Lookup NU author(s): Dr Cristina McKean,
Dr Carolyn Letts,
Professor David Howard
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
The effect of phonotactic probability (PP) and neighbourhood density (ND) on triggering word learning was examined in children with Language Impairment (3;04–6;09) and compared to Typically Developing children. Nonwords, varying PP and ND orthogonally, were presented in a story context and their learning tested using a referent identification task. Group comparisons with receptive vocabulary as a covariate found no group differences in overall scores or in the influence of PP or ND. Therefore, there was no evidence of atypical lexical or phonological processing. ‘Convergent’ PP/ND (High PP/High ND; Low PP/Low ND) was optimal for word learning in both groups. This bias interacted with vocabulary knowledge. ‘Divergent’ PP/ND word scores (High PP/Low ND; Low PP/High ND) were positively correlated with vocabulary so the ‘divergence disadvantage’ reduced as vocabulary knowledge grew; an interaction hypothesized to represent developmental changes in lexical–phonological processing linked to the emergence of phonological representations.
Author(s): McKean C, Letts CA, Howard D
Publication type: Article
Publication status: Published
Journal: Journal of Child Language
Print publication date: 01/11/2014
Online publication date: 06/11/2013
Acceptance date: 18/09/2013
ISSN (print): 0305-0009
ISSN (electronic): 1469-7602
Publisher: Cambridge University Press
Altmetrics provided by Altmetric