Efficient learning in children with rapid GABA boosting after training
Frank, S. M.; Becker, M.; Qi, A.; Geiger, P.; Frank, U. I.; Malloni, W. M.; Sasaki, Y.; Greenlee, M. W.; Watanabe, T.
Show abstract
It is unclear why and how children learn more efficiently than adults, although inhibitory systems, which play an important role in stabilizing learning, are immature in children. Here, we found that despite a lower baseline concentration of {gamma}-aminobutyric acid (GABA) in early visual cortical areas in children (8 to 11 years old) than adults (18 to 35 years old), children exhibited a rapid boost of GABA immediately after visual training, whereas the concentration of GABA in adults remained unchanged after training. Moreover, behavioral experiments showed that children stabilized visual learning much faster than adults, showing rapid development of resilience to retrograde interference. These results together suggest that inhibitory systems in childrens brains are more dynamic and adapt more quickly to stabilize learning than in adults. One Sentence SummaryChildren learn more efficiently than adults due to faster stabilization of learning with rapid GABA boosting after training.
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