.

    “heightened brain plasticity in adolescence may contribute to increased vulnerability to certain forms of psychopathology, many of which begin or intensify during adolescence.”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites McCormick et al., this issue

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    • cites Walker et al., 2004 source

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    Interpretationreasoning
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    The idea that early adolescence brings a dramatic rise in appetitive drive that remains relatively unchecked until self-regulatory systems mature is strikingly similar to the basic Freudian model of adolescence.

    “the basic notion that early adolescence is characterized by a dramatic increase in appetitive drive that remains relatively unchecked until self-regulatory systems mature is eerily similar to the basic Freudian model of adolescence”
    Quote in the paperNot a substantial claim
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    Interpretationcitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    It makes evolutionary sense that adolescents are more motivated by appetitive inclinations, more oriented toward sensation-seeking, and more willing to take risks, given that they must leave the natal environment and seek mates.

    “It makes perfect evolutionary sense that individuals are more motivated by appetitive inclinations, more oriented toward sensation-seeking, and more willing to take risks during adolescence, when they must leave the natal environment and seek out mates (Casey et al., 2008; Spear, 2010; Steinberg, 2008).”
    Quote in the paperNot a substantial claim0 of 3 sources checked
    • cites Casey et al., 2008 source

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    • cites Spear, 2010

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    • cites Steinberg, 2008

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    • Rests on an assumption: Adolescents in ancestral environments had to leave the natal environment and seek mates.
  • Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based).

    Interpretationreasoning
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    The neuroscientific model of adolescence is the first new grand theory of adolescence proposed in the last 50 years.

    “this neuroscientific model of adolescence is the first new “grand theory” of adolescence to be proposed in the last 50 years.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Premisecitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Dopamine is involved in reward anticipation and reward-seeking, and also in motivated action more generally.

    “Dopamine, of course, plays a role in reward anticipation and reward-seeking, but it also has been implicated in motivated action more broadly (Angier, 2009).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Angier, 2009

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  • Classified as probably not a substantial claim.

    Interpretationnone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Current knowledge is greater about how adolescent brain development may contribute to psychopathology and problem behavior than about how it may contribute to normative development and positive functioning.

    “we currently have a better understanding of the ways in which adolescent brain development may contribute to psychopathology and problem behavior than we do of the ways in which it may contribute to normative development and positive functioning”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    The dual systems framework proposes that middle adolescence is a period of heightened vulnerability to risky and reckless behavior because the rapid pubertal rise in dopaminergic activity increases reward-seeking while prefrontal cortex maturation and its connections lag, limiting cognitive control and affect-cognition coordination.

    “posits that middle adolescence is a time of heightened vulnerability to risky and reckless behavior because of the temporal disjunction between the rapid rise in dopaminergic activity around the time of puberty, which leads to an increase in reward-seeking, and the slower and more gradual maturation of the prefrontal cortex and its connections to other brain regions”
    Quote in the paperSubstantial claim0 of 3 sources checked
    • cites Casey et al., 2008 source

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    • cites Dahl, 2004 source

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    • cites Ernst et al., 2006 source

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  • Classified as probably not a substantial claim.

    Interpretationnone given
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Researchers have focused more on universals and biological maturation than on individual differences and environmental influences.

    “researchers have paid more attention to the study of universals and processes of biological maturation than to individual differences and environmental influences.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Oxytocin signaling has been linked to various social functions, such as bonding, recognition, and memory for positive social cues.

    “Oxytocin neurotransmission has been implicated in a variety of social behaviors, including facilitation of social bonding and recognition and memory for positive social stimuli (Insel & Fernald, 2004).”
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    • cites Insel & Fernald, 2004

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    Premisecitation
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Animal research indicates that certain dopaminergic changes during puberty result directly from gonadal hormonal shifts.

    “Animal studies suggest that some of the changes in dopaminergic activity are directly attributable to the hormonal changes of puberty”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Sisk & Foster, 2004 source

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    Interpretationreasoning
    § Commentary: A Behavioral Scientist Looks at the Science of Adolescent Brain Development

    Adolescent behavior is shaped by brain development, but always within a context.

    “Brain development undoubtedly influences adolescents' behavior, but it does so within a context.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: Most discussions of how adolescent brain development relates to behavior overlook the contexts in which adolescents live.
    • Rests on an assumption: How much adolescents engage in risky behavior partly depends on their access to substances and to situations that create risk.
    • Rests on an assumption: Raising the legal drinking age from 18 to 21 reduced alcohol-related driving deaths for reasons unrelated to adolescent brain maturation.
    • Rests on an assumption: More parental monitoring, teen driving limits, or after-school adult supervision would probably lower teen pregnancies, car crashes, and juvenile crime, but not via neurobiological changes.
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  • The paper relies on this without support.

    Adolescents in ancestral environments had to leave the natal environment and seek mates.

    “when they must leave the natal environment and seek out mates”
  • The paper relies on this without support.

    US law prohibits alcohol sales to individuals under 21, which constrains opportunities for binge drinking during middle adolescence.

    “the prohibition of alcohol sales to individuals under 21 in the United States”
  • The paper relies on this without support.

    Studies of adolescent brain development have grown faster than studies of the psychological phenomena that such maturation is presumed to produce.

    “it is ironic that the remarkable increase in research on adolescent brain development during the past decade has outpaced research on the very psychological phenomena that this period of brain maturation presumably causes.”
  • The paper relies on this without support.

    Most psychological studies do not cover the full span from preadolescence through adolescence to early adulthood.

    “few studies typically include an age range spanning preadolescence, adolescence, and early adulthood”
  • The paper relies on this without support.

    Behavioral and self-report research often compares children with adolescents, less often adolescents with adults, and rarely all three age groups together.

    “there are many behavioral and self-report studies that compare children and adolescents, fewer that compare adolescents and adults, and almost none that compare children, adolescent, and adults all at once”
  • The paper relies on this without support.

    Most discussions of how adolescent brain development relates to behavior overlook the contexts in which adolescents live.

    “one element that has been missing from most discussions linking adolescent brain development and behavior is the context in which adolescents live.”
  • The paper relies on this without support.

    How much adolescents engage in risky behavior partly depends on their access to substances and to situations that create risk.

    “the degree to which adolescents engage in risky behavior is in part a function of opportunities to access substances and circumstances that place them at risk.”
  • The paper relies on this without support.

    Raising the legal drinking age from 18 to 21 reduced alcohol-related driving deaths for reasons unrelated to adolescent brain maturation.

    “The reason that the incidence of alcohol-related driving fatalities declined when the legal drinking age was raised from 18 to 21 has nothing to do with changes in the brain development of young people”
  • The paper relies on this without support.

    More parental monitoring, teen driving limits, or after-school adult supervision would probably lower teen pregnancies, car crashes, and juvenile crime, but not via neurobiological changes.

    “increasing parental monitoring, placing restrictions on teen driving, or providing adult supervision during after-school hours would likely reduce teen pregnancies, car crashes, and juvenile crime, but for reasons that have nothing to do with neurobiological development.”
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Authors
Steinberg, L.
Affiliations
Temple University (US)
Corresponding author
Steinberg, Laurence
Venue
Brain and Cognition
Publisher
Elsevier BV
Published
2010-02
Volume
72
Issue
1
Pages
160-164
ISSN
0278-2626 (ISSN-L)
OpenAlex
W1991562335
Cited by
342
References
41
Citations by year
2026: 7 · 2025: 9 · 2024: 8 · 2023: 32 · 2022: 11 · 2021: 12 · 2020: 18 · 2019: 10 · 2018: 23 · 2017: 54 · 2016: 29 · 2015: 28 · 2014: 19 · 2013: 21 · 2012: 32
FWCI
20.91
Type
journal article
Language
en
Open access
Locations
  • Brain and Cognition (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Drug Abuse (R21DA022546)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Psychopathy, Forensic Psychiatry, Sexual Offending
  • Health Sciences › Health Professions › General Health Professions › Adolescent Sexual and Reproductive Health
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
Keywords
problematic sexual behavior, child advocacy centers, adolescent brain development, misunderstanding, multidisciplinary team, child sexual development, evidence-based interventions, professional training needs, child safety
MeSH terms
Adolescent, Behavior, Brain, Environment, Humans, Models, Neurological, Models, Psychological, Risk-Taking, Adolescent Development

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