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1.
Lang Speech Hear Serv Sch ; 54(2): 535-549, 2023 04 03.
Artículo en Inglés | MEDLINE | ID: mdl-36800488

RESUMEN

PURPOSE: Children and adolescents who stutter may be at risk of elevated anxiety and depression symptoms, although studies have indicated variability in reported internalizing symptoms in this population. This study considers the association between anxiety and depression symptoms and stuttering, as well as child, family, and contextual factors that may affect this association. METHOD: Thirty-five school-age children who stutter completed the Revised Children's Anxiety and Depression Scale-Short Version. We fitted regression models to examine the association between anxiety and depression symptoms with bullying, stuttering severity, family history of adverse mental health, and age in children who stutter. RESULTS: Family history of adverse mental health was found to significantly predict anxiety and depression scores. Age also predicted depression scores, with older children reporting higher scores. CONCLUSIONS: Family history of adverse mental health is associated with higher self-reported internalizing symptoms in children who stutter. The interaction between child, family, and contextual factors may change with age, and this requires further exploration in larger, longitudinal studies. The association between bullying and anxiety scores indicates the importance of anti-bullying initiatives in promoting psychosocial development in school-age children who stutter. This study also highlights the contribution of known risk factors for mental health, such as family history, to variability in symptom reporting.


Asunto(s)
Tartamudeo , Adolescente , Humanos , Niño , Tartamudeo/epidemiología , Tartamudeo/psicología , Depresión/epidemiología , Depresión/psicología , Ansiedad/epidemiología , Ansiedad/diagnóstico , Ansiedad/psicología , Salud Mental
2.
J Child Psychol Psychiatry ; 64(3): 376-387, 2023 03.
Artículo en Inglés | MEDLINE | ID: mdl-36114685

RESUMEN

BACKGROUND: The aim of this study was to evaluate the Children's Communication Checklist-2 (CCC-2) for measuring social-pragmatic communication deficits and to ascertain their prevalence and functional impact in a community sample. METHODS: We used parent and teacher responses to the CCC-2 to approximate inclusion (poor social-pragmatic skills) and exclusion (poor structural language skills or autistic symptomatology) criteria for social (pragmatic) communication disorder (SPCD). We tested the prevalence of social-pragmatic deficits in a population-based sample of children (n = 386) aged 5-6 years old using CCC-2 algorithms. We also investigated the academic and behavioural profiles of children with broadly defined limitations in social-pragmatic competence on the CCC-2. RESULTS: Regardless of the diagnostic algorithm used, the resulting prevalence rates for social-pragmatic deficits indicated that very few children had isolated social-communication difficulties (0-1.3%). However, a larger proportion of children (range: 6.1-10.5%) had social-pragmatic skills outside the expected range alongside structural language difficulties and/or autism spectrum symptoms, and this profile was associated with a range of adverse academic and behavioural outcomes. CONCLUSIONS: A considerable proportion of children in the early years of primary school has social-pragmatic deficits that interfere with behaviour and scholastic activity; however, these rarely occur in isolation. Exclusionary criteria that include structural language may lead to underidentification of individuals with social-pragmatic deficits that may benefit from tailored support and intervention.


Asunto(s)
Trastorno Autístico , Trastornos de la Comunicación , Trastornos del Desarrollo del Lenguaje , Niño , Humanos , Preescolar , Prevalencia , Trastornos de la Comunicación/epidemiología , Trastorno Autístico/diagnóstico , Lenguaje , Comunicación , Trastornos del Desarrollo del Lenguaje/epidemiología , Trastornos del Desarrollo del Lenguaje/diagnóstico
3.
Dev Psychol ; 56(10): 1855-1865, 2020 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-32700948

RESUMEN

A recent study by Ponari, Norbury, and Vigliocco (2018), showed that emotional valence (i.e. whether a word evokes positive, negative, or no affect) predicts age-of-acquisition ratings and that up to the age of 8-9, children know abstract emotional words better than neutral ones. On the basis of these findings, emotional valence has been argued to provide a bootstrapping mechanism for the acquisition of abstract concepts. However, no previous work has directly assessed whether words' valence, or valence of the context in which words are used, facilitates learning of unknown abstract words. Here, we investigate whether valence supports acquisition of novel abstract concepts. Seven to 10 year old children were taught novel abstract words and concepts (words typically learned at an older age that the children did not know); words were either valenced (positive or negative) or neutral. We also manipulated the context in which words were presented: For 1 group of children, the teaching strategy emphasized emotional information; for the other, it emphasized encyclopedic, nonemotional information. Abstract words with emotional valence were learned better than neutral abstract words by children up to the age of 8-9, replicating previous findings; no effect of teaching strategy was found. These results indicate that emotional valence supports abstract concepts acquisition and further suggest that it is the valence information intrinsic to the word's meaning to have a role, rather than the valence of the context in which the word is learned. (PsycInfo Database Record (c) 2020 APA, all rights reserved).


Asunto(s)
Emociones , Aprendizaje , Anciano , Niño , Formación de Concepto , Humanos
4.
PLoS One ; 14(3): e0213492, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-30845265

RESUMEN

BACKGROUND: Centile curves and standard scores are common in epidemiological research. However, standardised norms and centile growth curves for language disorder that reflect the entire UK local school population do not exist. METHODS: Scores on six language indices assessing receptive and expressive functioning of children were obtained from the SCALES population survey. Monolingual English speaking participants were aged between five and nine years. Children who attended special schools at study intake, or who were learning English as an additional language were excluded. We constructed language norms using the LMS method of standardisation which allows for skewed measurements. We made use of probability weights that were produced from a two-step logistic model. Distributions of estimated standard scores from an intensively assessed sub-population and from the full population were contrasted to demonstrate the role of weights. RESULTS: Non-overlapping centile curves and standardised scores at each age were obtained for the six language indices. The use of weights was essential at retrieving the target distribution of the scores. An online calculator that estimates standardised scores for the measures was constructed and made freely available. CONCLUSIONS: The findings highlight the usefulness and flexibility of the LMS method at dealing with the standardisation of linguistic and educational measures that are sufficiently continuous. The paper adds to the existing literature by providing population norms for a number of language tests that were calculated from the same group of individuals.


Asunto(s)
Desarrollo del Lenguaje , Trastornos del Lenguaje , Lenguaje , Niño , Preescolar , Inglaterra/epidemiología , Femenino , Humanos , Trastornos del Lenguaje/epidemiología , Trastornos del Lenguaje/fisiopatología , Trastornos del Lenguaje/terapia , Masculino
5.
Int J Lang Commun Disord ; 54(1): 3-19, 2019 01.
Artículo en Inglés | MEDLINE | ID: mdl-29696726

RESUMEN

BACKGROUND: Paediatric speech and language therapist (SLT) roles often involve planning individualized intervention for specific children, working collaboratively with families and education staff, providing advice, training and coaching and raising awareness. A tiered approach to service delivery is currently recommended whereby services become increasingly specialized and individualized for children with greater needs. AIMS: To stimulate discussion regarding delivery of SLT services by examining evidence regarding the effectiveness of (1) intervention for children with language disorders at different tiers and (2) SLT roles within these tiers; and to propose an evidence-based model of SLT service delivery and a flowchart to aid clinical decision-making. METHODS & PROCEDURES: Meta-analyses and systematic reviews, together with controlled, peer-reviewed group studies where recent systematic reviews were not available, of interventions for children with language disorders are discussed, alongside the differing roles SLTs play in these interventions. Gaps in the evidence base are highlighted. MAIN CONTRIBUTION: The service-delivery model presented resembles the tiered model commonly used in education services, but divides individualized (Tier 3) services into Tier 3A: indirect intervention delivered by non-SLTs, and Tier 3B: direct intervention by an SLT. We report evidence for intervention effectiveness, which children might best be served by each tier, the role SLTs could take within each tier and the effectiveness of these roles. Regarding universal interventions provided to all children (Tier 1) and those targeted at children with language weaknesses or vulnerabilities (Tier 2), there is growing evidence that approaches led by education services can be effective when staff are highly trained and well supported. There is currently limited evidence regarding additional benefit of SLT-specific roles at Tiers 1 and 2. With regard to individualized intervention (Tier 3), children with complex or pervasive language disorders can progress following direct individualized intervention (Tier 3B), whereas children with milder or less pervasive difficulties can make progress when intervention is managed by an SLT, but delivered indirectly by others (Tier 3A), provided they are well trained and supported, and closely monitored. CONCLUSIONS & IMPLICATIONS: SLTs have a contribution to make at all tiers, but where prioritization for clinical services is a necessity, we need to establish the relative benefits and cost-effectiveness at each tier. Good evidence exists for SLTs delivering direct individualized intervention and we should ensure that this is available to children with pervasive and/or complex language disorders. In cases where service models are being provided which lack evidence, we strongly recommend that SLTs investigate the effectiveness of their approaches.


Asunto(s)
Conducta Infantil , Lenguaje Infantil , Vías Clínicas , Prestación Integrada de Atención de Salud , Medicina Basada en la Evidencia , Trastornos del Desarrollo del Lenguaje/terapia , Patología del Habla y Lenguaje/métodos , Factores de Edad , Niño , Humanos , Trastornos del Desarrollo del Lenguaje/diagnóstico , Trastornos del Desarrollo del Lenguaje/fisiopatología , Resultado del Tratamiento
8.
Artículo en Inglés | MEDLINE | ID: mdl-29915008

RESUMEN

Some explanations of abstract word learning suggest that these words are learnt primarily from the linguistic input, using statistical co-occurrences of words in language, whereas concrete words can also rely on non-linguistic, experiential information. According to this hypothesis, we expect that, if the learner is not able to fully exploit the information in the linguistic input, abstract words should be affected more than concrete ones. Embodied approaches instead argue that both abstract and concrete words can rely on experiential information and, therefore, there might not be any linguistic primacy. Here, we test the role of linguistic input in the development of abstract knowledge with children with developmental language disorder (DLD) and typically developing children aged 8-13. We show that DLD children, who by definition have impoverished language, do not show a disproportionate impairment for abstract words in lexical decision and definition tasks. These results indicate that linguistic information does not have a primary role in the learning of abstract concepts and words; rather, it would play a significant role in semantic development across all domains of knowledge.This article is part of the theme issue 'Varieties of abstract concepts: development, use and representation in the brain'.


Asunto(s)
Formación de Concepto , Trastornos del Desarrollo del Lenguaje/psicología , Desarrollo del Lenguaje , Aprendizaje , Semántica , Vocabulario , Adolescente , Niño , Inglaterra , Femenino , Humanos , Masculino
9.
J Child Psychol Psychiatry ; 59(5): 487-488, 2018 05.
Artículo en Inglés | MEDLINE | ID: mdl-29667737

RESUMEN

The Journal of Child Psychology and Psychiatry is committed to publishing implementational research, or turning therapeutic research discoveries into practical benefit for human health and well-being. This editorial showcases three such papers in this issue from diverse fields in developmental science. The papers highlight the challenges of implementing intervention under real-world constraints, and highlight key issues that clinicians and researchers will need to address in future work. Despite these challenges, each approach shows promise and innovation in delivering high-quality interventions to vulnerable children and families.


Asunto(s)
Desarrollo Humano , Trastornos Mentales/terapia , Humanos
10.
Dev Sci ; 21(2)2018 03.
Artículo en Inglés | MEDLINE | ID: mdl-28224689

RESUMEN

There is considerable lack of evidence concerning the linguistic and cognitive skills underpinning abstract vocabulary acquisition. The present study considers the role of emotional valence in providing an embodied learning experience in which to anchor abstract meanings. First, analyses of adult ratings of age-of-acquisition, concreteness and valence demonstrate that abstract words acquired early tend to be emotionally valenced. Second, auditory Lexical Decision accuracies of children aged 6-7, 8-9, and 10-11 years (n = 20 per group) complement these analyses, demonstrating that emotional valence facilitates processing of abstract words, but not concrete. These findings provide the first evidence that young, school-aged children are sensitive to emotional valence and that this facilitates acquisition of abstract words.


Asunto(s)
Emociones , Semántica , Vocabulario , Adulto , Niño , Toma de Decisiones , Femenino , Humanos , Aprendizaje , Masculino
11.
J Child Psychol Psychiatry ; 58(10): 1092-1105, 2017 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-28921543

RESUMEN

BACKGROUND: Language development has been characterised by significant individual stability from school entry. However, the extent to which trajectories of language growth vary in children with language disorder as a function of co-occurring developmental challenges is a question of theoretical import, with implications for service provision. METHODS: SCALES employed a population-based survey design with sample weighting procedures to estimate growth in core language skills over the first three years of school. A stratified sample (n = 529) received comprehensive assessment of language, nonverbal IQ, and social, emotional and behavioural difficulties at 5-6 years of age and 95% of the sample (n = 499) were assessed again at ages 7-8. Language growth was measured using both raw and standard scores in children with typical development, children with language disorder of unknown origin, and children with language disorders associated with a known clinical condition and/or intellectual disability. RESULTS: Overall, language was stable at the individual level (estimated ICC = 0.95) over the first three years of school. Linear mixed effects models highlighted steady growth in language raw scores across all three groups, including those with multiple developmental challenges. There was little evidence, however, that children with language disorders were narrowing the gap with peers (z-scores). Adjusted models indicated that while nonverbal ability, socioeconomic status and social, emotional and behavioural deficits predicted initial language score (intercept), none predicted language growth (slope). CONCLUSIONS: These findings corroborate previous studies suggesting stable language trajectories after ages 5-6 years, but add considerably to previous work by demonstrating similar developmental patterns in children with additional nonverbal cognitive deficits, social, emotional, and behavioural challenges, social disadvantage or clinical diagnoses.


Asunto(s)
Inteligencia/fisiología , Desarrollo del Lenguaje , Trastornos del Lenguaje/diagnóstico , Pruebas del Lenguaje/estadística & datos numéricos , Niño , Preescolar , Estudios de Cohortes , Femenino , Humanos , Masculino , Pronóstico
12.
J Child Psychol Psychiatry ; 58(10): 1065-1067, 2017 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-28921545

RESUMEN

Developmental language disorders (DLD) are common and have far-reaching developmental consequences. Nevertheless, public awareness of DLD is poor, and one goal of this special issue is to showcase a set of papers that provide a clear and coherent message about the nature and impact of DLD, and the potential of intervention to mitigate these impacts. In this editorial, we highlight seminal papers JCPP has published on language disorders over the last 40 years. Many of the issues raised then are still relevant now; however, the papers that comprise this special issue exemplify how far the field has come in achieving consensus on terminology and diagnostic criteria, and producing highly consistent findings on the stability and impact of DLD, and the potential for language change in response to targeted interventions. The editorial concludes with a road map for future research and clinical priorities that includes the need for randomised controlled trials that specifically address the impact of co-morbidities on response to treatment, impacts of intervention on broader developmental outcomes, and the experiences of adults with DLD.


Asunto(s)
Trastornos del Desarrollo del Lenguaje , Humanos , Trastornos del Desarrollo del Lenguaje/diagnóstico , Trastornos del Desarrollo del Lenguaje/epidemiología , Trastornos del Desarrollo del Lenguaje/fisiopatología , Trastornos del Desarrollo del Lenguaje/terapia
13.
J Speech Lang Hear Res ; 60(7): 2014-2030, 2017 07 12.
Artículo en Inglés | MEDLINE | ID: mdl-28617919

RESUMEN

Purpose: This study explored whether a monolingual-normed English language battery could identify children with English as an additional language (EAL) who have persistent English language learning difficulties that affect functional academic attainment. Method: Children with EAL (n = 43) and monolingual English-speaking children (n = 46) completed a comprehensive monolingual-normed English language battery in Year 1 (ages 5-6 years) and Year 3 (ages 7-8 years). Children with EAL and monolingual peers, who either met monolingual criteria for language impairment or typical development on the language battery in Year 1, were compared on language growth between Year 1 and Year 3 and on attainment in national curriculum assessments in Year 2 (ages 6-7 years). Results: Children with EAL and monolingual peers who met monolingual criteria for language impairment in Year 1 continued to display comparably impaired overall language ability 2 years later in Year 3. Moreover, these groups displayed comparably low levels of academic attainment in Year 2, demonstrating comparable functional impact of their language difficulties. Conclusion: Monolingual-normed language batteries in the majority language may have some practical value for identifying bilingual children who need support with language learning, regardless of the origin of their language difficulties.


Asunto(s)
Trastornos del Desarrollo del Lenguaje , Multilingüismo , Éxito Académico , Niño , Preescolar , Progresión de la Enfermedad , Femenino , Humanos , Trastornos del Desarrollo del Lenguaje/psicología , Pruebas del Lenguaje , Modelos Lineales , Estudios Longitudinales , Masculino
14.
J Autism Dev Disord ; 47(7): 2205-2216, 2017 07.
Artículo en Inglés | MEDLINE | ID: mdl-28488078

RESUMEN

This study investigated whether children with autism spectrum disorders (ASD) can learn vocabulary from linguistic context. Thirty-five children with ASD (18 with age-appropriate structural language; 17 with language impairment [ALI]) and 29 typically developing peers were taught 20 Science words. Half were presented in linguistic context from which meaning could be inferred, whilst half were accompanied by an explicit definition. Children with ASD were able to learn from context. Condition did not influence phonological learning, but receptive semantic knowledge was greatest in the context condition, and expressive semantic knowledge greatest in the definitional condition. The ALI group learnt less than their peers. This suggests that at least some vocabulary should be taught explicitly, and children with ALI may need additional tuition.


Asunto(s)
Trastorno del Espectro Autista/psicología , Educación Especial/métodos , Desarrollo del Lenguaje , Vocabulario , Trastorno del Espectro Autista/rehabilitación , Niño , Femenino , Humanos , Masculino , Semántica
15.
BMC Psychiatry ; 17(1): 129, 2017 04 05.
Artículo en Inglés | MEDLINE | ID: mdl-28381293

RESUMEN

BACKGROUND: Rating scales are often used to identify children with potential Attention-Deficit/Hyperactivity Disorder (ADHD), yet there are frequently discrepancies between informants which may be moderated by child characteristics. The current study asked whether correspondence between parent and teacher ratings on the Strengths and Weakness of ADHD symptoms and Normal behaviour scale (SWAN) varied systematically with child language ability. METHOD: Parent and teacher SWAN questionnaires were returned for 200 children (aged 61-81 months); 106 had low language ability (LL) and 94 had typically developing language (TL). After exploring informant correspondence (using Pearson correlation) and the discrepancy between raters, we report inter-class correlation coefficients, to assess inter-rater reliability, and Cohen's kappa, to assess agreement regarding possible ADHD caseness. RESULTS: Correlations between informant ratings on the SWAN were moderate. Children with LL were rated as having increased inattention and hyperactivity relative to children with TL; teachers, however, rated children with LL as having more inattention than parents. Inter-rater reliability of the SWAN was good and there were no systematic differences between the LL and TL groups. Case agreement between parent and teachers was fair; this varied by language group with poorer case agreement for children with LL. CONCLUSION: Children's language abilities affect the discrepancy between informant ratings of ADHD symptomatology and the agreement between parents and teachers regarding potential ADHD caseness. The assessment of children's core language ability would be a beneficial addition to the ADHD diagnostic process.


Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad/diagnóstico , Conducta Infantil/psicología , Padres/psicología , Trastorno por Déficit de Atención con Hiperactividad/psicología , Niño , Femenino , Humanos , Lenguaje , Masculino , Reproducibilidad de los Resultados , Índice de Severidad de la Enfermedad , Encuestas y Cuestionarios
16.
Int J Lang Commun Disord ; 52(6): 786-799, 2017 11.
Artículo en Inglés | MEDLINE | ID: mdl-28421695

RESUMEN

BACKGROUND & AIMS: We evaluated a structured intervention programme aimed at preparing adolescents with developmental language disorders for job interviews. Our primary outcome measures included change in ratings of verbal and non-verbal social communication behaviours evident during mock interviews. METHODS & PROCEDURES: In study 1, 12 participants, aged 17-19 years, from a specialist sixth-form college completed the intervention and two mock interviews, one pre- and one post-intervention. In study 2, 34 participants, aged 17-19 years, completed a modified intervention programme and three mock interviews, one at baseline (included to control for possible practise effects), one pre- and one post-intervention. In both studies, interviews were video recorded and social communication behaviours were coded by independent assessors blind to interview time, participant diagnosis and therapy content. A repeated-measures design was employed to measure change in communication behaviours. OUTCOMES & RESULTS: In study 1, a significant increase in the number of 'positive' verbal and non-verbal social communication behaviours was observed from pre- to post-intervention. However, there was no significant change in the number of 'negative' behaviours (i.e., fidgeting, irrelevant remarks). In study 2, there were no significant changes in verbal behaviours, but significant group differences (though wide individual variation) in both positive and negative non-verbal social communication behaviours. CONCLUSIONS & IMPLICATIONS: Our findings suggest that training specific social communication skills that are important for interview success, and consistently reinforcing those behaviours during therapy practice, can increase the use of those skills in an interview setting, though in this heterogeneous population there was considerable variation in therapy outcome. The skills of the interviewer were identified as a potential source of variation in outcome, and a target for future research and practice.


Asunto(s)
Conducta del Adolescente , Desarrollo del Adolescente , Educación Especial/métodos , Entrevistas como Asunto , Trastornos del Desarrollo del Lenguaje/rehabilitación , Desarrollo del Lenguaje , Selección de Personal/métodos , Trastornos del Habla/rehabilitación , Habla , Adolescente , Femenino , Retroalimentación Formativa , Humanos , Relaciones Interpersonales , Trastornos del Desarrollo del Lenguaje/diagnóstico , Trastornos del Desarrollo del Lenguaje/psicología , Masculino , Comunicación no Verbal , Evaluación de Programas y Proyectos de Salud , Conducta Social , Trastornos del Habla/diagnóstico , Trastornos del Habla/psicología , Análisis y Desempeño de Tareas , Grabación en Video , Adulto Joven
17.
J Speech Lang Hear Res ; 60(4): 969-982, 2017 04 14.
Artículo en Inglés | MEDLINE | ID: mdl-28359082

RESUMEN

Purpose: The aim of this study was to determine whether children with language impairment (LI) use gesture to compensate for their language difficulties. Method: The present study investigated gesture accuracy and frequency in children with LI (n = 21) across gesture imitation, gesture elicitation, spontaneous narrative, and interactive problem-solving tasks, relative to typically developing (TD) peers (n = 18) and peers with low language and educational concerns (n = 21). Results: Children with LI showed weaknesses in gesture accuracy (imitation and gesture elicitation) in comparison to TD peers, but no differences in gesture rate. Children with low language only showed weaknesses in gesture imitation and used significantly more gestures than TD peers during parent-child interaction. Across the whole sample, motor abilities were significantly related to gesture accuracy but not gesture rate. In addition, children with LI produced proportionately more extending gestures, suggesting that they may use gesture to replace words that they are unable to articulate verbally. Conclusion: The results support the notion that gesture and language form a tightly linked communication system in which gesture deficits are seen alongside difficulties with spoken communication. Furthermore, it is the quality, not quantity of gestures that distinguish children with LI from typical peers.


Asunto(s)
Gestos , Trastornos del Desarrollo del Lenguaje , Análisis de Varianza , Niño , Lenguaje Infantil , Preescolar , Estudios de Cohortes , Femenino , Humanos , Conducta Imitativa , Trastornos del Desarrollo del Lenguaje/fisiopatología , Trastornos del Desarrollo del Lenguaje/psicología , Masculino , Recuerdo Mental , Destreza Motora , Narración , Relaciones Padres-Hijo , Solución de Problemas , Pruebas Psicológicas , Vocabulario
18.
J Child Psychol Psychiatry ; 57(11): 1247-1257, 2016 11.
Artículo en Inglés | MEDLINE | ID: mdl-27184709

RESUMEN

BACKGROUND: Diagnosis of 'specific' language impairment traditionally required nonverbal IQ to be within normal limits, often resulting in restricted access to clinical services for children with lower NVIQ. Changes to DSM-5 criteria for language disorder removed this NVIQ requirement. This study sought to delineate the impact of varying NVIQ criteria on prevalence, clinical presentation and functional impact of language disorder in the first UK population study of language impairment at school entry. METHODS: A population-based survey design with sample weighting procedures was used to estimate population prevalence. We surveyed state-maintained reception classrooms (n = 161 or 61% of eligible schools) in Surrey, England. From a total population of 12,398 children (ages 4-5 years), 7,267 (59%) were screened. A stratified subsample (n = 529) received comprehensive assessment of language, NVIQ, social, emotional and behavioural problems, and academic attainment. RESULTS: The total population prevalence estimate of language disorder was 9.92% (95% CI 7.38, 13.20). The prevalence of language disorder of unknown origin was estimated to be 7.58% (95% CI 5.33, 10.66), while the prevalence of language impairment associated with intellectual disability and/or existing medical diagnosis was 2.34% (95% CI 1.40, 3.91). Children with language disorder displayed elevated symptoms of social, emotional and behavioural problems relative to peers, F(1, 466) = 7.88, p = .05, and 88% did not make expected academic progress. There were no differences between those with average and low-average NVIQ scores in severity of language deficit, social, emotional and behavioural problems, or educational attainment. In contrast, children with language impairments associated with known medical diagnosis and/or intellectual disability displayed more severe deficits on multiple measures. CONCLUSIONS: At school entry, approximately two children in every class of 30 pupils will experience language disorder severe enough to hinder academic progress. Access to specialist clinical services should not depend on NVIQ.


Asunto(s)
Inteligencia/fisiología , Trastornos del Lenguaje/epidemiología , Trastornos del Lenguaje/fisiopatología , Preescolar , Inglaterra/epidemiología , Femenino , Humanos , Masculino , Prevalencia
19.
Int J Lang Commun Disord ; 51(2): 174-82, 2016 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-26303884

RESUMEN

BACKGROUND: Specific language impairment (SLI) is diagnosed when language is significantly below chronological age expectations in the absence of other developmental disorders, sensory impairments or global developmental delays. It has been suggested that gesture may enhance communication in children with SLI by providing an alternative means to convey words or extend utterances. However, gesture is a complex task that requires the integration of social, cognitive and motor skills, skills that some children with SLI may find challenging. In addition, there is reason to believe that language and gesture form an integrated system leading to the prediction that children with a SLI may also have difficulties with gestural communication. AIMS: To explore the link between language and gesture in children with poor language skills. METHODS & PROCEDURE: Fifteen children with SLI and 14 age-matched typically developing children (TD) participated in this study. The children completed measures of expressive and receptive vocabulary, non-verbal cognition, motor control, gesture comprehension and gesture production. OUTCOMES & RESULTS: TD children achieved significantly higher scores on measures of gesture production and gesture comprehension relative to children with SLI. Significant correlations between both measures of vocabulary and both measures of gesture suggest a tight link between language and gesture. CONCLUSIONS & IMPLICATIONS: The findings support the idea that gesture and language form one integrated communication system, rather than two separate communication modalities. This implies that children with SLI may have underlying deficits that impact not only on language but also on gesture production and comprehension.


Asunto(s)
Aptitud , Gestos , Trastornos del Desarrollo del Lenguaje/diagnóstico , Niño , Preescolar , Comprensión , Femenino , Humanos , Trastornos del Desarrollo del Lenguaje/psicología , Masculino , Medición de la Producción del Habla , Estadística como Asunto , Vocabulario
20.
J Exp Child Psychol ; 144: 98-113, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26716575

RESUMEN

Specific language impairment (SLI) has traditionally been characterized as a deficit of structural language (specifically grammar), with relative strengths in pragmatics. In this study, comprehensive assessment of production, comprehension, and metalinguistic judgment of referring expressions revealed that children with SLI have weaknesses in both structural and pragmatic language skills relative to age-matched peers. Correlational analyses highlight a relationship between their performance on the experimental tasks and their structural language ability. Despite their poor performance on the production and comprehension tasks, children with SLI were able to recognize pragmatically under-informative reference relative to other types of utterance, although they imposed a less severe penalty on such expressions than typically developing peers, a pattern that supports the pragmatic tolerance account. Our novel methodology (which probed structural abilities from both the speaker's and hearer's perspectives as well as metalinguistic and pragmatic skills in the same sample) challenges the assumption that pragmatic errors stem from deficits in social cognition and instead supports recent findings suggesting that when the impact of structural language is isolated, pragmatic deficits may be resolved.


Asunto(s)
Comprensión/fisiología , Trastornos del Desarrollo del Lenguaje/fisiopatología , Lenguaje , Metacognición/fisiología , Trastorno de Comunicación Social/fisiopatología , Niño , Preescolar , Femenino , Humanos , Masculino
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