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The N400 component in parents of children with specific language impairment.

Authors
  • Ors, M
  • Lindgren, M
  • Berglund, C
  • Hägglund, K
  • Rosén, I
  • Blennow, G
Type
Published Article
Journal
Brain and language
Publication Date
Apr 01, 2001
Volume
77
Issue
1
Pages
60–71
Identifiers
PMID: 11247656
Source
Medline
License
Unknown

Abstract

Children with specific language impairment (SLI) often have a family history of language disorder. In this study, ERPs in response to a visual semantic priming task were recorded in parents of children with SLI. Despite equal performance, the ERPs displayed differences in language processing: larger N400 amplitudes indicated that the parents, especially the fathers, were less primed by the preceding context. Difference waveforms showed that the fathers of SLI children, contrary to controls, had less differentiated responses to congruent versus incongruent sentences. We propose that the N400 observations may be residual markers of past language deficiencies in the fathers. No differences in the N400 effect were found in the mothers of SLI children.

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