Efectos Neurobiológicos del Maltrato Infantil y otras Experiencias Adversas de la Infancia: Una Revisión Bibliográfica
Resumen
Introducción. El maltrato infantil (MI) es un problema grave que experimenta un tercio de la población mundial. Está asociado a un patrón de desarrollo alterado que configura las condiciones para el establecimiento de distintas psicopatologías. Se ha generado una vasta bibliografía que reporta cambios en todos los niveles de la neurobiología de quien experimenta MI u otras Experiencias Adversas en la Infancia (EAI), sin embargo, son pocos los trabajos que integran estos hallazgos. Objetivo. Revisar publicaciones que reporten cambios asociados a EAI desde el nivel genético hasta la función cerebral. Resultados. Se encontraron reportados cambios asociados al MI en: la metilación del ADN, especialmente en genes relacionados a la respuesta al estrés; la morfología y la función de las células del sistema nervioso; el volumen de la amígdala, el hipocampo, la corteza frontal y otras regiones cerebrales; e hiper o hipofuncionalidad de distintas redes cerebrales y neuroendócrinas, principalmente las asociadas al procesamiento de estímulos emocionales, en las conductas sociales y otros procesos cognitivos. Conclusión. Conocer las consecuencias de las EAI en distintas escalas de la neurobiología permite una comprensión profunda del fenómeno y nos acerca a explicar su relación con la psicopatología infantil y adulta. El MI y otras EAI se asocian a cambios en todos los niveles de la neurobiología de quien las experimenta, esto evidencia la gravedad y trascendencia de este problema de salud mental.
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