Journal
NATURE REVIEWS NEUROSCIENCE
Volume 17, Issue 5, Pages 323-332Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nrn.2016.23
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Funding
- European Research Council (NEUROSYNTAX) [ERC-2010-AdG 20100407]
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Language-processing functions follow heterogeneous developmental trajectories. The human embryo can already distinguish vowels in utero, but grammatical complexity is usually not fully mastered until at least 7 years of age. Examining the current literature, we propose that the ontogeny of the cortical language network can be roughly subdivided into two main developmental stages. In the first stage extending over the first 3 years of life, the infant rapidly acquires bottom-up processing capacities, which are primarily implemented bilaterally in the temporal cortices. In the second stage continuing into adolescence, top-down processes emerge gradually with the increasing functional selectivity and structural connectivity of the left inferior frontal cortex.
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