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El papel de la experiencia visual en la percepción espacial háptica: evidencia de personas ciegas tempranas, ciegas
Lara A Coelho1, Daniela E Aguilar Ramirez2, Serena Basta3,4
1Unit for Visually Impaired People (U-VIP), Italian Institute of Technology, Genoa, Italy. lara.coelho@iit.it.
Biology of sex differences
|August 20, 2025
Resumen
La visión es crucial para desarrollar una percepción espacial háptica precisa, y los individuos ciegos tempranos tienen el peor desempeño. Las diferencias sexuales en las habilidades hápticas parecen independientes de la experiencia visual, mostrando una ventaja masculina consistente en todos los grupos.
Área de la Ciencia:
- La neurociencia
- Percepción sensorial
- Factores humanos
Sus antecedentes:
- Existen pruebas contradictorias con respecto al impacto de la experiencia visual en las habilidades hápticas.
- Algunos estudios sugieren que la ceguera deteriora la percepción háptica, mientras que otros informan habilidades mejoradas.
Objetivo del estudio:
- Investigar el papel de la visión en el procesamiento espacial háptico.
- Examinar si la ventaja masculina en las tareas hápticas está mediada por la experiencia visual.
Principales métodos:
- Se reclutaron ciegos tempranos, ciegos tardíos y participantes videntes.
- Administró una tarea espacial háptica que implicaba la identificación de objetos a partir de la exploración táctil y la posterior búsqueda entre distractores.
Principales resultados:
- Los participantes ciegos cometieron más errores que los participantes videntes en la tarea háptica.
- Las personas ciegas tempranas tuvieron un desempeño significativamente peor que los participantes ciegos tardíos y videntes.
- Los machos superaron constantemente a las hembras en todos los grupos de experiencia visual.
Conclusiones:
- La visión es crítica para el desarrollo de una percepción espacial háptica precisa.
- Las diferencias sexuales en la capacidad espacial háptica parecen ser independientes de la experiencia visual.
- Las diferencias de procesamiento espacial háptico pueden ser un aspecto fundamental de la función sensorial humana.
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