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En mal gusto: evidencia de los orígenes orales del disgusto moral
H A Chapman1, D A Kim, J M Susskind
1Department of Psychology, University of Toronto, Toronto, Ontario M5S 3G3, Canada. hanah@aclab.ca
Science (New York, N.Y.)
|March 3, 2009
Resumen
La repugnancia moral, al igual que la repugnancia por los malos sabores o los contaminantes, activa los músculos faciales involucrados en el rechazo oral. Esto sugiere que la inmoralidad desencadena una respuesta de disgusto primitiva relacionada con la evitación de enfermedades y la aversión al gusto.
Área de la Ciencia:
- Psicología Psicología Psicología.
- La neurociencia es la neurociencia.
- Ciencias del comportamiento Ciencias del comportamiento.
Sus antecedentes:
- El lenguaje común vincula las violaciones morales con el disgusto, lo que sugiere una conexión con las respuestas primitivas de disgusto.
- La evidencia de una base biológica compartida entre el asco moral y el asco primitivo sigue siendo limitada.
Objetivo del estudio:
- Para investigar los orígenes orales primitivos del disgusto moral.
- Para comparar la actividad motora facial durante el disgusto gustativo, básico y moral.
Principales métodos:
- La actividad de los músculos faciales se midió en respuesta a gustos desagradables, imágenes contaminantes y trato injusto en un juego económico.
- Específicamente, se analizó la activación de la región del músculo levator labii.
Principales resultados:
- El disgusto gustativo, la repugnancia básica y la repugnancia moral provocan una activación en la región del músculo levator labii.
- Esta activación muscular es característica de una respuesta de rechazo oral-nasal.
Conclusiones:
- La inmoralidad puede provocar una respuesta de disgusto similar a la provocada por los vectores de enfermedades y los malos gustos.
- Los hallazgos sugieren un posible vínculo evolutivo entre el juicio moral y los mecanismos básicos de disgusto para evitar patógenos.
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