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Effects of parental style of interaction on language development in very young severe and profound deaf children.

AIMS: (1) To study the influence of different styles of parent-child interaction in the language development of very young deaf children. (2) To find out if there are differences in parent-child interaction between two groups of very young deaf children following an Aural/Oral or a Bilingual approach to education. METHODS: Subjects were selected from all deaf children in the County of Avon who were under 3 years of age at the time of first assessment, had severe or profound, bilateral, sensorineural hearing loss and no associated medical problems. There were 16 children and families at the start of the project but only 13 completed all the assessments. The Bristol Language Developmental Scales (BLADES) was used to assess both sign and spoken language development. Interaction was studied through analysis of contingency and book-reading applied to selected periods of 3 min from four videorecorded sessions, taken at 3 months intervals for a period of 1 year. RESULTS: From the 13 children studied, only seven presented with some degree of expressive language measurable by the BLADES. Analysis of contingency showed that parents present with higher percentage of both Direct Related Acts and ON then their children Acts (On Acts: where both individuals are involved in the same task). Regarding bookreading, it was observed that parents often attend to child initiatives and acknowledge most of them but they make little effort to expand or use the child's message as topic for further conversation. In the reduced sample of seven children with expressive language, those with better language development had parents with: (a) higher percentage of DR acts; (b) higher percentage of ON acts; (c) higher percentage of appropriate responses to child communicative initiatives. CONCLUSIONS: In this small group language development seems to be facilitated by encouraging child participation and using a more contingent and child centred interaction. No significant differences were found between oral and bilingual families in terms of quality of interaction.

Child, Preschool↗

Communication development in young children with long-term tracheostomies: preliminary report.

Communication development was studied in 77 subjects with long-term tracheostomies ranging in age from two months to 7 years. Children were categorized according to tracheostomy status (cannulated or decannulated), presence of speech practice prior to cannulation, and level of language development (prelinguistic or linguistic) at the time of decannulation. All were aphonic and consequently deprived of speech experience for extended periods while tracheostomized. Twenty-three children have been studied post-decannulation. Results for the children decannulated during the prelinguistic stage revealed that speech and language skills were attained commensurate with intellectual functioning. This evidence led to the conclusion that extensive, audible prespeech practice (cooing and babbling) was not needed for later spoken language development. All children decannulated during the linguistic stage exhibited specific spoken language delays including phonological impairment at the time of decannulation. The presence of speech practice prior to cannulation did not appear to be a factor in the severity of phonological impairment. The children who were cannulated for more lengthy time periods, extending into the linguistic stage, however, demonstrated more severe phonological impairment than those who were decannulated during the prelinguistic stage. With direct speech/language therapy, 20 of the 23 decannulated children eventually compensated for these difficulties, demonstrating appropriate spoken language skills. Alternative communication modalities were felt to be crucial in reducing communicative frustrations during cannulation.

Child↗

Speech development in young institutionalized retarded children under an early intervention procedure.

The author describes the speech development in 43 young institutionalized retarded children under a therapeutic-rehabilitative procedure which lasted two years. Retarded children not following the special rehabilitation program and normally developing children from the same institution were used as control groups. The development of speech in the rehabilitation group was significantly better than that of the retarded group, but not as good as that of the control group of normally developing children.

Child, Preschool↗

Language transactions during development and intervention: theoretical implications for developmental neuroscience.

Recent modeling of language development and intervention for children with disabilities has increasingly focused on the interactions between adults and children. These models have resulted in a number of recent advances in the behavioral treatment of language abilities in children with disabilities. Because these interventions are associated with substantial growth in a number of skills including speech, grammar and vocabulary, these paradigms may provide a useful model for studying neurological development of these aspects of language. The purpose of this paper is to discuss the potential neurodevelopmental ramifications of this type of theoretical model for facilitating language growth in children with and without disabilities. Indeed, because intervention can sometimes trigger rapid advances in language skills and presumably, associated neurological organization, this may prove to be a very useful paradigm for understanding the neurological correlates of language growth.

Brain↗

Development of early motor skills and language in children at risk for familial dyslexia.

Differences in motor development and the relationship between motor and language development were studied in 88 children with familial risk for dyslexia (43 females, 45 males; at-risk group) and 88 children without familial risk for dyslexia (35 females, 53 females; control group; n=176) during the first two years of life. A structured parental questionnaire was used to assess motor development. Expressive language skills were assessed at the age of 18 months with the Reynell Developmental Language Scales and at 18 and 24 months with the MacArthur Communicative Development Inventories. At group level, the motor development of children in both the at-risk and control groups was similar. However, motor development showed a different pattern in these groups. Cluster analyses revealed three clusters in the control group: 'fast motor development', 'slow fine motor development', and 'slow gross motor development'. In the at-risk group, only two clusters were found: 'slow motor development' and 'fast motor development'. A significant difference (p=0.03) was found between the clusters in the MacArthur Communicative Development Inventories. Children with familial risk for dyslexia and slow motor development had a smaller vocabulary and produced shorter sentences than the all other children. Associations between motor and language difficulties are discussed.

Child↗

Verbal and nonverbal predictors of early language problems: an analysis of twins in early childhood back to infancy.

We investigated infant precursors of low language scores in early childhood. The sample included 373 probands in 130 monozygotic (MZ) and 109 same-sex dizygotic (DZ) twin pairs in which at least one member of the pair scored in the lowest 15th percentile of a control sample on a general language factor derived from tester-administered tests at 4 ; 6. From data at 2 ; 0, 3 ; 0 and 4 ; 0 the antecedents of poor language performance at 4 ; 6 for these probands were compared to 290 control children. As early as 2 ; 0, language measures substantially predicted low-language status at 4 ; 6, with predictions increasing at 3 ; 0 and 4 ; 0. Nonverbal cognitive development at 3 ; 0 and 4 ; 0 was nearly as predictive of low language at 4 ; 6 as were the language measures. Behaviour problems were also significant predictors of low language status although the associations were only about half as strong. Bivariate genetic analyses indicated that these predictions are mediated by both genetic and shared environmental links.

Child, Preschool↗

The acquisition of relative clause comprehension in Hebrew: a study of SLI and normal development.

Comprehension of relative clauses was assessed in 10 Hebrew-speaking school-age children with syntactic SLI and in two groups of younger children with normal language development. Comprehension of subject- and object-relatives was assessed using a binary sentence-picture matching task. The findings were that while Hebrew-speaking children with normal development comprehend right-branching object relatives around the age of 6 ; 0, children with syntactic SLI are still at chance level in object relatives by age 11 ; 0. The four-year-olds were also at chance on object relatives. Comprehension of subject relatives was good in the SLI group, similar to the six-year-olds, and significantly better than the four-year-olds. The syntactic impairment is interpreted as a selective deficit to non-canonical sentences that are derived by movement.

Child↗

Conversational responsiveness in specific language impairment: evidence of disproportionate pragmatic difficulties in a subset of children.

Eighteen children with specific language impairment (SLI), from 6 to 8 years of age, were compared with 9 control children matched on age and nonverbal ability (CA controls) and with 9 younger control children of comparable language level (LA controls). Half of the SLI group were rated on a teacher checklist as having pragmatic difficulties: these were referred to as the pragmatic language impairment (PLI) group; the remainder were the typical (SLI-T) group. Children's responses to adult soliciting utterances were compared. All children usually responded to conversational solicitations, but children in the PLI group were more likely than control children to give no response, and they also made very little use of nonverbal responses, such as nodding. Nonverbal responding was closely related to the quality of children's responses. Children who failed to use nonverbal responses also had a relatively high level of pragmatically inappropriate responses that were not readily accounted for in terms of limited grammar or vocabulary. This study lends support to the notion that there is a subset of the language-impaired population who have broader communicative impairments, extending beyond basic difficulties in mastering language form, reflecting difficulty in responding to and expressing communicative intents. The analytic methods developed for this project have promise for the study of pragmatic difficulties in other clinical groups.

Adult↗

Discourse processes underlying social competence in children with language learning disabilities.

Children with both a language impairment and a learning disability are at risk for poor social competence. Yet the processes that place these children at risk remain unclear. A developmental-organizational perspective was used to explore processes underlying risk for poor social competence among language learning disable children. To this end, the relative influences of language learning disability and social discourse skills on social competence were examined in 50 language learning disabled (LLD) and 50 control (non-LLD) children aged 8-12 years. Findings indicated that social discourse skills mediated the relation between LLD status and children's social competence. Specifically, a domain of social discourse, figurative language, was the strongest mediator of the effect of LLD status on social competence. Additionally, differences were confirmed between the LLD and non-LLD group in two domains of social discourse, recreating sentences and figurative language, as well as social competence. Two other domains of social discourse, understanding ambiguous sentences and making inferences, did not discriminate the groups. The findings emphasize the importance of analyzing interrelations among domains to identify critical factors related to developmental outcomes.

Child↗

Computer-supported phonological awareness intervention for kindergarten children with specific language impairment.

PURPOSE: The purpose of the present study was to determine whether kindergarten children with specific language impairment (SLI) could develop phonological awareness skills through computer intervention and whether speech manipulation (i.e., slowing speech rate and enhancing transitions) in instruction produced additional learning. METHOD: The effects of a computer-supported phonological awareness program on a variety of items, including word analysis, syllable analysis, rhyme, phoneme analysis, syllable synthesis, and phoneme synthesis, were tested following a pretest-posttest 1-posttest 2 design. Twenty-four kindergarten children with SLI in the Netherlands received 3.5 hr of phonological awareness intervention via a computer program using either normal speech (12 children) or manipulated speech (12 children). A control group of 12 kindergarten children with SLI played computer vocabulary games. RESULTS: The results showed positive effects of the intervention for the normal speech group. Eighteen weeks later, the effect size was still substantial; however, no additional effects of speech manipulation were found. CLINICAL IMPLICATIONS: The results suggest that kindergarten children with SLI benefit from computer intervention for phonological awareness skills.

Analysis of Variance↗

Language functioning of residents in family homeless shelters.

The number of individuals who are homeless is rising, particularly among families (typically mothers) with preschool children. This study examined the speech-language abilities of 25 mothers and their preschool children residing in urban homeless shelters. Results of standardized testing revealed that the majority of the mothers and their preschool children presented with overall language deficits or delays which were present in at least 1 of 4 language modalities: auditory comprehension, verbal expression, reading, and writing. Clinical and research implications of these results for both the mothers and their children are discussed.

Adult↗

Utility of the MacArthur-Bates communicative development inventory in identifying language abilities of late-talking and typically developing toddlers.

The present study investigated the validity of the MacArthur-Bates Communicative Development Inventory (CDI) for a group of toddlers 30 months of age. Study 1 examined the concurrent validity of the CDI for a group of 38 late talkers. Significant correlations were found between the CDI and direct measures of language abilities. Study 2 used likelihood ratio analysis to determine how well the CDI sorted 100 toddlers (38 late talkers and 62 children with a history of normal language development) according to language status based on direct assessment measures. The analyses showed that the CDI was effective in identifying children with low language skills up to the 11th percentile and in identifying children with normal language skills above the 49th percentile.

Case-Control Studies↗

Use of narrative-based language intervention with children who have specific language impairment.

Ten 7-8-year-old children with specific language impairment participated in a 6-week program of narrative-based language intervention (NBLI) in an effort to evaluate NBLI's feasibility. Each intervention session targeted story content as well as story and sentence form using story retell and generation tasks. Eight children achieved the clinically significant improvement criterion from pre- and posttest comparisons of at least 1.45 points on a narrative quality (NQ) rating (p<.013). Throughout the NBLI program, the children were informally observed to show increased self-confidence in their narrative production skills. Nearly all children preferred story generation activities over story retell tasks, while story retell tasks were favored over sentence imitation drills. Pre- and posttest comparisons for number of different words, developmental sentence score, and a sentence imitation task were nonsignificant. This indicated no further evidence of positive outcomes for NBLI. Based on the significant findings for NQ, NBLI is worthy of further investigation. Modifications to enhance its ability to produce positive gains are discussed.

Child↗

Narrative content as described by individuals with Down syndrome and typically developing children.

Narratives of the wordless picture story, Frog, Where Are You?, by 33 individuals with Down syndrome and typically developing children (33 matched for mental age, 33 for syntax comprehension, 33 for mean length of utterance) were analyzed for expression of plot line, story theme, and the protagonists' misadventures in the story. Despite their restricted expressive syntax and vocabulary, the group with Down syndrome expressed more plot line and thematic content and more of one of the protagonists' misadventures than the MLU controls; they most resembled the syntax comprehension control participants. We conclude that the group with Down syndrome had a conceptual understanding of the picture story similar to that of the TACL-R group and a strategy for expressing that understanding despite expressive lexical and syntactic limitations; this resulted in the expression of more narrative content than formal measures of expressive language would predict. We propose that the higher syntactic comprehension skills of the group with Down syndrome, combined with their experience with story content (listening to stories), may have contributed to their developing higher-level story schemas than would be expected given their MLUs.

Adolescent↗