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PubMed1990

Grammatical awareness in the spoken and written language of language-disabled children.

Experiments examined grammatical judgement, and error-identification deficits in relation to expressive language skills and to morphemic errors in writing. Language-disabled subjects did not differ from language-matched controls on judgement, revision, or error identification. Age-matched controls represented more morphemes in elicited writing than either of the other groups, which were equivalent. However, in spontaneous writing, language-disabled subjects made more frequent morphemic errors than age-matched controls, but language-matched subjects did not differ from either group. Proficiency relative to academic experience and oral language status and to remedial implications are discussed.

Attention↗

PubMed1991

Early second language acquisition: a comparison of the linguistic output of a pre-school child acquiring English as a second language with that of a monolingual peer.

Two pre-school children were recorded at regular intervals over a 9-month period while playing freely together. One child was acquiring English as a second language, whilst the other was a monolingual English speaker. The sociolinguistic domain was such that the children were likely to be motivated to communicate with each other in English. A variety of quantitative measures were taken from the transcribed data, including measures of utterance type, length, type-token ratios, use of auxiliaries and morphology. The child for whom English was a second language was found to be well able to interact on equal terms with his partner, despite being somewhat less advanced in some aspects of English language development by the end of the sampling period. Whilst he appeared to be consolidating his language skills during this time, his monolingual partner appeared to be developing rapidly. It is hoped that normative longitudinal data of this kind will be of use in the accurate assessment of children from dual language backgrounds, who may be referred for speech and language therapy.

Child Language↗

PubMed1975

Personality organization and language behavior: the imprint of psychological differentiation on language behavior in varying communication conditions.

The language behavior of field-independent (F-D) clinically normal, verbally resourceful femal college students was examined in three different communication conditions: Dialogue, Warm (vissually supportive) monologue, and Cold (visually nonsupportive and stressful) Monologue. F-I and F-D Ss produced similar amounts of the different types of language behavior evaluated in each of the three communicative conditions. However, they differed with respect to verbal output and length of sentence "packaging" unit in Monologue conditions. F-D Ss talked considerably less but at the same time produced different types of grammatically more elaborate language behavior in Warm and Cold Monologue compared to their Dialogue language behavior. F-I Ss talked considerably more but also showed a type of language autonomy. The pattern of language behavior which characterized F-I speech in Dialogue remained the same in both Monologue conditions.

Adolescent↗

PubMed1977

Influence of certain language and communication environments in early childhood on the development of language in deaf individuals.

Four groups of deaf subjects between the age of 10-0 and 18-11 years were tested, employing the Test of Syntactic Ability, and the language subtests of the Stanford Achievement Test, in a study of the influence of early language and communication environment on later syntactic language ability. The groups, 18 subjects in each, were dichotomized by whether the parents were hearing or deaf and further subgrouped by the language ability of the parents if the parents were deaf, and by the amount and intensity of oral preschool training provided by the parents if the parents were hearing. The groups were labeled by the type of language used with them in infancy and early childhood: manual English, average manual, intensive oral, and average oral. Results showed significant superiority of the manual English group over the two oral groups on five of the six major test structures of the Test of Syntactic Ability. On the Stanford Achievement Test, the manual English group performed significantly better than the other three groups on all four subtests. The two manual groups performed significantly better than the two oral groups on every test measure employed.

Achievement↗

PubMed1991

The use of an invented language rule in the differentiation of normal and language-impaired Spanish-speaking children.

The purpose of the present study was to determine whether the results of a language-teaching procedure could be used to identify specific language-impaired children in a group of bilingual children with limited English proficiency (LEP). An invented morpheme was taught to two groups of LEP children who had been previously identified as normal and specific language-impaired. The language-impaired group learned the morpheme at a slower rate than the normal children, thus allowing the two groups to be differentiated. The approach promises to circumvent many of the obstacles that impede current practices for identifying language impairment in the LEP population.

Child↗

PubMed1989

Electrocorticographic (ECoG) correlates of language. I. Desynchronization in temporal language cortex during object naming.

The electrocorticogram (ECoG) was recorded during a language task, silent naming, from sites identified as essential for naming by electrical stimulation mapping and from surrounding cortex of left dominant temporal cortex at craniotomies under local anesthesia. The ECoG was analyzed quantitatively for a reduction in spectral density in 7-12 Hz frequencies indicating 'desynchronization.' These measurements were made on the averaged ECoG in 3 subjects and on individual ECoG segments in 4. Statistically significant increases in desynchronization were identified during silent naming at most sites essential for language, most often in the epoch from 700 to 1200 msec after presentation of the item to be named. During silent naming, there was a greater degree of desynchronization at those sites than in surrounding cortex. At several sites essential for language in several subjects, significantly less desynchronization was evident during a spatial task using physically identical stimuli. Thus, localized desynchronization in temporal cortex is an ECoG change with temporal, anatomic, and sometimes behavioral specificity to a language task. This finding provides insights into cortical physiologic mechanisms active during human language.

Adult↗

PubMed1985

The relationship between auditory temporal analysis and receptive language development: evidence from studies of developmental language disorder.

The relationship between sensory, perceptual and motor abilities and receptive language abilities was studied in developmental dysphasic children. The tests administered included experimental auditory, visual and cross-modal perceptual tests. In addition, a battery of neurodevelopmental "soft sign" sensory, perceptual and motor tests were also given. Demographic and case history data were collected. Receptive language was derived based upon a battery of standardized language tests. Multivariate analyses were employed to examine the relationship between receptive language and sensory, perceptual and motor abilities. Results demonstrated that auditory perceptual variables, specifically those requiring rapid temporal analysis, were most highly correlated with the degree of receptive language deficit of the dysphasic children.

Aphasia↗

PubMed1978

Verbal information gathering strategies: the child's use of language to acquire language.

Recent investigations suggest that normally developing infants are active participants in a language-transmission partnership with the mature speakers in their environments. In a recent paper, (Snyder, McLean, 1977) we noted that available data suggest several specific language acquisition strategies exhibited by children in these interactions. While the earlier paper focused on a set of posited nonverbal strategies, this sequel focuses on two broad types of early verbal behavior that function as effective strategies for the language-learning child. These posited verbal acquisition strategies are referred to as selective imitation and metalinguistic utterance production. The conflicting theory and data on the role of early verbal imitation are reviewed, and it is concluded that selective imitation is most functional at specific stages of the language acquisition process. A hierarchy of metalinguistic utterance types is suggested, ranging from those reflecting the highest apparent intentionality (that is, interrogative utterances) to those reflecting the least (referred to as evocative utterances). Suggestions for future research are offered and implications for language intervention are discussed.

Adult↗

PubMed1992

Relations among verbal and nonverbal cognitive skills in normal language and specifically language-impaired children.

This study tested the hypothesis that specifically language-impaired (SLI) children have a qualitatively different cognitive system from that of normal language (NL) children. Twenty NL and 20 SLI children between the ages of 4:2 (years:months) and 5:11 were presented with experimental language-learning measures, experimental nonverbal measures, and verbal and nonverbal norm-referenced tests. A confirmatory analysis of the covariance matrix structures of the two subject groups indicated that relations among cognitive skills differed between NL and SLI children. In addition, a planned comparison indicated that the relation between nonverbal rule-induction and novel bound-morpheme learning differed significantly between groups. The findings indicate that a "qualitative-differences" model of specific language impairment better accounts for the co-occurrence of poor verbal and poor nonverbal cognitive skills in SLI children than a "low-normal" model.

Child, Preschool↗

PubMed1989

The Language Development Survey: a screening tool for delayed language in toddlers.

This paper reports data from four studies using the Language Development Survey (LDS), a vocabulary checklist designed for use as a screening tool for the identification of language delay in 2-year-old children. A survey completed by the parent in about 10 min, the LDS displayed excellent reliability as assessed by Cronbach's alpha and test-retest techniques. Total vocabulary score as reported on the LDS was highly correlated with performance on Bayley, Reynell, and Preschool Language Scale expressive vocabulary items. The LDS was found to have excellent sensitivity and specificity for the identification of language delay, with a criterion of fewer than 50 words or no word combinations at 2 years yielding very low false positive and false negative rates. Data from three of these studies demonstrate the utility of the LDS as a screening tool for children attending public and private pediatric practices. Prevalence data using the LDS are reported comparing three different severity cutoffs for more than 500 children in seven survey samples.

Child, Preschool↗

PubMed1976

An examination of the semantic relations reflected in the language usage of normal and language-disordered children.

Language samples were obtained from 40 children in order to examine semantic relations reflected in language usage as a function of chronological age (three and five years) and linguistic status (normal and language disordered). Normal-disordered comparisons were made under both matched utterance length and matched age conditions. Results are interpreted as supporting the notion that the disordered-language usage reflected semantic relations consistent with an earlier level of development.

Age Factors↗

PubMed1992

Cohesion repairs in the narratives of normal-language and language-disordered school-age children.

The self-initiated repairs produced by 14 normal-language and 14 language-disordered children during a story retelling task are described. When grammatical repairs and repairs to text meaning were analysed, no group differences were found for either repair type. Both groups initiated significantly more repairs to text meaning. When repairs to text meaning were probed for the cohesive aspects of the repair activity, there were no group differences for the frequency or the types of cohesive repairs that were initiated. However, differences were significant for the success of the cohesive repair attempts and for the location of the repairs. Normal-language and language-disordered children appear to share similar strategies for monitoring narrative discourse, but they differ in their abilities to actualize their monitoring attention.

Child↗

PubMed1992

Characteristics of children with specific language impairment attending language units.

The characteristics of children with specific language impairment (SLI) attending four language units in the north-west of England are examined. The present study involved 15 children with SLI and two sets of control groups: a same-age group and an MLU-matched group (MLU = mean length of utterance). Results are discussed in terms of the following questions: Do children with SLI attending language units fit the classic definition of SLI? Can children with SLI be categorised as having expressive versus receptive language problems? What other aspects of educational attainment such as reading, maths and science are affected by SLI? The paper ends with implications for future research.

Child↗

PubMed1978

Computer-assisted analysis of written language: assessing the written language of deaf children.

Methods for assessing the written language of deaf students are reviewed. The merits and shortcomings of various objective indicators that have traditionally been used are discussed. These include various measures of total output, such as total number of words or sentences, and simple measures of diversity of usage such as the type-token ratio. There have been several attempts in recent years to include objective measures of syntactic complexity as part of an overall language assessment program. The use of a computer to assist teachers in the derivation of such syntactic measures is described. Two illustrative examples are provided. The first shows how the computer system performs a detailed syntactic analysis on a typical sentence taken from the written language of a deaf child. The second example shows how the system provides a summary analysis of several sentences in a theme. A statistical count of the syntactic forms used in the written language sample is provided at the end of the analysis.

Adolescent↗

PubMed1988

Topic manipulation and conversational participation as a function of familiarity in school-age language-impaired and normal language peers.

This study investigated the topic manipulation skills and conversational participation of school-age language-impaired children (LI) in interactions with normal language peers. The subjects consisted of eight dyads of a normal language child and a language-impaired child balanced for approximate age and sex. They ranged in age from 5.11 to 7.11 years of age. The subjects participated in two conversations in order to explore the effects of familiarity on conversational participation. The subjects were unfamiliar with each other before the study began. Fifteen to twenty minutes of discourse were taped, transcribed, and analyzed for the number and proportion of topics maintained, topics introduced, topics reintroduced, topics shaded, and the number and proportion of back channel responses produced in Session 1 and Session 2. A behavioral measure was included to clarify whether conversational nonassertiveness was related to a behavioral style of interaction. No significant differences were found between the LI children and the normal children for the number and proportion of topics maintained, topics introduced, or topics shaded. However, the LI subjects did produce significantly more topic reintroductions than the normal subjects. The number and proportion of back channel responses was not found to differ significantly between the two groups. A familiarity effect was demonstrated by a reduction in the number of utterances produced in Session 2 as compared to Session 1 as the children interacted less in the second conversation. Several interpretations of the results are discussed.

Child↗

PubMed1990

Modifications of speech language levels by preservice educators based on language features.

Increased efforts to mainstream handicapped learners have been accompanied by a growing concern for the ability of mainstream educators to accommodate the special needs of these students. A particular concern involves the ability of mainstream educators to adjust their levels of spoken language when conversing with hearing-impaired learners. The present study compared the language levels produced by preservice educators with either high or low levels of previous experience with hearing-impaired individuals. Results indicated that (1) neither group adjusted their spoken language to levels understood by two hearing-impaired women and (2) members of the high experience group produced higher language levels than members of the low experience group. Discussion of these results focuses on implications for interactions with hearing-impaired learners.

Adult↗

PubMed1990

Quantifying language development from birth to 3 years using the Early Language Milestone Scale.

A point-scoring technique for the Early Language Milestone Scale is described. Normative data based on the original 1982 cross-sectional sample and validation data based on a separate longitudinal sample are presented. Mean Early Language Milestone Scale point scores, standard deviations, and percentile equivalents for raw point scores are presented for all ages from birth to 36 months. Correlations between point scores on the Early Language Milestone Scale and scores on other standardized developmental tests such as the Stanford-Binet Intelligence Scale, the Peabody Picture Vocabulary Test, and the Illinois Test of Psycholinguistic Abilities are presented. The clinical and research advantages of this point-scoring technique are presented and compared with the original pass/fail scoring method.

Child, Preschool↗

PubMed1989

Early Language Milestone Scale and language screening of young children.

The purpose of this project was to evaluate the use of the Early Language Milestone Scale (ELM) in screening language skills in young children. In this study, 657 children from birth to 36 months of age were evaluated with the ELM. The overall failure rate was 8%. Children who failed the ELM screening were evaluated with the Sequenced Inventory of Communication Development (SICD) that was used as the "gold standard" for diagnosing language disorders. In the 12-month age and younger group, there was poor agreement between the ELM Scale and the SICD. For infants 13 to 24 months of age, there was moderately good agreement between the SICD and a second ELM that was administered 1 to 2 weeks after the initial screening. In the 25- to 36-month age group, there was excellent agreement between the SICD and a rescreen ELM. The agreement between the two instruments indicated that the rescreen ELM correctly classified 79% of the 13- to 24-month-old infants and 89% of the 25- to 36-month-old toddlers.

Child, Preschool↗