Neural basis of corruption in power-holders.

Area of Science:

• Neuroscience
• Cognitive Science
• Social Science

Background:

• Bribery is a common form of corruption involving a power-holder accepting illicit advantages.
• The neurocomputational underpinnings of bribery decisions remain largely unexplored.
• Moral transgressions are often associated with bribery.

Purpose of the Study:

• To investigate the neural substrates involved in a power-holder's decision to accept or reject a bribe.
• To identify how different types of moral costs influence bribery decisions.
• To explore the role of specific brain regions in processing moral costs and guiding behavior.

Main Methods:

• Model-based functional magnetic resonance imaging (fMRI) was employed to study brain activity.
• Researchers analyzed how anterior insula and right temporoparietal junction encoded moral costs.
• Ventromedial prefrontal cortex and dorsolateral prefrontal cortex roles were examined.

Main Results:

• The anterior insula encoded the cost of conniving with a fraudulent briber.
• The right temporoparietal junction represented harm to a third party.
• Ventromedial prefrontal cortex integrated these moral costs into a value signal.
• Dorsolateral prefrontal cortex guided anti-corrupt behavior when third-party harm was present.

Conclusions:

• Neural mechanisms for moral cost integration in bribery decisions have been identified.
• Specific brain regions are involved in processing different aspects of moral costs.
• Findings provide insights into the neurocomputational basis of corrupt behavior and decision-making.