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El giro frontal inferior es responsable del control cognitivo durante el procesamiento de números de dos dígitos:
Yunfeng He1, Huan Zhang2, Hans-Christoph Nuerk3
1Liaoning Key Laboratory of Psychological Testing and Behavior Analysis, Liaoning University, Shenyang, China; Department of Psychology, University of Tuebingen, Tuebingen, Germany.
NeuroImage
|August 20, 2025
Resumen
El control cognitivo es crucial para entender los números de varios dígitos. Este estudio revela que el control cognitivo involucra principalmente a la corteza frontal, sin afectar directamente a las áreas parietales de procesamiento de números.
Área de la Ciencia:
- La neurociencia
- Psicología cognitiva
- El control cognitivo
Sus antecedentes:
- El procesamiento de números de varios dígitos se basa en el control cognitivo.
- El efecto de compatibilidad unidad-década en la comparación de números está influenciado por la carga cognitiva.
- Investigaciones anteriores sugieren que el control cognitivo puede ser general de dominio (corteza frontal) o específico de dominio (corteza parietal).
Objetivo del estudio:
- Investigar las bases neuronales del control cognitivo en la comparación de números de varios dígitos.
- Determinar si el control cognitivo para el procesamiento numérico es de dominio general o específico.
- Examinar el papel de las cortes frontales y parietales en el efecto de compatibilidad unidad-década.
Principales métodos:
- Se utilizó la espectroscopia funcional del infrarrojo cercano (fNIRS) para medir la actividad cerebral en 80 participantes.
- Las demandas de control cognitivo se manipularon utilizando tareas de comparación de números de dos dígitos con proporciones variables de rellenos dentro de la década.
- El efecto de compatibilidad unidad-década se midió por comportamiento.
Principales resultados:
- Se replicó con éxito el efecto de compatibilidad unidad-década.
- Los datos de fNIRS indicaron una activación significativa en el giro frontal inferior durante la comparación de números de dos dígitos bajo demandas de control cognitivo manipulado.
- No se observó ningún efecto directo en los procesos de magnitud numérica específicos del dominio en la corteza parietal.
Conclusiones:
- El control cognitivo en el procesamiento de números de varios dígitos está asociado principalmente con la corteza frontal.
- Estos hallazgos apoyan un modelo de dominio general de control cognitivo para la cognición numérica.
- La evidencia neurocognitiva sugiere que los procesos de dominio general son clave para el procesamiento de números de varios dígitos.
Palabras clave:
El control cognitivoEl giro frontal inferiorProcesamiento de números de varios dígitosFNIRS (en inglés)Más Videos Relacionados
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