SRCLD Presentation Details
  Title  
       
    Lexical-phonological representations and speed of processing in word recognition and word production in children with Specific Language Impairment  
Author(s)
Julia Evans - University of Texas, Dallas
Ron Gillam - Utah State University
James Montgomery - Ohio University

SRCLD Info
SRCLD Year: 2015
Presentation Type: Special Session
Presentation Time: (na)
Abstract
This study investigated speed of word recognition and lexical access in 148 children with and without SLI (7;0 -11;11) propensity matched on age, gender, race, ethnicity, SES, and parental education. Children’s ability to name familiar nouns was compared to time needed to recognize them in a gating task. Results suggest that lexical access may be mediated by different factors for children with and without SLI. Children with SLI were slower and less accurate than controls to name nouns; also needing more speech input to identify target words in the gating task. For the controls, nouns that were gating more quickly were named faster and more accurately. For the children with SLI, speed of lexical access was not related to how quickly words were gated, but was instead mediated by the time needed to differentiate the target word from lexical competitors. Results suggest that lexical cohort competition may significantly impact speed and accuracy of lexical processing in children with SLI but not normal controls.
Supported by grant (R01 DC010883) from NIDCD.


Author Biosketch(es)