Neural mechanisms supporting flexible performance adjustment during development.

Area of Science:

• Neuroscience
• Developmental Psychology
• Cognitive Science

Background:

• Effective feedback processing is vital for adapting performance to changing task demands.
• Understanding the neural basis of feedback processing across development is crucial for explaining cognitive maturation.

Purpose of the Study:

• To investigate developmental differences in brain regions involved in processing positive and negative feedback.
• To examine the maturation trajectories of specific brain regions during feedback processing.

Main Methods:

• Event-related fMRI was used to study feedback processing in children (8-11 years), adolescents (14-15 years), and adults (18-24 years).
• Participants completed a rule-switch task similar to the Wisconsin Card Sorting Task, with analyses focused on responses to different feedback types.

Main Results:

• All age groups showed greater activation in lateral orbitofrontal cortex (OFC), anterior cingulate cortex (ACC), dorsolateral prefrontal cortex (DLPFC), and superior parietal cortex for negative versus positive feedback.
• The OFC showed adult-like function by 8-11 years, while the parietal cortex was adult-like by 14-15 years.
• DLPFC and ACC regions continued to develop beyond 14-15 years, indicating ongoing maturation.

Conclusions:

• Developmental changes in distinct neural systems underpin age-related differences in flexible performance adjustment.
• Feedback processing involves separable neural systems with unique developmental timelines.
• These findings highlight the protracted development of prefrontal cortex regions involved in cognitive control and feedback evaluation.