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jueves, abril 25, 2024
InicioConocimientoCienciaEl ser humano experimento una reducción del cerebro

El ser humano experimento una reducción del cerebro

Desde que la humanidad comenzó a organizarse en civilizaciones complejas, todo un hito en su historia, el cerebro de los humanos verificó un ligero encogimiento que se mide, en promedio y didácticamente, como una reducción equivalente a cuatro pelotas de tenis de mesa, según el antropólogo Jeremy DeSilva, del Dartmouth College en Estados Unidos.

En entrevista con el medio BBC, el experto en antropología, que publicó un reciente análisis de fósiles craneales, detalló que la contracción cerebral de los humanos comenzó hace tan solo 3 mil años.

“Esto es mucho más reciente de lo que esperábamos”, declaró DeSilva, “esperábamos que la cifra fuera algo más cercana a hace 30 mil años”, admitió al comparar este dato con las primeras civilizaciones tecnológicas, surgidas hace unos 5 mil años.

Es que es esa misma pregunta, la que lleva a los especialistas a preguntarse cuánta influencia tiene finalmente el tamaño del cerebro sobre la inteligencia, o la capacidad cognitiva, en términos generales.

Existen muchísimas especies animales con un cerebro mayor en tamaño al de los humanos, aunque, no obstante ello, y desde la perspectiva de la comprensión humana, ninguna es más inteligente que los humanos

Así, la relación entre el tamaño cerebral y la inteligencia, o capacidad cognitiva de los humanos, podría ser en realidad bastante compleja, tanto como conocer los motivos por los que una especie animal verifica la reducción o ampliación de su volumen cerebral.

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