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El canto de la ballena muestra una estructura estadística parecida al lenguaje
Inbal Arnon1, Simon Kirby2, Jenny A Allen3,4
1Psychology Department, Hebrew University, Jerusalem, Israel.
Science (New York, N.Y.)
|February 6, 2025
Resumen
Las canciones de ballenas jorobadas comparten una estructura estadística única con el lenguaje humano, lo que sugiere que la transmisión cultural da forma a la comunicación en diversas especies. Este hallazgo pone de relieve el papel del aprendizaje en el desarrollo de sistemas de comunicación complejos.
Área de la Ciencia:
- La bioacústica
- Comunicación de los animales
- Biología evolutiva
Sus antecedentes:
- El canto de la ballena jorobada es un comportamiento transmitido culturalmente.
- El lenguaje humano exhibe partes estadísticamente coherentes con distribuciones de frecuencia de ley de poder, lo que facilita la transmisión cultural.
- Estas propiedades pueden ser cruciales para la transmisión fiel de información a través de generaciones.
Objetivo del estudio:
- Investigar si el canto de las ballenas jorobadas posee estructuras estadísticas similares al lenguaje humano.
- Explorar el papel de la transmisión y el aprendizaje culturales en la evolución de los sistemas de comunicación.
Principales métodos:
- Métodos aplicados análogos a la segmentación del habla infantil.
- Analizaron 8 años de grabaciones de ballenas jorobadas.
Principales resultados:
- Identificó la misma estructura estadística en el canto de la ballena que se observa en el lenguaje humano.
- Demostró una similitud en los sistemas de comunicación entre dos especies evolutivamente distantes.
Conclusiones:
- La transmisión cultural y el aprendizaje juegan un papel importante en la aparición de propiedades de comunicación complejas.
- Las características anteriormente consideradas únicas del lenguaje humano pueden surgir de presiones evolutivas similares en otras especies.
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