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Medicina (Buenos Aires)
versión impresa ISSN 0025-7680versión On-line ISSN 1669-9106
Resumen
KLIN, Ami. Frontiers in the research of autism pathogenesis. Medicina (B. Aires) [online]. 2022, vol.82, suppl.1, pp.33-36. ISSN 0025-7680.
This review focuses on four interrelated teams and research lines that form the basis for new research on the pathogenesis of autism spectrum disorder (ASD) at the Marcus Autism Center, in Atlanta (US). These themes probe typical social behavior and brain development from birth, and disruptions thereof in babies later diagnosed with ASD. These four themes are: to leverage lifetime maximal neuroplasticity; to test the hypothesis that developmental disruption of early-emerging mechanisms of socialization drives pathogenesis and results in autistic social disability; the focus on the infant-caregiver dyad, and the iterative context associated with mutually reinforcing and adapted social and communitive inter-action, or emerging cycles of social contingency, from the first days and weeks of life; and the study of time-varying neurodevelopmental transitions in social behavior from experience-expectant (reflexive, endogenous) and subcortically-guided to experience-dependent (caregiver- and reward-driven) and cortically-guided, a transition that our work suggests is uniquely disrupted in babies later diagnosed with ASD. This science is opening a world of opportunities to optimize children’s outcomes despite the genetic liabilities that they are born with. It provides the scientific grounding for new community-viable solutions for increasing access to early interventions using treatments that scaffold and strengthen infant-caregiver interactions, which is the platform for early brain development.
Palabras clave : Autism spectrum disorder; Pathogenesis; Neurodevelopment; Neuroplasticity; Socialization.