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"Developmental processes"
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Emotion dysregulation: A theme in search of definition
Emotion dysregulation is defined as patterns of emotional experience or expression that interfere with goal-directed activity. This paper considers this functionalist definition from a developmental perspective with the goal of elaborating this approach with respect to its central questions. What are the goals that are impeded by emotionally dysregulated responding, and what alternative goals might motivate emotion dysregulation? What are the developmental processes by which these goals take shape, and what are the influences of the family context, and especially of central relationships in the family, in their emergence? How does this functionalist account address the complex interaction of experience and developing biological processes that also influence emotion regulation and dysregulation? Drawing on research literature concerning children at risk for affective psychopathology and considering relevant examples of the interaction of biology and context, this discussion offers a portrayal of emotion dysregulation as a biologically dynamic, experience-based aspect of adaptation to environments and relationships that, in conditions of risk for the emergence of developmental psychopathology, motivates patterns of emotional responding that serve immediate coping often at the cost of long-term maladaptation. Implications for emotions theory and the study of developmental psychopathology are also considered.
Journal Article
The neuroscience of adolescence
As scientific inquiry and public interest in the adolescent brain grows, so too does the need for an accessible textbook that communicates the growing research on this topic. 'The Neuroscience of Adolescence' is a comprehensive educational tool for developmental cognitive neuroscience students at all levels as it details the varying elements that shape the adolescent brain. Historical notions of adolescence have focused on the significant hormonal changes that occur as one transitions from childhood to adolescence, but new research has revealed a more nuanced picture that helps inform our understanding of how the brain functions across the lifespan. By emphasizing the biological and neurobiological changes that occur during adolescence, this book gives students a holistic understanding of this developmental window and uniquely discusses the policy implications of neuroscience research on the lives of young people today.
Book
Developmental Manifestations of Grief in Children and Adolescents: Caregivers as Key Grief Facilitators
The death of a loved one represents one of the most distressing and potentially traumatic life events in childhood and adolescence. Grief reactions in youth are influenced by ongoing developmental processes and manifest differently depending on the child’s age and developmental stage. These grief-related processes unfold within youths’ caregiving context, as children and adolescents rely heavily on the adults in their environment to navigate and cope with the death of a loved one. Despite the field’s increasing recognition of the potential for maladaptive grief reactions to impede functioning over time, few longitudinal research studies on childhood grief currently exist. In this article, we will (a) provide a brief overview of the childhood bereavement literature; (b) review the new DSM-5 and ICD-11 Prolonged Grief Disorder diagnostic criteria through a developmentally-informed lens; (c) describe how grief reactions manifest in children and adolescents of different ages through the lenses of multidimensional grief theory and relational developmental systems theory; (d) highlight key moderating factors that may influence grief in youth, and (e) discuss a primary moderating factor, the caregiving environment, and the potential mechanisms through which caregivers influence children’s grief.
Journal Article
Bronfenbrenner’s Bioecological Theory Revision
Bronfenbrenner’s bioecological theory of human development is one of the most widely known theoretical frameworks in human development. In spite of its popularity, the notion of culture within the macrosystem, as a separate entity of everyday practices and therefore microsystems, is problematic. Using the theoretical and empirical work of Rogoff and Weisner, and influenced as they are by Vygotsky’s sociocultural perspective, we reconceptualize Bronfenbrenner’s model by placing culture as an intricate part of proximal development processes. In our model, culture has the role of defining and organizing microsystems and therefore becomes part of the central processes of human development. Culture is an ever changing system composed of the daily practices of social communities (families, schools, neighborhoods, etc.) and the interpretation of those practices through language and communication. It also comprises tools and signs that are part of the historical legacy of those communities, and thus diversity is an integral part of the child’s microsystems, leading to culturally defined acceptable developmental processes and outcomes.
Journal Article
Stability of Attachment Style in Adolescence: An Empirical Test of Alternative Developmental Processes
Few studies have examined stability and change in attachment during adolescence. This 5-year longitudinal study (a) examined whether prototype or revisionist developmental dynamics better characterized patterns of stability and change in adolescent attachment (at T1, = 176; Mage = 14.0 years, SD = 0.9), (b) tested potential moderators of prototype-like attachment stability, and (c) compared attachment stability in adolescence to stability in adulthood. The results supported the prototype model, which assumes that there is a stable, enduring factor underlying stability and change in attachment. Exploratory moderation analyses revealed that family conflict, parental separation or divorce, minority status, and male sex might undermine the prototypelike stability of adolescent attachment. Stability of attachment was lower in adolescence relative to adulthood.
Journal Article
Epimutations in Developmental Genes Underlie the Onset of Domestication in Farmed European Sea Bass
Domestication of wild animals induces a set of phenotypic characteristics collectively known as the domestication syndrome. However, how this syndrome emerges is still not clear. Recently, the neural crest cell deficit hypothesis proposed that it is generated by a mildly disrupted neural crest cell developmental program, but clear support is lacking due to the difficulties of distinguishing pure domestication effects from preexisting genetic differences between farmed and wild mammals and birds. Here, we use a farmed fish as model to investigate the role of persistent changes in DNA methylation (epimutations) in the process of domestication. We show that early domesticates of sea bass, with no genetic differences with wild counterparts, contain epimutations in tissues with different embryonic origins. About one fifth of epimutations that persist into adulthood are established by the time of gastrulation and affect genes involved in developmental processes that are expressed in embryonic structures, including the neural crest. Some of these genes are differentially expressed in sea bass with lower jaw malformations, a key feature of domestication syndrome. Interestingly, these epimutations significantly overlap with cytosine-to-thymine polymorphisms after 25 years of selective breeding. Furthermore, epimutated genes coincide with genes under positive selection in other domesticates. We argue that the initial stages of domestication include dynamic alterations in DNA methylation of developmental genes that affect the neural crest. Our results indicate a role for epimutations during the beginning of domestication that could be fixed as genetic variants and suggest a conserved molecular process to explain Darwin’s domestication syndrome across vertebrates.
Journal Article
Multisystemic approaches to researching young people’s resilience: Discovering culturally and contextually sensitive accounts of thriving under adversity
As our understanding of the process of resilience has become more culturally and contextually grounded, researchers have had to seek innovative ways to account for the complex, reciprocal relationship between the many systems that influence young people’s capacity to thrive. This paper briefly traces the history of a more contextualized understanding of resilience and then reviews a social–ecological model to explain multisystemic resilience. A case study is then used to show how a multisystemic understanding of resilience can influence the design and implementation of resilience research. The Resilient Youth in Stressed Environments study is a longitudinal mixed methods investigation of adolescents and emerging adults in communities that depend on oil and gas industries in Canada and South Africa. These communities routinely experience stress at individual, family, and institutional levels from macroeconomic factors related to boom-and-bust economic cycles. Building on the project’s methods and findings, we discuss how to create better studies of resilience which are able to capture both emic and etic accounts of positive developmental processes in ways that avoid the tendency to homogenize children’s experience. Limitations to doing multisystemic resilience research are also highlighted, with special attention to the need for further innovation.
Journal Article
Triarchic conceptualization of psychopathy: Developmental origins of disinhibition, boldness, and meanness
The clinical concept of psychopathy (“psychopathic personality”) is generally considered to entail persistent behavioral deviancy in the company of emotional–interpersonal detachment. However, longstanding debates continue regarding the appropriate scope and boundaries of the concept. Here, we review alternative historic descriptions of the disorder together with empirical findings for the best-established assessment instruments in use with adolescents and youth as a basis for formulating an integrative, triarchic model of psychopathy. The essence of the triarchic model is that psychopathy encompasses three distinct phenotypic constructs: disinhibition, which reflects a general propensity toward problems of impulse control; boldness, which is defined as the nexus of social dominance, emotional resiliency, and venturesomeness; and meanness, which is defined as aggressive resource seeking without regard for others (“dysaffliated agency”). These differing phenotypic components are considered in terms of relevant etiologic and developmental pathways. The triarchic conceptualization provides a basis for reconciling and accommodating alternative descriptive accounts of psychopathy, and a framework for coordinating research on neurobiological and developmental processes contributing to varying manifestations of the disorder.
Journal Article
Nonlinear Growth Curves in Developmental Research
Developmentalists are often interested in understanding change processes, and growth models are the most common analytic tool for examining such processes. Nonlinear growth curves are especially valuable to developmentalists because the defining characteristics of the growth process such as initial levels, rates of change during growth spurts, and asymptotic levels can be estimated. A variety of growth models are described beginning with the linear growth model and moving to nonlinear models of varying complexity. A detailed discussion of nonlinear models is provided, highlighting the added insights into complex developmental processes associated with their use. A collection of growth models are fit to repeated measures of height from participants of the Berkeley Growth and Guidance Studies from early childhood through adulthood.
Journal Article