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La relación entre inteligencia, capacidad de memoria de trabajo y velocidad de procesamiento de información durante

Kathrin Sadus1, Anna-Lena Schubert2, Sven Lesche1

  • 1Institute of Psychology, Heidelberg University.

Journal of experimental psychology. General
|January 12, 2026
PubMed
Resumen
Este resumen es generado por máquina.

El vínculo entre la velocidad mental y la inteligencia no se comprende completamente. Este estudio encontró que la velocidad de procesamiento de información durante la codificación de la memoria de trabajo no se correlaciona significativamente con la inteligencia o la capacidad de memoria de trabajo.

Palabras clave:
velocidad de procesamiento de informaciónmemoria de trabajointeligenciacodificaciónneurociencia cognitivapsicologíainvestigación de la inteligencia

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Área de la Ciencia:

  • Neurociencia Cognitiva
  • Psicología
  • Investigación de la Inteligencia

Sus antecedentes:

  • La hipótesis de la velocidad mental sugiere que las diferencias de inteligencia provienen de variaciones en la velocidad de procesamiento de información.
  • Los estudios de tiempo de reacción muestran correlaciones débiles, pero las latencias de los componentes de potencial relacionado con eventos (ERP) revelan vínculos más fuertes (-.49 a -.89).
  • La investigación previa se centró en procesos relacionados con la toma de decisiones, dejando poco clara la función de la velocidad de la memoria de trabajo (WM) no relacionada con la toma de decisiones.

Objetivo del estudio:

  • Investigar si la velocidad de procesamiento de información durante la codificación de la memoria de trabajo (WM) se generaliza a la inteligencia.
  • Examinar la relación entre la velocidad de codificación de la WM, la capacidad de la WM y la inteligencia general.
  • Extender los hallazgos previos incorporando la capacidad de la WM en el marco de la velocidad mental-inteligencia.

Principales métodos:

  • Se recopilaron datos de electroencefalografía (EEG), capacidad de memoria de trabajo (WM) y medidas de inteligencia de 141 participantes.
  • Se analizaron las correlaciones latentes utilizando un modelo latente de estado-rasgo para controlar el error de medición y la varianza situacional.
  • Se centraron en las latencias de los componentes tardíos de ERP como medida de la velocidad de codificación de la WM.

Principales resultados:

  • La velocidad de procesamiento de información durante la codificación de la memoria de trabajo (WM) no mostró una relación significativa con la inteligencia.
  • La velocidad de codificación de la WM tampoco se relacionó significativamente con la capacidad de la WM.
  • Las correlaciones latentes entre la velocidad de codificación de la WM y la inteligencia/capacidad de la WM no fueron significativas.

Conclusiones:

  • La relación entre la velocidad mental y la inteligencia puede no extenderse a la velocidad de codificación de la memoria de trabajo.
  • Los hallazgos sugieren que el vínculo entre la velocidad mental y la inteligencia podría ser específico de ciertos procesos cognitivos, posiblemente la toma de decisiones.
  • Se necesita más investigación para identificar los factores que influyen en la relación entre la velocidad mental y la inteligencia, particularmente en lo que respecta a la memoria de trabajo.