Las transiciones más lentas entre los estados de control conducen a reducciones en la flexibilidad cognitiva durante
bioRxiv : the preprint server for biology
|September 5, 2025
Resumen
Los adultos mayores muestran inflexibilidad cognitiva debido a transiciones más lentas entre estados de control cognitivo. Esta desaceleración relacionada con la edad afecta el rendimiento de las tareas cuando los objetivos cambian rápidamente, destacando la dinámica cognitiva en el envejecimiento.
Área de la Ciencia:
- La neurociencia cognitiva
- Gerontología
- Psicología computacional
Sus antecedentes:
- El envejecimiento está relacionado con el deterioro cognitivo, afectando las tareas de la vida diaria.
- La flexibilidad cognitiva, la capacidad de cambiar estados mentales, es crucial pero mal entendida en los adultos mayores.
- La inflexibilidad cognitiva relacionada con la edad puede deberse a dificultades para cambiar las configuraciones de control cognitivo.
Objetivo del estudio:
- Investigar el modelo de sistemas dinámicos de la inflexibilidad cognitiva relacionada con el envejecimiento.
- Para determinar si las transiciones más lentas entre los estados de control cognitivo contribuyen a la inflexibilidad relacionada con la edad.
- Probar tres fuentes potenciales de reducción de la flexibilidad cognitiva en adultos mayores: capacidad, rango de ajuste y velocidad de transición.
Principales métodos:
- Los participantes a lo largo de la vida realizaron una tarea cognitiva con diferentes objetivos de rendimiento.
- El modelado computacional se utilizó para medir los cambios dinámicos en las configuraciones de control cognitivo.
- Se evaluaron las diferencias relacionadas con la edad en la capacidad de control, el rango de ajuste y la velocidad de transición.
Principales resultados:
- La inflexibilidad cognitiva de los adultos mayores se asoció principalmente con transiciones más lentas entre los estados de control.
- La edad no afectó significativamente la capacidad de control o el rango de ajustes de control.
- Cuando las metas cambian con frecuencia, los adultos mayores muestran transiciones más lentas, lo que lleva a un rendimiento inferior.
Conclusiones:
- La desaceleración de las transiciones de estado de control cognitivo es un mecanismo clave subyacente a la inflexibilidad cognitiva relacionada con la edad.
- La dinámica cognitiva, específicamente la velocidad de transición, es crítica para comprender el envejecimiento cognitivo.
- Los hallazgos enfatizan la importancia de los procesos dinámicos sobre las reducciones estáticas de la capacidad para explicar los cambios cognitivos en la edad adulta.
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