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La ilusión del tamaño de la cara es específica para caras completas
Anna Doherty1, Eamonn Walsh2,3, Matthew R Longo1
1School of Psychological Sciences, Birkbeck, University of London, London, UK.
Perception
|February 4, 2026
Resumen
La ilusión del tamaño de la cara, donde las caras erguidas parecen más pequeñas que las invertidas, es específica para caras completas. Esta ilusión no ocurre para partes aisladas de la cara como los ojos, lo que sugiere un procesamiento holístico de la cara.
Área de la Ciencia:
- Neurociencia Cognitiva; Percepción Visual; Percepción de Caras Humanas
Sus antecedentes:
- Se cree que procesos neuronales especializados en el sistema visual sustentan las funciones cognitivas sociales relacionadas con las caras.; La ilusión del tamaño de la cara demuestra que las caras erguidas se perciben como físicamente más pequeñas que las caras invertidas.
Objetivo del estudio:
- Investigar si la ilusión del tamaño de la cara es específica para caras completas o si también ocurre para partes aisladas de la cara.; Explorar los mecanismos neurocognitivos que subyacen a la percepción humana de la cara.
Principales métodos:
- Replicación de la ilusión del tamaño de la cara utilizando caras completas.; Prueba de la ilusión del tamaño de la cara con partes aisladas de la cara (narices, bocas, ojos).
Principales resultados:
- La ilusión del tamaño de la cara se replicó claramente para caras completas.; No se encontró una ilusión comparable para narices, bocas u ojos aislados.; Se observó una ilusión en la dirección opuesta para ojos aislados.
Conclusiones:
- La ilusión del tamaño de la cara es específica del procesamiento holístico de las caras como unidades enteras.; El procesamiento localizado de partes individuales de la cara no provoca la ilusión del tamaño de la cara.; Los hallazgos respaldan la noción de mecanismos neurocognitivos especializados para la percepción de caras completas.
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