scholarly journals Triggering word learning in children with Language Impairment: the effect of phonotactic probability and neighbourhood density

2013 ◽  
Vol 41 (6) ◽  
pp. 1224-1248 ◽  
Author(s):  
CRISTINA MCKEAN ◽  
CAROLYN LETTS ◽  
DAVID HOWARD
Keyword(s):  
Word Learning ◽  
Language Impairment ◽  
Phonological Processing ◽  
Vocabulary Knowledge ◽  
Receptive Vocabulary ◽  
Group Differences ◽  
Typically Developing ◽  
Typically Developing Children ◽  
Phonotactic Probability ◽  
Phonological Representations

ABSTRACTThe 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.

scholarly journals Nonword repetition depends on the frequency of sublexical representations at different grain sizes: evidence from a multi-factorial analysis

2018 ◽  
Author(s):  
Jakub M. Szewczyk ◽  
Marta Marecka ◽  
Shula Chiat ◽  
Zofia Wodniecka
Keyword(s):  
Language Impairment ◽  
Phonological Processing ◽  
Specific Language Impairment ◽  
Nonword Repetition ◽  
Typically Developing ◽  
Phonotactic Probability ◽  
Grain Sizes ◽  
Comprehensive Examination ◽  
Phonological Complexity ◽  
Repetition Task

The nonword repetition task (NWR) has been widely used in basic cognitive and clinical research, as well as in clinical assessment, and has been proposed as a clinical marker for Specific Language Impairment (SLI). Yet the mechanisms underlying performance on this task are not clear. This study offers insights into these mechanisms through a comprehensive examination of item-related variables identified in previous research as possibly contributing to NWR scores and through testing the predictive power of each in relation to the others. A unique feature of the study is that all factors are considered simultaneously. Fifty-seven typically developing children were tested with a NWR task containing 150 nonwords differing in length, phonotactic probability, lexical neighbourhood, and phonological complexity. The results indicate that phonological processing of novel words draws on sublexical representations at all grain sizes and that these representations are phonological, unstructured and insensitive to morphemehood. We propose a novel index – mean ngram frequency of all phonemes – that best captures the extent to which a nonword draws on sublexical representations. The study demonstrates the primacy of sublexical representations in NWR performance with implications for the nature of the deficit in SLI.

scholarly journals Nonword Repetition and Vocabulary Knowledge as Predictors of Children's Phonological and Semantic Word Learning

2017 ◽  
Vol 60 (3) ◽  
pp. 682-693 ◽  
Author(s):  
Suzanne M. Adlof ◽  
Hannah Patten
Keyword(s):  
Word Learning ◽  
Semantic Information ◽  
Vocabulary Knowledge ◽  
Nonword Repetition ◽  
Chronological Age ◽  
Typically Developing ◽  
Expressive Vocabulary ◽  
Typically Developing Children ◽  
New Words ◽  
Reading Impairments

Purpose This study examined the unique and shared variance that nonword repetition and vocabulary knowledge contribute to children's ability to learn new words. Multiple measures of word learning were used to assess recall and recognition of phonological and semantic information. Method Fifty children, with a mean age of 8 years (range 5–12 years), completed experimental assessments of word learning and norm-referenced assessments of receptive and expressive vocabulary knowledge and nonword repetition skills. Hierarchical multiple regression analyses examined the variance in word learning that was explained by vocabulary knowledge and nonword repetition after controlling for chronological age. Results Together with chronological age, nonword repetition and vocabulary knowledge explained up to 44% of the variance in children's word learning. Nonword repetition was the stronger predictor of phonological recall, phonological recognition, and semantic recognition, whereas vocabulary knowledge was the stronger predictor of verbal semantic recall. Conclusions These findings extend the results of past studies indicating that both nonword repetition skill and existing vocabulary knowledge are important for new word learning, but the relative influence of each predictor depends on the way word learning is measured. Suggestions for further research involving typically developing children and children with language or reading impairments are discussed.

Children with SLI exhibit delays resolving ambiguous reference

2014 ◽  
Vol 42 (1) ◽  
pp. 180-195 ◽  
Author(s):  
JULIE M. ESTIS ◽  
BRENDA L. BEVERLY
Keyword(s):  
Word Learning ◽  
Language Impairment ◽  
Specific Language Impairment ◽  
School Age Children ◽  
School Age ◽  
Typically Developing ◽  
Typically Developing Children ◽  
Distinct Word ◽  
Phonological Activation ◽  
The Impact

ABSTRACTFast mapping weaknesses in children with specific language impairment (SLI) may be explained by differences in disambiguation, mapping an unknown word to an unnamed object. The impact of language ability and linguistic stimulus on disambiguation was investigated. Sixteen children with SLI (8 preschool, 8 school-age) and sixteen typically developing age-matched children selected referents given familiar and unfamiliar object pairs in three ambiguous conditions: phonologically distinct word (PD), phonologically similar word (PS), no word (NW). Preschoolers with SLI did not disambiguate, unlike typically developing age-matched participants, who consistently selected unfamiliar objects given PD. School-age children with SLI disambiguated given PD. Delays in disambiguation for young children with SLI suggest limitations in processes that facilitate word learning for typically developing children. School-age children with SLI consistently selected familiar objects for PS, unlike typically developing children, suggesting differences in phonological activation for word learning.

scholarly journals Benefits of Repeated Book Readings in Children With SLI

2017 ◽  
Vol 39 (2) ◽  
pp. 367-370 ◽  
Author(s):  
Katharina J. Rohlfing ◽  
Josefa Ceurremans ◽  
Jessica S. Horst
Keyword(s):  
Socioeconomic Status ◽  
Pilot Study ◽  
Word Learning ◽  
Language Impairment ◽  
Specific Language Impairment ◽  
Storybook Reading ◽  
Typically Developing ◽  
Typically Developing Children ◽  
Specific Language ◽  
Immediate Recall

In this pilot study, we ask whether repeated storybook reading is also beneficial for word learning in children diagnosed with specific language impairment (SLI). We compared 3-year-old German learning children diagnosed with SLI to typically developing children matched on age and socioeconomic status (SES). One week later, children with SLI retained the target words from the stories just as well as their peers, although they did perform significantly worse on immediate recall.

Observing iconic gestures enhances word learning in typically developing children and children with specific language impairment

2017 ◽  
Vol 44 (6) ◽  
pp. 1458-1484 ◽  
Author(s):  
SUSANNE VOGT ◽  
CHRISTINA KAUSCHKE
Keyword(s):  
Word Learning ◽  
Language Impairment ◽  
Specific Language Impairment ◽  
Typically Developing ◽  
Typically Developing Children ◽  
Iconic Gesture ◽  
Specific Language ◽  
New Words ◽  
Language Impaired ◽  
Impaired Children

AbstractResearch has shown that observing iconic gestures helps typically developing children (TD) and children with specific language impairment (SLI) learn new words. So far, studies mostly compared word learning with and without gestures. The present study investigated word learning under two gesture conditions in children with and without language impairment. Twenty children with SLI (age four), twenty age-matched TD children, and twenty language-matched TD children were taught words that were presented with either iconic or non-iconic gestures. Results showed that children of all groups benefited more successfully from observing iconic gestures for word learning. The iconic gesture advantage was similar across groups. Thus, observing iconic gestures prompts richer encoding and makes word learning more efficient in TD and language impaired children.

Performance on nonlinguistic visual tasks by children with language impairment

2008 ◽  
Vol 29 (2) ◽  
pp. 237-268 ◽  
Author(s):  
JENNIFER WINDSOR ◽  
KATHRYN KOHNERT ◽  
AMANDA L. LOXTERCAMP ◽  
PUI-FONG KAN
Keyword(s):  
Task Performance ◽  
Language Impairment ◽  
Task Difficulty ◽  
Bilingual Children ◽  
Group Differences ◽  
Typically Developing ◽  
Motor Speed ◽  
Typically Developing Children ◽  
Visual Tasks ◽  
English Speaking

ABSTRACTThe performance of 8- to 13-year-old monolingual English-speaking children with language impairment (LI) on seven nonlinguistic tasks was compared with two groups of typically developing children, monolingual English-speaking children, and proficient Spanish–English sequential bilingual children. Group differences were apparent, with a key finding that the LI group was observably slower than both typical groups in mental rotation and arithmetic, and also slower than the typical monolingual group in odd man out, pattern matching, and form completion. Overall, the response time (RT) increased equivalently across groups as task difficulty increased. Chronological age and perceptual–motor speed contributed to task performance, especially for the shorter tasks. RT trajectories across the 6-year age span showed that task RT decreased with age, but with greater variability for longer tasks that may also be more vulnerable to the effect of experience.

scholarly journals Developmental Language Disorder and Autism: Commonalities and Differences on Language

2021 ◽  
Vol 11 (5) ◽  
pp. 589
Author(s):  
Natasa Georgiou ◽  
George Spanoudis
Keyword(s):  
Autism Spectrum Disorder ◽  
Language Impairment ◽  
Language Disorder ◽  
Autism Spectrum ◽  
Spectrum Disorder ◽  
Typically Developing ◽  
Developmental Language Disorder ◽  
Typically Developing Children ◽  
Autism Group ◽  
Developmental Conditions

Language and communication deficits characterize both autism spectrum disorder and developmental language disorder, and the possibility of there being a common profile of these is a matter of tireless debate in the research community. This experimental study addresses the relation of these two developmental conditions in the critical topic of language. Α total of 103 children (79 males, 24 females) participated in the present study. Specifically, the study’s sample consisted of 40 children with autism, 28 children with developmental language disorder, and 35 typically developing children between 6 and 12 years old. All children completed language and cognitive measures. The results showed that there is a subgroup inside the autism group of children who demonstrate language difficulties similar to children with developmental language disorder. Specifically, two different subgroups were derived from the autism group; those with language impairment and those without. Both autism and language-impaired groups scored lower than typically developing children on all language measures indicating a common pathology in language ability. The results of this study shed light on the relation between the two disorders, supporting the assumption of a subgroup with language impairment inside the autism spectrum disorder population. The common picture presented by the two developmental conditions highlights the need for further research in the field.

Morehead & Ingram (1973) Revisited

2002 ◽  
Vol 45 (3) ◽  
pp. 559-563 ◽  
Author(s):  
David Ingram ◽  
Donald Morehead
Keyword(s):  
Language Impairment ◽  
Research Note ◽  
Past Tense ◽  
Inflectional Morphology ◽  
Typically Developing ◽  
Methodological Issues ◽  
Typically Developing Children ◽  
Marked Contrast ◽  
Third Person ◽  
Selection Of

The finding in Morehead and Ingram (1973) that children with a language impairment do better in the use of inflectional morphology than MLU-matched typically developing children has been in marked contrast to several subsequent studies that have found the opposite relationship (cf. review in Leonard, 1998). This research note presents a reanalysis of a subset of the original Morehead and Ingram data in an attempt to reconcile these contradictory findings. The reanalysis revealed that the advantage on inflectional morphology for children with language impairment was only on the progressive suffix, not on plural and possessive or on the verbal morphemes third-person present tense and past tense. The results of the reanalysis are in line with more recent research (e.g., Rice, Wexler, & Cleave, 1995). The resolution of these discrepant results highlights the critical roles that methodological issues play—specifically, how subjects are matched on MLU, how inflectional morphology is measured, and the selection of subjects with regard to age.

scholarly journals Observational Assessment and Maternal Reports of Motivation in Children and Adolescents With Down Syndrome

2011 ◽  
Vol 116 (2) ◽  
pp. 153-164 ◽  
Author(s):  
Linda Gilmore ◽  
Monica Cuskelly
Keyword(s):  
Down Syndrome ◽  
Intellectual Disability ◽  
Children And Adolescents ◽  
Group Differences ◽  
Typically Developing ◽  
Observational Assessment ◽  
Typically Developing Children ◽  
Significant Group ◽  
Children With Down Syndrome ◽  
Maternal Reports

Abstract Despite a lack of consistent empirical evidence, there has been an ongoing assumption that intellectual disability is associated with reduced levels of motivation. The participants in this study were 33 children with Down syndrome ages 10–15 years and 33 typically developing 3–8-year-old children. Motivation was measured through observational assessments of curiosity, preference for challenge, and persistence, as well as maternal reports. There were no significant group differences on motivation tasks, but mothers of children with Down syndrome rated their children significantly lower on motivation than did parents of typically developing children. There were some intriguing group differences in the pattern of correlations among observations and parent reports. The findings challenge long-held views that individuals with intellectual disability are invariably deficient in motivation.

Language Influences on Verbal Short-Term Memory Performance in Down Syndrome

2004 ◽  
Vol 47 (6) ◽  
pp. 1334-1346 ◽  
Author(s):  
Jon Brock ◽  
Christopher Jarrold
Keyword(s):  
Down Syndrome ◽  
Short Term Memory ◽  
Memory Performance ◽  
Memory Task ◽  
Vocabulary Knowledge ◽  
Typically Developing ◽  
Typically Developing Children ◽  
Short Term ◽  
Language Abilities ◽  
Term Memory

Down syndrome is associated with severe deficits in language and verbal short-term memory, but the causal relationship between these deficits is unclear. The current study therefore investigated the influence of language abilities on verbal short-term memory performance in Down syndrome. Twenty-one individuals with Down syndrome and 29 younger typically developing children were tested on memory for words and nonwords using 2 immediate recognition tasks: an order memory task that was a relatively pure measure of verbal short-term memory and an item memory task that was more sensitive to language ability. Despite having superior vocabulary knowledge to the typically developing children, individuals with Down syndrome were impaired on both order and item tasks. This impairment was particularly marked on the item task, where individuals with Down syndrome showed an atypically large lexicality effect. These results are interpreted in terms of an underlying verbal short-term memory deficit in Down syndrome that is compounded by poor phonological discrimination abilities.

Sign in / Sign up

Export Citation Format

Share Document