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Tocar materiales blandos ralentiza el procesamiento visual afectivo
Achille Pasqualotto1,2,3, Utek Leong1,4, Ryo Kitada1,5
1School of Social Sciences, Nanyang Technological University, Singapore, Singapore.
Frontiers in psychology
|December 12, 2025
Resumen
La percepción táctil influye en la velocidad del procesamiento visual afectivo. Tocar materiales blandos ralentizó las calificaciones de las palabras emocionales, lo que sugiere que el tacto afecta la forma en que percibimos emocionalmente los estímulos visuales.
Área de la Ciencia:
- Psicología
- Neurociencia
- Ciencia Cognitiva
Sus antecedentes:
- La integración multisensorial entre los sistemas táctil y visual está bien establecida para tareas cognitivas como el reconocimiento de objetos.
- El impacto de las interacciones multisensoriales en el procesamiento afectivo (emocional) sigue siendo menos comprendido.
- Este estudio investiga cómo la entrada táctil modula la evaluación emocional de los estímulos visuales.
Objetivo del estudio:
- Examinar la influencia de la percepción táctil en el procesamiento afectivo de los estímulos visuales.
- Determinar si la entrada táctil afecta la velocidad o la precisión de las calificaciones de valencia emocional.
- Diferenciar el efecto de la entrada táctil en el procesamiento visual afectivo frente al semántico (cognitivo).
Principales métodos:
- Se llevaron a cabo dos experimentos utilizando cauchos de uretano de diferente cumplimiento (duro vs. blando) y palabras presentadas visualmente.
- Los participantes calificaron la valencia afectiva de las palabras mientras tocaban diferentes texturas.
- Un segundo experimento evaluó las calificaciones de abstracción para distinguir el procesamiento afectivo del cognitivo.
Principales resultados:
- Tocar un estímulo blando ralentizó significativamente el tiempo de reacción para las calificaciones de valencia afectiva de palabras visuales.
- La manipulación táctil no alteró las calificaciones de valencia en sí mismas.
- Las calificaciones de abstracción (procesamiento semántico) no se vieron afectadas por los estímulos táctiles.
Conclusiones:
- La percepción táctil influye en la velocidad del procesamiento visual afectivo.
- Un mecanismo de atención puede subyacer al efecto observado del tacto en la percepción emocional.
- Esto resalta una nueva vía a través de la cual la entrada somatosensorial modula las respuestas emocionales a la información visual.
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