Self-Controlled Choice Arises from Dynamic Prefrontal Signals That Enable Future Anticipation

Area of Science:

• Neuroscience
• Decision Science
• Cognitive Psychology

Background:

• Self-control is crucial for future reward attainment but the neural basis of its formation is unclear.
• Understanding how preferences for self-controlled choices develop is essential for behavioral science.

Purpose of the Study:

• To investigate the neural mechanisms underlying the formation of self-controlled choice preferences.
• To identify brain regions and activity patterns associated with anticipating future rewards in self-controlled individuals.

Main Methods:

• Functional magnetic resonance imaging (fMRI) was used to measure brain activity during an intertemporal choice task.
• Participants performed forced-choice trials awaiting delayed rewards and free-choice trials making reward selections.
• Brain activity was analyzed while participants anticipated rewards and during reward consumption.

Main Results:

• The anterior prefrontal cortex (aPFC) tracked a dynamic signal of anticipated reward pleasure during reward anticipation, specifically in self-controlled individuals.
• Stronger negative coupling between the aPFC and ventral striatum (VS) was observed in self-controlled individuals.
• Reduced VS activity during reward consumption predicted subsequent self-controlled choices.

Conclusions:

• A coordinated prefrontal-striatal mechanism during reward experience shapes preferences for future self-controlled choices.
• The anterior prefrontal cortex plays a key role in forming self-controlled preferences by tracking anticipated reward pleasure.
• Neural activity in the prefrontal cortex during anticipation is critical for guiding future choice behavior.