Cómo el cerebro se reconfigura a sí mismo: neuroplasticidad, memoria y estilo de vida
El cerebro no es un órgano estático: su estructura, conectividad e incluso su tamaño responden de manera mensurable a cómo nos movemos, dormimos, aprendemos y gestionamos el estrés. Comprender los mecanismos que subyacen a la neuroplasticidad abre caminos prácticos y basados en evidencia para preservar y mejorar la función cognitiva a lo largo de la vida.
Creado con IALa idea de que el cerebro adulto es estático, fijado en una arquitectura inamovible tras el desarrollo temprano, ha sido sustancialmente revisada por la investigación en neurociencia. Estructuras que antes se consideraban inmutables pueden crecer o reducirse en respuesta al comportamiento, la nutrición y la práctica mental. Tanto para los clínicos como para los individuos, esto significa que la trayectoria cognitiva no es simplemente una cuestión de genética o envejecimiento, sino que está moldeada de manera significativa por factores cotidianos modificables.
Creado con IAEl hipocampo puede crecer o reducirse según el estilo de vida
El neurólogo Dr. Majid Fotuhi, en conversación con Dave Asprey, sostiene que el hipocampo, el principal centro de memoria del cerebro, es una de las estructuras más plásticas del cerebro adulto. De aproximadamente el tamaño de un pulgar, puede expandirse o contraerse dependiendo de los estímulos que recibe. El Dr. Fotuhi, quien publicó un artículo en Nature identificando más de una docena de factores modificables, señala que un hipocampo más grande se correlaciona con un menor riesgo de Alzheimer, mientras que uno más pequeño se asocia con un deterioro cognitivo más temprano.
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