Adolescence as a neurobiological critical period for the development of higher-order cognition

By Bart Larsen, Beatriz Luna. Neuroscience and Biobehavioral Reviews, 2018

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HighlightsWe propose a critical period model of adolescent neurocognitive development.Critical period mechanisms refine and stabilize association cortex development.The development of the dopamine system may act as a critical period trigger.Our model provides a framework for normative development and psychopathology. Abstract The transition from adolescence to adulthood is characterized by improvements in higher‐order cognitive abilities and corresponding refinements of the structure and function of the brain regions that support them. Whereas the neurobiological mechanisms that govern early development of sensory systems are well‐understood, the mechanisms that drive developmental plasticity of association cortices, such as prefrontal cortex (PFC), during adolescence remain to be explained. In this review, we synthesize neurodevelopmental findings at the cellular, circuit, and systems levels in PFC and evaluate them through the lens of established critical period (CP) mechanisms that guide early sensory development. We find remarkable correspondence between these neurodevelopmental processes and the mechanisms driving CP plasticity, supporting the hypothesis that adolescent development is driven by CP mechanisms that guide the rapid development of neurobiology and cognitive ability during adolescence and their subsequent stability in adulthood. Critically, understanding adolescence as a CP not only provides a mechanism for normative adolescent development, it provides a framework for understanding the role of experience and neurobiology in the emergence of psychopathology that occurs during this developmental period.

Subfields: Cellular and Molecular Neuroscience, Cognitive Neuroscience

View Paper: https://www.semanticscholar.org/paper/b9aaf6719d277968971c9b774b3eea05165b934c

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In Cognitive Neuroscience

  1. Beatriz Luna

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