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El papel del contexto en la continuidad y segmentación
Shira Baror1,2, Mor Cohen3, Nofar Haik3
1Edmond and Lily Safra Center for Brain Sciences, Hebrew University of Jerusalem, Jerusalem, Israel. baror.shira@gmail.com.
Nature human behaviour
|February 11, 2026
Resumen
La experiencia humana implica continuidad y segmentación. Este estudio encontró que los cambios contextuales afectan tanto a la dependencia serial (SD) como a la memoria, pero sus patrones distintos sugieren mecanismos subyacentes potencialmente separados.
Área de la Ciencia:
- Psicología Cognitiva Psicología cognitiva.
- La neurociencia es la neurociencia.
- La percepción humana es la percepción humana.
Sus antecedentes:
- La experiencia humana integra perfectamente el flujo continuo con la segmentación de eventos discretos.
- La relación entre la dependencia en serie (SD), un sesgo hacia las decisiones previas, y la segmentación de eventos sigue sin estar clara.
- Un marco bayesiano sugiere un mecanismo de codificación predictiva común para ambos fenómenos.
Objetivo del estudio:
- Para investigar la interacción entre la dependencia serial (SD) y los efectos de la segmentación de eventos en la memoria.
- Determinar si los cambios contextuales que influyen en los límites de los eventos afectan el SD y la memoria de manera similar o distinta.
- Para probar la hipótesis de un mecanismo subyacente compartido frente a influencias separadas en la percepción y la memoria.
Principales métodos:
- Se llevaron a cabo tres experimentos con 816 participantes.
- Cambios contextuales manipulados para crear límites de eventos.
- Se midió la dependencia en serie (SD) y los efectos de memoria relacionados con la segmentación.
Principales resultados:
- Tanto la dependencia en serie (SD) como la memoria son sensibles a los límites de eventos inducidos por el contexto.
- Los límites contextuales pueden reducir la SD, incluso sin cambios sensoriales.
- Se observaron patrones disociables en la forma en que los límites afectan a la SD y la memoria, inclinándose hacia mecanismos distintos.
Conclusiones:
- El contexto juega un papel importante en la configuración tanto de la dependencia serial como de la memoria.
- Los hallazgos sugieren que, si bien están relacionados, la percepción (SD) y la segmentación de la memoria pueden depender de mecanismos parcialmente distintos.
- Se necesita más investigación para aclarar definitivamente la naturaleza compartida o distinta de estos procesos cognitivos.
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