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La función prefrontal anterior y los límites de la toma de decisiones humanas
Etienne Koechlin1, Alexandre Hyafil
1Institut National de la Santé et de la Recherche Médicale, Département d'Etudes Cognitives, Ecole Normale Supérieure, Université Pierre et Marie Curie, 9, quai Saint Bernard, 75005 Paris, France. koechlin@ccr.jussieu.fr
Science (New York, N.Y.)
|October 27, 2007
Resumen
La corteza frontopolar (FPC) ayuda a manejar múltiples tareas al cambiar entre planes basados en recompensas. Su limitada capacidad sugiere que prioriza los objetivos a largo plazo sobre la toma de decisiones complejas.
Área de la Ciencia:
- La neurociencia es la neurociencia.
- Psicología Cognitiva Psicología cognitiva.
Sus antecedentes:
- La corteza frontopolar (FPC), la parte más anterior de los lóbulos frontales, es crucial para las funciones ejecutivas.
- Los procesos de toma de decisiones en la corteza prefrontal a menudo están limitados por la ejecución en serie de tareas.
Objetivo del estudio:
- Revisar la evidencia empírica sobre el papel del FPC en la gestión de planes de comportamiento concurrentes.
- Para entender cómo el FPC supera las restricciones de serie en el control de tareas.
Principales métodos:
- Revisión de la evidencia empírica sobre la función del FPC.
- Análisis de explicaciones mecanicistas que involucran interacciones de FPC con regiones prefrontales vecinas.
Principales resultados:
- El FPC permite la interposición contingente de dos planes de comportamiento concurrentes basados en expectativas de recompensa.
- Esta función supera la restricción de serie en la ejecución de tareas de la corteza prefrontal.
- La capacidad de FPC es limitada, lo que sugiere una función especializada.
Conclusiones:
- El FPC protege los planes mentales a largo plazo de las demandas ambientales inmediatas.
- Está involucrado en la generación de nuevas secuencias conductuales o cognitivas.
- El FPC es menos adecuado para la toma de decisiones complejas y el razonamiento en comparación con su papel en la gestión de tareas.
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