Alpha-beta oscillatory dynamics underlying auditory inhibitory control in children

In 67 children (6–14 years) and 16 adults (20–30 years), auditory inhibitory control shows distinct induced alpha (8–12 Hz) and beta (13–20 Hz) dynamics, with children marked by an early, prolonged beta decrease.

• Why it matters: Evoked responses in inhibition are well studied, but induced oscillatory mechanisms in the auditory domain and across development are still unclear.
• What they did: Using magnetoencephalography, the study compared passive listening and an auditory Go/Nogo task, measuring induced alpha and beta power changes across right and left fronto-temporo-parietal and related networks.
• The result: Adults showed late alpha and beta power increases in a left fronto-temporo-occipital network, while children showed early-onset, prolonged beta power decreases in somatomotor and temporo-parietal regions, suggesting age-linked differences in inhibitory processing.

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