Privación sensorial temprana durante el neurodesarrollo y sus consecuencias cognitivas

Contenido principal del artículo

Juan Felipe Álvarez Restrepo
Lina Vanessa Becerra-Hernández

Resumen

La aparición progresiva de habilidades sensoriales, motoras y cognitivo-afectivas en el humano a lo largo de su desarrollo es un reflejo de cambios fisiológicos que se gestan al interior del sistema nervioso. Dichos cambios hacen parte de procesos dinámicos y dependen, después del nacimiento, de la actividad eléctrica inducida por la experiencia. Considerando lo anterior, el sistema nervioso en desarrollo constituye una especie de protomapa, sobre el que la experiencia moldea características moleculares, neuroquímicas y de conectividad, que se reflejan en las actividades emergentes del sistema. La eviden­cia que soporta la importancia que la influencia experiencial tiene sobre el desarrollo del sistema nervioso viene en aumento. Esta revisión reúne información sobre estudios en modelos biológicos y en humanos sometidos a privación sensorial y ambiental. Se enfatiza en la caracterización de los rasgos cognitivos y sociales.

Palabras clave:
desarrollo sinapsis plasticidad neuronal cognición

Citas

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Detalles del artículo

Biografía del autor/a

Juan Felipe Álvarez Restrepo, Pontificia Universidad Javeriana

Programa de Medicina, Facultad de Ciencias de la Salud, Pontificia Universidad Javeriana. Cali, Colombia.

Lina Vanessa Becerra-Hernández , Pontificia Universidad Javeriana

Programa de Medicina, Facultad de Ciencias de la Salud, Pontificia Universidad Javeriana. Cali, Colombia.

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