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At least 19 recordsLinked to original sources
PubMed2002

Efficacy of speech therapy in children with language disorders: specific language impairment compared with language impairment in comorbidity with cognitive delay.

OBJECTIVE: this article discusses the effect of speech therapy on language comprehension, language production and non-verbal functioning in two groups of children with developmental language disorders. DESIGN: retrospective study-a follow-up after a mean of 2 years. MATERIALS AND METHODS: verbal and non-verbal functioning before and after therapy were examined in 31 language-impaired children with normal hearing and good health. In 16 children the language functioning was substantial behind their non-verbal functioning. They were categorised as children with specific language impairment (SLI). In 15 children the language problem was in comorbidity with cognitive delay, and these were categorised as children with non-SLI. At the first examination the children were at the age of 1;5-5;4 years and at the second examination they were at the age of 3;4-6;11 years. The children were examined for language comprehension (Standardised Dutch version of the Reynell Developmental Comprehension Scale), spontaneous language production (Groningen Diagnostic Speech norms) and non-verbal functioning (Snijders-Oomen non-verbal intelligence scale for children between 2 1/2 and 7 years). RESULTS: in both groups, a significant improvement was found in language functioning as well as in non-verbal functioning. Language comprehension and non-verbal IQ-scores in both groups improved by about the same amount. Language production made significantly more progress in the SLI group than in the non-SLI group. The improvements in the SLI group were mainly reached by speech therapy, whereas in the non-SLI group this was less the case. CONCLUSIONS: verbal and non-verbal development can improve in young children with developmental language delay. This underlines the idea that language and cognitive development are interacting and influencing each other in a positive way. Children with SLI seem to benefit more from speech therapy, whereas children with cognitive delay seem to benefit more from special education.

Child↗
PubMed1982

Relationship of maternal language to language development and language delay of children.

Maternal language characteristics associated with language-delayed children were examined. Two age groups of Down syndrome children were matched on mean length of utterance (MLU) with two groups of nonretarded, language-delayed children and two groups of "normal" children, mostly from middle-class families. Twenty-minute audio tapes were recorded for each dyad in the home during free play, and the first 10 minutes were transcribed and coded into functional types of maternal language. Mothers of nonretarded, language-delayed children used more language irrelevant to the interaction than did mothers of Down syndrome children, who, in turn, used more irrelevant language than did mothers of "normal" children. Mothers of nonretarded, language-delayed children focused less on their children's utterances than did other mothers and more on their physical behavior. Maternal language patterns appeared to be related more to language problems for nonretarded, language-delayed children than for Down syndrome children.

Child Language↗
PubMed1993

First-language acquisition after childhood differs from second-language acquisition: the case of American Sign Language.

This study determined whether the long-range outcome of first-language acquisition, when the learning begins after early childhood, is similar to that of second-language acquisition. Subjects were 36 deaf adults who had contrasting histories of spoken and sign language acquisition. Twenty-seven subjects were born deaf and began to acquire American Sign Language (ASL) as a first language at ages ranging from infancy to late childhood. Nine other subjects were born with normal hearing, which they lost in late childhood; they subsequently acquired ASL as a second language (because they had acquired spoken English as a first language in early childhood). ASL sentence processing was measured by recall of long and complex sentences and short-term memory for signed digits. Subjects who acquired ASL as a second language after childhood outperformed those who acquired it as a first language at exactly the same age. In addition, the performance of the subjects who acquired ASL as a first language declined in association with increasing age of acquisition. Effects were most apparent for sentence processing skills related to lexical identification, grammatical acceptability, and memory for sentence meaning. No effects were found for skills related to fine-motor production and pattern segmentation.

Adolescent↗
PubMed1991

Identifying native language difficulties among foreign language learners in college: a "foreign" language learning disability?

The present study compared successful and unsuccessful college foreign language learners on measures of intelligence, foreign language aptitude, native oral and written language, and math. Unsuccessful students had received petitions to waive the foreign language requirement. No significant differences between groups were found on intelligence and reading comprehension. Significant differences were found on the Modern Language Aptitude Test, on tests of written and oral language in the syntactic and phonological domains, and on math calculation. Authors suggest that students with foreign language learning difficulties may have underlying native language problems manifested especially in the areas of syntax and phonology. Suggestions for diagnosing a foreign language disability are made.

Adolescent↗
PubMed1995

Effects of direct instruction in Spanish phonology on the native-language skills and foreign-language aptitude of at-risk foreign-language learners.

This study examined the effect of an academic year of direct instruction in the phonology/orthography of Spanish on the native-language skills and foreign-language aptitude of high school women identified as at risk (n = 14) and not at risk (n = 19) for experiencing problems with learning a foreign language. At-risk students received a specialized teaching approach; not-at-risk students received traditional foreign-language instruction. Pre- and posttest results showed that both groups improved significantly on a foreign-language aptitude test, and the at-risk group made significant gains on native-language phonology/orthography measures. Pretest comparisons showed significant between-group differences on several phonological/orthographic measures and the foreign-language aptitude test. Posttest comparisons showed that the not-at-risk subjects still scored significantly higher than at-risk subjects on the foreign-language aptitude measure; no differences were noted on two native-language phonological/orthographic measures. Pre- and posttest comparisons between groups showed that the at-risk group made significantly greater gains than the not-at-risk group on phonological/orthographic measures. Implications for instruction are presented.

Adolescent↗
PubMed2000

Language laterality in English/Welsh bilinguals: language-acquisitional and language-specific factors in the development of lateralisation.

In order to test the hypothesis that monolinguals differ from bilinguals in their pattern of language lateralisation and to examine the relative merits of language-acquisitional versus language-specific factors, two experiments involving divided screen presentation of two languages were conducted using Welsh/English speaking participants. In the first experiment 80 monolingual teenagers were compared to 80 bilingual teenagers on a tachistoscopic "visual half-field" test of Welsh and English nouns and verbs. ANOVA revealed a greater left hemisphere advantage for Welsh-English bilinguals as compared to English monolinguals. Thus, in contrast to previous studies, in our bilinguals there was evidence of greater left hemisphere involvement in the processing of language. In the second experiment, four separate groups of 40 teenagers, varying in the age and manner of acquisition of their languages, were compared on the same test of Welsh and English words. These groups can be viewed as graded from the early to late bilinguals. ANOVA revealed a greater left hemisphere advantage when processing Welsh as compared to English words for all four groups. However no significant difference was observed between the four groups in respect of laterality for Welsh and English, indicating an equally greater left hemisphere bias for all four groups when processing Welsh words. We discuss these results in terms of a language-specific effect and suggest the specific orthography of the Welsh language (for individually presented nouns and verbs) promotes a left hemisphere advantage over and above language-acquisitional factors.

Journal Article↗
PubMed2003

Written language as a window into residual language deficits: a study of children with persistent and residual speech and language impairments.

Previous work has suggested that, because writing is a late-acquired and complex skill, it may be a particularly sensitive index of language difficulties in children. Evidence in support of this view was obtained in a study contrasting 161 normally-developing control children aged from 7.5 to 13 years with 75 twin children of the same age who either had specific speech-language impairments, or were co-twins of affected children. Written narratives were elicited from children using a sequence of five photographs depicting a simple story, and were analysed for grammatical complexity and accuracy, intelligibility, and semantic content. Only 42 of the twins could spell well enough to attempt the narrative task. Some co-twins of affected children had deficits in written language, despite normal performance on oral language tests. Most children with language impairments were poor at writing, with particularly marked deficits on a measure of spelling and punctuation. Children with language impairments made a relatively high proportion of phonologically inaccurate spelling errors when compared with younger children at a similar vocabulary level. Those who did poorly on a nonword repetition test were especially likely to have poor written language. However, four children with pure speech difficulties produced age-appropriate written narratives.

Aging↗
PubMed1995

On the linguistic representation of medical information: natural language, controlled language, and formal language.

Language is indispensable for the representation of medical information. We classified the methods of linguistic representation into three items: natural language, controlled language, and formal language. The characteristics of these are discussed; we focus especially on the preparation of data and data quality. We present the perspective that linguistic research in medical informatics can be considered as an effort to convert natural language into formal language and vice versa. The problems related to the conversion and the role of controlled language in medical linguistics are discussed in detail.

Language↗
PubMed1991

Analog language teaching versus natural language teaching: generalization and retention of language learning for adults with autism and mental retardation.

Examined the effects of two instructional methods on language generalization and long-term retention in 23 adults with autism and severe to profound mental retardation. Analog language teaching employed discrete trials in a controlled setting concentrating on discrimination and identification of materials. Natural language teaching emphasized instruction through interactions that occurred incidentally to training students in the use of materials to perform functional tasks. Assessments were conducted under conditions favoring analog teaching to assure against partiality toward natural language teaching. Under such disadvantageous conditions, the methods of natural language teaching would be supported by results showing either no difference or an advantage in their favor. Both techniques increased initial and long-term generalization though the results suggest no relative superiority for either method under these assessment conditions. A significant interaction was found between prior functioning level and sequence of instruction. Because natural language teaching has many strengths, few drawbacks, and produces equal generalization and retention under disadvantageous conditions, it is strongly supported as preferable for people with autism and mental retardation.

Adolescent↗
PubMed1986

Play diversity and structural relationships in the play and language of language-impaired and language-normal preschoolers: preliminary data.

The purpose of this study was to compare structural play-language relationships and diversity of symbolic play skills in age matched language-impaired and language-normal children. The language-impaired and language-normal children differed in their play-language correspondences when the structural metrics of mean length of utterance (MLU) and mean length of sequence (MLS) were used. Differences between the groups were also found on specific quantitative and qualitative aspects of symbolic play. Suggestions for play intervention are discussed.

Child, Preschool↗
PubMed2005

Observation of unaveraged giant MEG activity from language areas during speech tasks in patients harboring brain lesions very close to essential language areas: expression of brain plasticity in language processing networks?

We describe a series of 12 patients who suffered from lesions adjacent to the classic Broca and Wernicke areas and were examined by magnetoencephalography (MEG) for presurgical language localization while performing a protocol of different language tasks. In these patients very large MEG activity of up to 5pT was observed, which was located not only in the adjacent language processing brain areas but also in more distant areas, which are part of the language processing neuronal network. The high amplitude and the focal spatial extent of this activity allowed MEG source localization from the unaveraged data. In nine patients sources of this high amplitude activity were even found in the homologous language areas on the contralateral, the nondominant side of the brain. The physiological interrelationship of these large MEG changes needs to be investigated in more detail in further studies especially in the context of possible mechanisms for brain plasticity to overcome inhibitory activity of the impaired language area.

Adult↗
PubMed1986

Direct language instruction and interactive language instruction with language delayed preschool children: a comparison study.

Direct language instruction and interactive language instruction are based on highly distinct theoretical positions and incorporate very different behavioral techniques. A purpose of the present study was to evaluate the relative effectiveness of direct and interactive language instruction in promoting a variety of language skills. A second purpose was to determine if an aptitude and treatment interaction influenced the outcome of intervention. Forty-four children of preschool age were randomly assigned to classrooms using either direct instruction or interactive instruction. After 8 months, children in both settings improved significantly and substantially on syntactic and semantic measures. There were no differences between the two groups at posttest, nor were there any significant aptitude by treatment interactions for either cognitive or language pretest measures. The results of this study, and a careful examination of previously reported interactions, suggest that such an interaction has yet to be demonstrated.

Child, Preschool↗
PubMed1991

A model for collaborative service delivery for students with language-learning disorders in the public schools. Committee on Language Learning Disorders American Speech-Language-Hearing Association.

Collaborative service delivery can augment traditional methods for serving students with language-learning disorders in the public schools. In collaborative service delivery, the speech-language pathologist is an integral member of a transdisciplinary team consisting of educators, parents, and the student. Team members collaborate to formulate a single educational program for each student. The team devises all treatment goals, assessment methods, intervention procedures, and documentation systems to enhance the student's academic and social functioning in the school environment. All team members are aware of the student's entire curriculum, and team members typically share responsibility for specific educational goals. Most special services, as well as regular instruction, take place within the classroom. Administrative support is crucial to the implementation of collaborative service delivery. Effective collaboration requires that team members be allotted time to meet outside of their classroom duties. In addition, cooperation among team members is essential. Potential team members must be willing to pool their expertise and abandon notions of professional "turf." The implementation of collaborative service delivery may require some adjustment in the way speech-language pathologists and other educators perceive their roles in public school settings. However, this service delivery model holds great promise for providing services to maximize the functional potential of students with language-learning disorders.

American Speech-Language-Hearing Association↗
PubMed1997

Language maintenance and language shift: community languages in Australia, 1996.

"There is a continuing significant shift to English spoken in the home among Australia's established community language groups. There are also success stories in language maintenance. Factors influencing language use include the distribution of speakers, the age profile of the community, intermarriage patterns and cultural distance from Anglo-Australians. Australia-wide, the shift rates to English spoken at home range between three percent from Macedonian and 62 percent from Dutch in the first generation, and 15 percent from Macedonian and 95 percent from Dutch in the second generation."

Age Factors↗
PubMed2026

Effectiveness of Caregiver-Mediated Spoken Language Interventions for Children Under Five at Risk of Developmental Language Disorder: A Systematic Review and Meta-Analysis.

BACKGROUND AND AIMS: Caregiver-mediated interventions are commonly used by Speech and Language Therapists to support early language development. Developmental Language Disorder (DLD) is associated with reduced quality of life throughout the lifespan. Understanding factors that predict intervention success is essential for developing appropriate, cost-effective therapy provision for the approximately 12% of preschool children who present with early markers for Developmental Language Disorder (DLD). This systematic review and meta-analysis examined the effectiveness of caregiver-mediated spoken language interventions for under-fives at risk of DLD, and factors influencing intervention effectiveness. METHODS: A systematic review following PRISMA guidelines was conducted. Five electronic databases were searched to identify experimental studies comparing caregiver-mediated spoken language interventions to control conditions in under-fives presenting with risk factors for DLD. Risk factors included prematurity, socioeconomic factors, caregiver language development concerns, and formal or informal language screening or assessment scores. Twenty-six experimental studies with 1407 child participants were included in qualitative synthesis. Meta-analysis was performed on nine Randomised Controlled Trials involving 947 children. RESULTS: Effectiveness was examined for outcomes including child language gains, child wellbeing, inclusion and attainment. Meta-analysis indicated a significant effect of caregiver-mediated spoken language interventions on language outcomes compared to treatment-as-usual, non-language intervention or waitlist control conditions. Non-language outcomes were evaluated via qualitative synthesis. Interventions significantly improved language development trajectories for under-fives presenting with risk factors or early markers for DLD. CONCLUSION AND IMPLICATIONS: This review contributes to the growing evidence base demonstrating that caregiver-mediated interventions can positively impact language development and wellbeing outcomes for children under five at risk of DLD. These findings support the implementation of caregiver-mediated environmental language interventions in clinical practice to maximise accessibility and cost-effectiveness while delivering optimal outcomes for vulnerable populations. WHAT THIS PAPER ADDS: What is already known on this subject Previous research on caregiver-mediated spoken language interventions has highlighted gaps in the evidence regarding the impact of risk factors, demographic characteristics, dosage and intervention components on child language outcomes. Developmental Language Disorder has relatively high population prevalence, estimated at 7%. Prevalence is associated with risk factors including low household socioeconomic status (SES), prematurity and late language emergence. In contrast to its prevalence, there is low public and professional awareness of DLD and a low diagnostic rate. Therefore, a strengthened evidence base and additional insights into the factors affecting success of family-based interventions is important in order to increase the effectiveness of service provision and care planning for this underserved population. Timely and effective intervention with young children presenting with early markers for DLD has the potential to offer lifelong improvement to their wellbeing, inclusion and attainment outcomes. Recent systematic reviews of the effectiveness of caregiver-mediated language interventions had differences in population age range and diagnostic inclusion criteria. What this paper adds to existing knowledge Our review examines the effectiveness of caregiver-mediated early spoken language interventions on child language, attainment and wellbeing, and on caregiver self-efficacy and adherence to language support strategies. Our population was children under five presenting with risk factors for Developmental Language Disorder, in the absence of other neurodevelopmental or genetic conditions such as intellectual disability or autism. This review adds depth and detail to the evidence base supporting the effectiveness of caregiver-mediated spoken language interventions in improving outcomes for this population of young children, and factors that influence their success. What are the potential or actual clinical implications of this work? The high prevalence of Developmental Language Disorder, estimated at around 7% of the population, and the strong association with risk factors including low SES, prematurity and late language emergence, coupled with the low awareness of DLD and low diagnostic rate, mean that a strengthened evidence base and additional insights into the factors affecting success of family-based interventions can increase the effectiveness of service provision and care planning for this population. Timely and effective intervention in this group of young children has the potential to improve wellbeing and attainment outcomes across the lifespan. This review contributes to our understanding of how to implement cost-effective, socially valid and maximally engaging partnership working with families of young children at risk for DLD.

Humans↗
PubMed2006

The clinical spectrum of developmental language impairment in school-aged children: language, cognitive, and motor findings.

OBJECTIVE: Our goal was to evaluate detailed school-age language, nonverbal cognitive, and motor development in children with developmental language impairment compared with age-matched controls. METHODS: Children with developmental language impairment or normal language development (controls) aged 7 to 13 years were recruited. Children underwent language assessment (Clinical Evaluation of Language Fundamentals-4, Peabody Picture Vocabulary-3, Goldman-Fristoe Test of Articulation-2), nonverbal cognitive assessment (Wechsler Intelligence Scale for Children-IV), and motor assessment (Movement Assessment Battery for Children). Exclusion criteria were nonverbal IQ below the 5th percentile or an acquired language, hearing, autistic spectrum, or neurologic disorder. RESULTS: Eleven children with developmental language impairment (7:4 boys/girls; mean age: 10.1 +/- 0.8 years) and 12 controls (5:7 boys/girls; mean age: 9.5 +/- 1.8 years) were recruited. Children with developmental language impairment showed lower mean scores on language (Clinical Evaluation of Language Fundamentals-4--developmental language impairment: 79.7 +/- 16.5; controls: 109.2 +/- 9.6; Goldman-Fristoe Test of Articulation-2--developmental language impairment: 94.1 +/- 10.6; controls: 104.0 +/- 2.8; Peabody Picture Vocabulary-3--developmental language impairment: 90.5 +/- 13.8; controls: 100.1 +/- 11.6), cognitive (Wechsler Intelligence Scale for Children-IV--developmental language impairment: 99.5 +/- 15.5; controls: 113.5 +/- 11.9), and motor measures (Movement Assessment Battery for Children percentile--developmental language impairment: 12.7 +/- 16.7; controls: 66.1 +/- 30.6) and greater discrepancies between cognitive and language scores (Wechsler Intelligence Scale for Children-IV/Clinical Evaluation of Language Fundamentals-4--developmental language impairment: 17.8 +/- 17.8; controls: 1.2 +/- 12.7). Motor impairment was more common in children with developmental language impairment (70%) than controls (8%). CONCLUSIONS: Developmental language impairment is characterized by a broad spectrum of developmental impairments. Children identified on the basis of language impairment show significant motor comorbidity. Motor assessment should form part of the evaluation and follow-up of children with developmental language impairment.

Child↗