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Los eventos en ubicaciones predichas se expanden en el tiempo
Shamini Warda1,2, Azizuddin Khan3
1Psychophysiology Laboratory, Department of Humanities & Social Sciences, Indian Institute of Technology Bombay, Powai, Mumbai, India.
Psychonomic bulletin & review
|February 25, 2026
Resumen
Predecir la ubicación de un evento puede alterar su duración aparente. Los eventos en ubicaciones predichas se perciben como más largos, posiblemente debido a mecanismos de atención que influyen en la percepción de la duración.
Área de la Ciencia:
- Psicología cognitiva
- Neurociencia
- Ciencia de la percepción
Sus antecedentes:
- La duración percibida está influenciada por la predecibilidad del evento.
- Investigaciones previas se centraron en la predicción de identidad, no en la predicción de ubicación.
- Los movimientos oculares son cruciales para comprender los procesos perceptivos.
Objetivo del estudio:
- Investigar el impacto de las predicciones basadas en la ubicación en la duración percibida.
- Explorar el papel de los movimientos oculares en este fenómeno.
- Elucidar los mecanismos atencionales subyacentes.
Principales métodos:
- Seguimiento concurrente de los movimientos oculares durante la percepción del evento.
- Control de los movimientos oculares pre-estímulo para aislar los efectos.
- Análisis de la duración de la fijación, la amplitud de sacádica y el tamaño de la pupila.
Principales resultados:
- Los eventos en ubicaciones predichas se percibieron como de mayor duración.
- Mayor sensibilidad a eventos no predichos cuando se controlaron los movimientos oculares.
- La duración de la fijación más larga y la amplitud de sacádica más pequeña se correlacionaron con la expansión de la duración percibida.
- Aumento del tamaño de la pupila después del desplazamiento del objetivo en condiciones predichas.
Conclusiones:
- La predecibilidad basada en la ubicación expande la duración percibida del evento.
- Los mecanismos atencionales, reflejados en los patrones de movimiento ocular y la respuesta pupilar, probablemente subyacen a este efecto.
- Las métricas de movimiento ocular y el tamaño de la pupila sirven como indicadores confiables de los procesos atencionales que influyen en la percepción del tiempo.
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