Modular functional brain network organization contributes to training-related changes in task switching in children

More modular functional brain network organization before training predicts higher overall task-switching accuracy and faster early improvements in children aged 8–11.

• Why it matters: Cognitive training benefits vary, and baseline network modularity has predicted outcomes in adults, but its role in children’s task-switching training was unclear.
• What they did: In 87 children aged 8 to 11 years, functional brain network modularity was measured before nine weeks of task-switching training with varying training amounts.
• The result: Children with more modular networks showed higher overall accuracy and faster gains in integrated speed-accuracy scores, particularly at the beginning of training, suggesting modularity supports quicker adaptation.

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