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Procesamiento visotáctil de objetos en la rivalidad binocular: el papel de la congruencia de forma, la acción
Seyoon Song1,2,3, Haeji Shin1,4,5, Chai-Youn Kim1,6,7
1School of Psychology, Korea University, Seoul, Republic of Korea.
Journal of vision
|December 17, 2025
Resumen
La congruencia táctil de la forma ayuda a la percepción visual al reducir la ambigüedad durante la rivalidad binocular. Este efecto intermodal se ve realzado por la ecolocalización espacial, independientemente de si el tacto es activo o pasivo.
Área de la Ciencia:
- Neurociencia Cognitiva
- Psicología de la Percepción
- Interacción Humano-Computadora
Sus antecedentes:
- La ambigüedad perceptual, como la que se observa en la rivalidad binocular, puede resolverse utilizando información multisensorial.
- La integración visotáctil, la combinación de información visual y táctil, desempeña un papel crucial en la desambiguación de la percepción.
Objetivo del estudio:
- Investigar cómo la congruencia de forma visotáctil influye en el dominio perceptual en la rivalidad binocular.
- Examinar los roles de la acción voluntaria (tacto activo frente a pasivo) y la ecolocalización espacial en la integración intermodal.
Principales métodos:
- Los participantes experimentaron rivalidad binocular con objetivos visuales (con púas/redondos) mientras tocaban formas impresas en 3D.
- Los experimentos compararon el tacto activo con el tacto pasivo y las imágenes renderizadas en 3D con videos del mundo real para manipular la ecolocalización.
Principales resultados:
- La congruencia de la forma táctil condujo a un aumento del dominio del objetivo visual correspondiente.
- Este efecto fue más fuerte cuando se promovió la ecolocalización espacial, particularmente con estímulos de video.
- Los beneficios de la congruencia intermodal fueron similares tanto para el tacto activo como para el pasivo.
Conclusiones:
- La congruencia de la forma visotáctil desambigua eficazmente la percepción visual durante la rivalidad.
- La ecolocalización espacial mejora significativamente los beneficios de la integración intermodal.
- Los hallazgos ofrecen información sobre el procesamiento de objetos naturalista y la integración multisensorial.
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