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23 Psychol. Pub. Pol'y & L. 410 (2017)
Adolescent Brain Science and Juvenile Justice Policymaking

handle is hein.journals/psypbclw23 and id is 420 raw text is: 



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Adolescent Brain Science and Juvenile Justice Policymaking


                                          Laurence Steinberg
                                            Temple   University


        The  American legal system's thinking about the criminal culpability of juveniles has been radically
        transformed over the past 12 years. largely as a result of the introduction of developmental science into
        the United States Supreme Court's deliberations about the appropriate sentencing of adolescents who
        have been convicted of the most serious crimes. The author examines the role that developmental science,
        and, especially, developmental neuroscience, has played in this policy transformation. After a brief
        overview of the Court's rulings in 4 landmark cases decided between 2005 and 2016, he summarizes the
        relevant psychological and neurobiological evidence that likely guided the Court's rulings. The author
        concludes with suggestions for future research and policy analysis. including (a) the study of develop-
        mental differences between adolescents and adults that have implications for their differential treatment
        under criminal law, with a particular focus on the neural underpinnings of these differences: (b) the study
        of the impact of variations in juvenile justice policy and practice on outcomes other than recidivism; and
        (c) the study of the financial costs and benefits of juvenile justice policy alternatives.

        Keywords: juvenile justice, adolescent brain development, Supreme Court


  This article describes what I believe has been a genuine success
story, one of those rare cases in which scientific research has been
used to create a foundation on  which a radical transformation in
social policies affecting children and youth has been set in motion.
When   this work began, in the late 1990s, juvenile offenders were
being demonized   as super-predators. and our nation's response
to juvenile crime was growing  increasingly harsh. That trend has
clearly reversed, however, and several landmark cases decided by
the United States Supreme  Court in the past 12 years have ensured
that numerous   aspects of this shift will be more  than fleeting
changes  of opinion. The transformation is ongoing, to be sure, and
much  work  remains to be done, but remarkable progress has been
made  in reforming  juvenile justice policy and practice over the
past two decades.

                   Historical   Background

   Few  issues challenge a society's ideas about both the nature of
human   development  and the nature of justice as much as serious



Editor's Note. Elizabeth Cauffman, PhD, served as the action editor for
this submission.-ML


  This article was published Online First April 6, 2017.
  I am grateful to the John D. and Catherine T. MacArthur Foundation for
its generous support of this program of work. Portions of this article draw
on previously published material by the author on the history of juvenile
justice policymaking that appeared in Improving the Odds for Atnerica's
Children: Future Directions for Policy and Practice (Cambridge. MA:
Harvard University Press, 2014) and The influence of neuroscience on
U.S. Supreme Court decisions involving adolescents' criminal culpability
(Nature Reviews Neuroscience, 2013).
  Correspondence concerning this article should be addressed to Laurence
Steinberg, Department of Psychology. Temple University, Weiss Hall,
Philadelphia, PA 19122-6085. E-mail: laurence.steinberg@temple.edu


juvenile crime. Because we  neither expect children to be criminals
nor expect  crimes to be committed   by children, the unexpected
intersection between childhood  and criminality creates a dilemma
that most people find difficult to resolve. Indeed, the only ways out
of this problem are either to redefine the offense as something less
serious than a crime or to redefine the offender as someone who is
not really a child (Steinberg. 2009).
   For most of the 20th century, American  society has most often
chosen  the first approach-redefining  the offense-treating most
juvenile infractions as matters to be adjudicated as delinquent acts
within a separate juvenile justice system designed to recognize the
special needs and immature  status of young people and to therefore
emphasize  rehabilitation over punishment. States believed that the
juvenile justice system  was  a vehicle to protect the public by
providing a system that responds to children who are maturing into
adulthood.  They  recognized that conduct  alone-that  is, the al-
leged criminal act-should  not be dispositive in deciding when to
invoke  the heavy  hand of the adult criminal justice system. By
providing  for accountability, treatment, and supervision  in the
juvenile justice system-and   in the community   whenever  possi-
ble-the  juvenile justice system  promoted  short-term and  long-
term  public safety.
   In the latter decades of the 20th century, as violent youth crime
rates rose, attacks on the juvenile court intensified (Scott & Stein-
berg, 2008). Critics railed at the depiction of young criminals as
children, a characterization that was discordant with media images
of teenage street gangs spreading fear in urban neighborhoods. By
the 1990s  young  offenders became  - super-predators in the pop-
ular imagination, teenage criminals without moral inhibitions who
were  eager to kill and maim those who came  in their paths. Under
the mantra  of adult time for adult crime, young  offenders be-
came  subject to increasingly harsh  punishments, many   of them
administered  by adult criminal courts and sometimes  carried out
within correctional facilities that had been previously reserved for
individuals 18 and older.


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