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Más allá de los incentivos monetarios: el engaño exhibe patrones neuronales dependientes del contexto en la corteza

Lijun Yin¹, Tianqing Chen¹, Yifan Liu¹

¹Department of Psychology, and Guangdong Provincial Key Laboratory of Social Cognitive Neuroscience and Mental Health, Sun Yat-sen University, Guangzhou 510006, China.

Biological psychology

|February 18, 2026

Resumen

El engaño no es un proceso único; su base neuronal y frecuencia dependen del contexto. Las regiones cerebrales implicadas en la deshonestidad muestran actividad específica del contexto, lo que sugiere roles variados en la toma de decisiones.

Área de la Ciencia:

Neurociencia
Psicología Cognitiva
Psicología Social

Sus antecedentes:

La investigación sobre el engaño a menudo se centra en los incentivos monetarios.
Los factores contextuales influyen significativamente en la toma de decisiones engañosas.

Objetivo del estudio:

Investigar los correlatos neuronales del engaño.
Diferenciar el engaño en función del beneficiario (uno mismo frente a otro) y el incentivo (monetario frente a socioafectivo).

Principales métodos:

Resonancia Magnética Funcional (fMRI)
Nueva tarea de pintura grupal
Análisis de Similitud Representacional (RSA)

Principales resultados:

El comportamiento engañoso alcanzó su punto máximo en contextos monetarios egoístas.
La corteza prefrontal medial (mPFC) mostró una activación específica del contexto.
La activación de la corteza prefrontal dorsolateral (dlPFC) varió según el contexto y la honestidad.
El núcleo caudado respondió selectivamente a contextos monetarios.
Los patrones neuronales codificaron diferencias individuales en la frecuencia del engaño.

Conclusiones:

El engaño depende del contexto, no es un proceso unitario.
El circuito neuronal subyacente al engaño está moldeado por factores situacionales.
Las regiones cerebrales clave exhiben roles funcionales disociables en el engaño en diferentes contextos.

Palabras clave:

núcleo caudado engaño corteza prefrontal dorsolateral corteza prefrontal medial

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