Journal
DEVELOPMENTAL PSYCHOBIOLOGY
Volume 40, Issue 3, Pages 293-310Publisher
WILEY
DOI: 10.1002/dev.10034
Keywords
language; gesture; language development; motor; parietal; imaging; fMRI; aphasis; context
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Funding
- NIDCD NIH HHS [5 P50DC01289-10, R01-DC00216, T32 DC00041] Funding Source: Medline
- NIMH NIH HHS [1 T32 MH20002-02] Funding Source: Medline
- NINDS NIH HHS [5 P50 NS22343-15] Funding Source: Medline
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Do language abilities develop in isolation? Are they mediated by a unique neural substrate, a mental organ devoted exclusively to language? Or is language built upon more general abilities, shared with other cognitive domains, and mediated by common neural systems? Here, we review results suggesting that language and gesture are close family, then turn to evidence that raises questions about how real those family resemblances ate, summarizing dissociations from our developmental studies of several different child populations. We then examine both these veins of evidence in light of some new findings from the adult neuroimaging literature and suggest a possible reinterpretation of these dissociations as well as new directions for research with both children and adults. (C) 2002 Wiley Periodicals, Inc.
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