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Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
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Updated: Sep 10, 2025

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Explorando la interacción de la flexibilidad semántica y ejecutiva en el cambio de tareas

Giada Viviani1, Irene Di Pietro2, Erin M Buchanan3

  • 1Department of Developmental Psychology and Socialisation, University of Padova, Via Venezia 8, Padova, 35131, IT, Italy.

Scientific reports
|August 27, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Este estudio revela que la flexibilidad cognitiva, crucial para adaptarse a las tareas cambiantes, implica tanto el control ejecutivo como el semántico. Un mecanismo compartido subyace a estas habilidades, aunque el procesamiento semántico tiene influencias lingüísticas únicas.

Palabras clave:
El control cognitivoFlexibilidad cognitivaControl ejecutivoConocimiento semánticoControl semánticoCambio de tareas

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Área de la Ciencia:

  • Psicología cognitiva
  • La neurociencia
  • La lingüística

Sus antecedentes:

  • La flexibilidad cognitiva, una función ejecutiva clave, permite la adaptación del comportamiento a las demandas cambiantes de la tarea.
  • Si bien la flexibilidad ejecutiva está bien estudiada, la flexibilidad semántica - el cambio entre los significados de los conceptos - es menos comprendida.
  • La investigación existente a menudo utiliza paradigmas de conmutación de tareas para evaluar el control ejecutivo.

Objetivo del estudio:

  • Introducir y validar un nuevo paradigma de intercambio de tareas semánticas.
  • Para comparar directamente la flexibilidad ejecutiva y semántica.
  • Investigar la interacción y los mecanismos compartidos entre la flexibilidad ejecutiva y semántica.

Principales métodos:

  • Desarrolló un nuevo paradigma de conmutación de tareas semánticas.
  • Empleó un paradigma de conmutación de tareas visuoespacial para medir la flexibilidad ejecutiva.
  • Se realizaron dos experimentos de comportamiento con participantes humanos.

Principales resultados:

  • Se observaron costos de cambio significativos tanto en la tarea ejecutiva como en la semántica.
  • Se encontró una correlación moderada a fuerte entre las medidas de flexibilidad ejecutiva y semántica.
  • El rendimiento semántico fue modulado por las propiedades lingüísticas y semánticas de los estímulos.

Conclusiones:

  • Los hallazgos apoyan un mecanismo de dominio general para la flexibilidad cognitiva que se adapta a las tareas específicas.
  • La flexibilidad ejecutiva y semántica parecen compartir mecanismos neuronales y cognitivos subyacentes.
  • El control semántico exhibe características únicas influenciadas por factores lingüísticos y conceptuales.