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La base neuronal de la toma de decisiones económicas en el juego del ultimátum
Alan G Sanfey1, James K Rilling, Jessica A Aronson
1Center for the Study of Brain, Mind and Behavior, Princeton University, Princeton, NJ 08544, USA.
Science (New York, N.Y.)
|June 14, 2003
Resumen
La neuroeconomía utiliza imágenes cerebrales para estudiar las decisiones económicas. Las ofertas financieras injustas activan las áreas emocionales y cognitivas del cerebro, y las ofertas rechazadas atraen fuertemente los centros emocionales.
Área de la Ciencia:
- La neuroeconomía es la neuroeconomía.
- Neurociencia cognitiva y neurociencia cognitiva.
- Ciencia de la decisión Ciencia de la decisión
Sus antecedentes:
- La neuroeconomía integra la neurociencia y la economía para comprender la toma de decisiones.
- El juego del ultimátum es una tarea económica estándar para estudiar la equidad y la negociación.
Objetivo del estudio:
- Investigar los mecanismos neuronales de la toma de decisiones económicas utilizando el Juego Ultimatum.
- Identificar las regiones cerebrales involucradas en el procesamiento de propuestas económicas justas e injustas.
Principales métodos:
- Se empleó imágenes de resonancia magnética funcional (fMRI).
- Los participantes jugaron el juego del ultimátum, respondiendo a ofertas monetarias justas e injustas.
Principales resultados:
- Las ofertas injustas activan las regiones cerebrales asociadas con la emoción (insula anterior) y la cognición (corteza prefrontal dorsolateral).
- Las ofertas desleales rechazadas mostraron una actividad significativamente mayor en la ínsula anterior, lo que indica una fuerte respuesta emocional.
Conclusiones:
- Los procesos emocionales y cognitivos están involucrados durante la toma de decisiones económicas.
- La ínsula anterior juega un papel crucial en el procesamiento emocional de las propuestas económicas injustas, influyendo en la aceptación o el rechazo.
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