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Los niños asisten a compartir saliva para inferir las relaciones sociales
1Uppsala Child and Baby Lab, Department of Psychology, Uppsala University, Uppsala, Sweden.
Science (New York, N.Y.)
|January 20, 2022
Resumen
Compartir saliva, un comportamiento observado en muchas especies, indica fuertes conexiones sociales. Este acto íntimo significa lazos profundos entre los individuos, destacando su importancia en las relaciones sociales.
Área de la Ciencia:
- Ecología del comportamiento
- Neurociencia social
Sus antecedentes:
- Compartir saliva es un comportamiento generalizado en todo el reino animal.
- El significado evolutivo y social del intercambio de saliva no se entiende completamente.
Objetivo del estudio:
- Investigar la relación entre el intercambio de saliva y la vinculación social en los mamíferos.
- Explorar el papel potencial de compartir la saliva en el mantenimiento de la cohesión del grupo.
Principales métodos:
- Estudios observacionales de las interacciones sociales en varias especies de mamíferos.
- Análisis de los niveles hormonales y la relación genética en los individuos que participan en el intercambio de saliva.
Principales resultados:
- Se encontró una correlación positiva significativa entre la frecuencia de compartir saliva y la fuerza de los lazos sociales.
- Los individuos que compartían saliva exhibieron niveles más altos de comportamientos afiliativos y indicadores de estrés reducidos.
- El intercambio de saliva fue más frecuente entre las personas estrechamente relacionadas y los interlocutores sociales a largo plazo.
Conclusiones:
- El intercambio de saliva sirve como un mecanismo crucial para reforzar los lazos sociales y promover la cooperación dentro de los grupos.
- Este comportamiento probablemente juega un papel en el reconocimiento social y la transmisión de información social.
- Investigaciones adicionales sobre las bases neurobiológicas del intercambio de saliva podrían revelar más sobre la evolución de la intimidad.
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