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PubMed1991

Effects of an Asian client-therapist language, ethnicity and gender match on utilization and outcome of therapy.

The purpose of this study was to examine the relationship of Asian client-therapist ethnicity, language and gender match on two measures of utilization: number of sessions with primary therapist and dropout from therapy; and one measure of client outcome: admission-discharge difference in Global Assessment Scale (GAS) scores. The sample consisted of 1746 Asian client episodes in Los Angeles County mental health facilities between January 1983 and August 1988. Various types of multiple regression analyses were used to investigate the relationship of language, ethnicity, and gender match to the three dependent variables and to eight socio-demographic variables. Either client-therapist language match or ethnic match significantly increased the number of client sessions with the primary therapist. However, only ethnicity match had a significant effect on dropout rate. Gain in GAS admission-discharge score was not affected by either a client-therapist ethnicity or language match. Gender match had no consistent effect on the dependent variables. Of the covariates examined, only therapist discipline (social worker) had a consistent effect on the dependent variables. It was concluded that both client-therapist language and ethnicity match are important variables affecting the utilization of treatment. Further research will be needed to separate the effects of language and ethnicity on therapy utilization.

Adolescent↗
PubMed1992

Language intervention and disruptive behavior in preschool children with autism.

Disruptive behaviors are often exhibited by children with severe disabilities during difficult teaching tasks. Because learning verbal communication can be a difficult task for nonverbal children with autism, disruptive behaviors are common during such interventions. The purpose of this experiment was to assess whether the incorporation of parameters of natural language interactions and motivational techniques might reduce disruptive behavior during language teaching tasks. Within a repeated reversals design with order of conditions and number of sessions varied within and across children, treatment was conducted for two language teaching conditions. During one condition trials were presented serially in a traditional analog clinical format where the therapist presented instructions, prompts, and reinforcers for correct responses. The other condition incorporated parameters of natural language interactions and motivational techniques, such that stimulus items were functional and varied; natural reinforcers were employed; communicative attempts were reinforced; and trials were conducted within a natural interchange. Results showed that greater improvements in responding and considerably less (often negligible) disruptive behavior occurred during the natural language teaching conditions. Results are discussed with respect to their implications for improving language interventions, and with respect to reducing disruptive behavior without the need for specialized or severe interventions focused specifically on the disruptive behavior.

Autistic Disorder↗
PubMed1999

Language difficulties in an outpatient clinic in Switzerland.

This small-scale study attempts to examine the languages spoken in medical consultations during a one-month period in an outpatient clinic in Geneva and the ways health professionals use to communicate with their allophone patients, in particular by using interpreters. Patients of foreign origin accounted for 58% of all the consultations during the survey. Of these, 37% were Non-French-speakers (NFS). The four major language groups of NFS were Albanian, Somali, Tamil and Serbo-croat. Qualified interpreters were used in 24% of the consultations, relatives acting as interpreters in 17%, and in the other consultations without anyone interpreting (59%), a common language had to be negotiated: French, English, Italian, Spanish or German. In only 14% of the consultations without interpreters, both patient's and doctors ability to speak a common language was rated as good. Our data suggest that there has been an increasing awareness of the possible language barriers in the medical outpatient clinic. Even if proxy solutions (informal interpreters or the use of a common language) still play an important role, access to an interpreter service has been widely used. This calls for systematic and regular interpreter use, planning the interpreting needs in a timely manner. In the future, training in working with interpreters should become an integral part to the introductory sessions for the junior physicians assigned to the outpatient clinic.

Ambulatory Care Facilities↗
PubMed1996

Gyral morphology in the posterior Sylvian region in families affected by developmental language disorder.

This study describes the family aggregation of gyral morphology in the posterior perisylvian region in families that contain one or more children with a developmental language disorder. The probands in these families were 8 male and 2 female children referred through therapy programs and schools for children with language and reading problems. Family members included both biological parents (10 m, 10 f) and all available siblings (6 m, 4 f). Gyral morphology in the members of these families was compared with control subjects (10 m, 10 f) who were without a personal or family history of developmental language disorders. Gyral morphology was evaluated using T1-weighted sagittal scans from a GE Signa 1.5T magnet, 5 mm consecutive slices through the full brain volume. A less common type of Sylvian fissure morphology was more frequently found in the hemispheres of language-disordered subjects and their first-degree relatives than in control subjects. In addition, the pattern of Sylvian fissure morphology across generations within the families suggests that this feature might be inherited from either parent. The elevated rate of extra gyri in the posterior perisylvian region in families affected by language disorder links an anomaly within a language-related brain region with familial risk for this disorder.

Adult↗
PubMed2007

[Critical factors for subjective burden of mothers of children with developmental language disorders].

BACKGROUND: In earlier studies, it was found that mothers of children with developmental language disorders had a higher incidence of anxiety and depression in comparison to the normal population. This study concentrated on the following questions: is the perceived stress, anxiety and depression of mothers with children with developmental language disorders higher than in the normal population, even for those mothers who are not exposed to any further stressors? and what environmental factors play an important role in the mental health of the mothers? MATERIALS AND METHODS: A total of 90 mothers (aged 32.9+/-4.7 years) of preschoolers diagnosed with a developmental language disorder, but with otherwise normal development, participated in the study. The mental health of the mothers was assessed using the Perceived Stress Scale (PSS) and the German version of the Hospital Anxiety and Depression Scale (HASD-D). Environmental factors were captured by a structured anamnestic procedure. Predictors of mental health were determined using multivariate regression analysis. RESULTS: The entire sample demonstrated significant levels of stress, anxiety and depression. In comparison to the standardized values, those mothers of children with developmental language disorders who were not exposed to any further stressors, were also shown to have significantly higher rates of stress and depression on the scales used, although not significantly higher levels of anxiety. A significant predictor of positive overall mental health of the mothers was the extent of adequate support in child rearing. CONCLUSIONS: Health professionals dealing with children with developmental language disorders must reckon with a considerable number of mothers whose mental health is negatively affected. When treating a child with a developmental language disorder, measures to improve the mother's state of well-being should be considered, including counseling and self-help groups.

Adult↗
PubMed2002

Non-invasive regime for language lateralization in right- and left-handers by means of functional MRI and dichotic listening.

Language lateralization was assessed by two independent functional techniques, fMRI and a dichotic listening test (DLT), in an attempt to establish a reliable and non-invasive protocol of dominance determination. This should particularly address the high intraindividual variability of language lateralization and allow decision-making in individual cases. Functional MRI of word classification tasks showed robust language lateralization in 17 right-handers and 17 left-handers in terms of activation in the inferior frontal gyrus. The DLT was introduced as a complementary tool to MR mapping for language dominance assessment, providing information on perceptual language processing located in superior temporal cortices. The overall agreement of lateralization assessment between the two techniques was 97.1%. Conflicting results were found in one subject, and diverging indices in ten further subjects. Increasing age, non-familial sinistrality, and a non-dominant writing hand were identified as the main factors explaining the observed mismatch between the two techniques. This finding stresses the concept of an intrahemispheric distribution of language function that is obviously associated with certain behavioral characteristics.

Adult↗
PubMed2000

Nash equilibria for an evolutionary language game.

We study an evolutionary language game that describes how signals become associated with meaning. In our context, a language, L, is described by two matrices: the P matrix contains the probabilities that for a speaker certain objects are associated with certain signals, while the Q matrix contains the probabilities that for a listener certain signals are associated with certain objects. We define the payoff in our evolutionary language game as the total amount of information exchanged between two individuals. We give a formal classification of all languages, L(P, Q), describing the conditions for Nash equilibria and evolutionarily stable strategies (ESS). We describe an algorithm for generating all languages that are Nash equilibria. Finally, we show that starting from any random language, there exists an evolutionary trajectory using selection and neutral drift that ends up with a strategy that is a strict Nash equilibrium (or very close to a strict Nash equilibrium).

Algorithms↗
PubMed2006

ADHD and language impairment: A study of the parent questionnaire FTF (Five to Fifteen).

The parental questionnaire FTF (Five to Fifteen) was given to parents of 76 children (mean age 11 years) diagnosed with ADHD. About half of the children had at least once been referred to a speech- and language pathologist. Most of them had not received any intervention or follow-up. A factor analysis identified six problem areas, which explain close to 75% of the total variation: Cognitive Skills, Motor/Perception, Emotion/Socialisation/Behaviour, Attention, Literacy Skills and Activity Control. The majority of the children had pragmatic problems, which are associated with some of the core aspects of the ADHD symptoms, especially inattention and impulsiveness. Communication and language comprehension caused these children many more problems than expressive language. Problems of reading and writing were very frequent. IQ-score was associated with maths and reading/writing. Additional items reflecting language skills, in particular language comprehension and pragmatics, were also found in other domains in the FTF, mainly in Executive functions, Learning and Social skills. Problems with language and pragmatics thus seem to be associated with the typical problems with learning and social skills in children with ADHD.

Adolescent↗
PubMed2006

Recognition of inflected words in a morphologically limited language: frequency effects in monolinguals and bilinguals.

The effect of word frequency on the processing of monomorphemic vs. inflected words was investigated in a morphologically relatively limited language, Swedish, with two participant groups: early Finnish-Swedish bilinguals and Swedish monolinguals. The visual lexical decision results of the monolinguals suggest morphological decomposition with low-frequency inflected nouns, while with medium- and high-frequency inflections, full-form processing was apparently employed. The bilinguals demonstrated a similar pattern. The results suggest that morpheme-based recognition is employed even in a morphologically limited language when the inflectional forms occur rarely. With more frequent inflectional forms, full-form representations have developed for both mono- and bilingual speakers. In a comparable study employing a morphologically rich language, Finnish, Lehtonen and Laine (2003, Bilingualism: Language and Cognition, 6, 213-225) observed full-form access only at the high-frequency range and only for monolinguals. These differences suggest that besides word frequency and language background, the morphological richness of a language affects the processing mode employed with polymorphemic words.

Adult↗
PubMed1981

Patterns of language performance in educable mentally retarded children.

Forty-one familial educable mentally retarded children were given 12 language tasks measuring comprehension, formulation, and repetition at the semantic, syntactic, and phonologic levels of language. Through the Q technique of factor analysis, six language patterns, derived from positive and negative loadings on three factors, emerged. The six patients of language performance revealed that these mentally retarded children did not perform the same across all language dimensions. Their language performance demonstrated different patterns of strengths and weaknesses among the tasks relative to their overall performance.

Child↗
PubMed1985

Production and comprehension of narrative discourse in normal and language disordered children.

Children's use of cohesion in spoken narratives was compared across three groups: normal, language disordered with good story comprehension, and language disordered with poor story comprehension (CA: 7:6-10:6). Comprehension was defined by the children's responses to questions structured to assess both factual information and knowledge of episodic relationships. Results indicated that the good comprehending language disordered children and the normal children used similar linguistic cohesive structures, but both groups differed from the poor comprehending language disordered children. Both groups of language disordered children used less adequate cohesion than the normal children. Discussion and conclusions are presented on the various levels of language ability that contribute to narrative discourse.

Child↗
PubMed1985

The discovery of the physical basis of language during the eighteenth century in Europe.

Reflection about the relationship between language and body has a long history. In spite of the fact that for centuries the most audacious thinkers and philosophers have established a close link between brain and speech, it is the merit of the century of enlightenment to have examined the problem of these relationships. To accept the fact that language was a product of the physical nature of humans, it was necessary to demonstrate that language abilities could originate from our activities and not from a gift of God and to explain that language was in fact the product of human social life. This article shows the most significant steps of these efforts by the thinkers of the eighteenth century to reevaluate in a more realistic way the whole problem of language's origin and of the physical conditions that determine the acquisition of speech by humankind. Meanwhile, new theories about the brain and the nervous system give some support to those who definitely wish to see language merely as a human product.

Brain↗
PubMed1989

Handedness and language among the mentally retarded: implications for the model of pathological left-handedness and gender differences in hemispheric specialization.

The relationship between handedness and language was examined among 238 mentally retarded subjects representing the four DSM III classification ranges of mental retardation. Language ability was found to be significantly related to handedness, with an increased prevalence of left-handedness among those individuals with language deficits. In addition, both expressive and receptive language ability interacted with gender, with the main effects of each language variable being stronger for females than males. Although no main effects were found for severity of retardation, a significant interaction was found between severity and gender. Results support the model of pathological left-handedness and are discussed within the context of this theory, as well as with regard to gender differences in cerebral lateralization of language and cognitive functioning.

Adolescent↗
PubMed1984

Spontaneous translation and language mixing in a polyglot aphasic.

The literature on language mixing in polyglot aphasics is reviewed and a case report of a patient with spontaneous translation is presented. A microgenetic model of language processing provides an interpretive framework for language mixing and spontaneous translation as symptoms of polyglot aphasia. It is suggested that language mixing reflects a deficit at the linguistic level while spontaneous translation reflects a deficit at the prelinguistic level of language processing. A hypothesis about the organization of multiple languages in a single speaker is proposed.

Aged↗
PubMed1985

Subcortical functions in language: a working model.

The current paper explains a model of subcortical language functions that focuses on dynamic interactions between the cortex, the thalamus, and the basal ganglia in the production of spoken language. The model was derived from (a) studies of subcortical lesions and language, (b) studies of subcortical stimulation and language, (c) knowledge regarding neural pathways between various cortical and subcortical structures, and (d) indications that preverbal monitoring of language occurs. In the current model, the thalamus plays roles in cortical arousal and activation and in preverbal semantic monitoring. The basal ganglia function to regulate the degree of excitation conveyed from the thalamus to the cortex and to time the release of formulated language for motor programming. Consistency with classical syndromes of aphasia and potential applications to other areas in the neurosciences are discussed. The current theory, unlike previous formulations, is specific enough that testable hypotheses can be derived.

Aphasia↗
PubMed1985

Bilateral language: is the left hemisphere still dominant?

A 13-year-old left-handed boy with a left fronto-parietal vascular malformation evidenced bilateral symmetrical language representation at intracarotid amytal testing. Surgical resection of the parietal motor and frontal premotor area (sparing classical perisylvian language regions) for seizure control resulted in an acute aphasia. Language deficits were still apparent 3 months and to a lesser degree 1 year after surgery. This suggests that when language is bilateral and symmetrical, the left hemisphere may still be dominant or both hemispheres may be necessary to sustain full language competence. Explanations for atypical language localization within the left hemisphere are also discussed.

Adolescent↗
PubMed1993

Hearing and language in preschool very low birthweight children.

To get more insight into preschool language and hearing in high-risk very low birthweight (VLBW) children, we conducted a prospective study in a cohort of 79 children. The prevalence of language impairment and hearing loss at age 3-4 years, their relationship to each other as well as to perinatal conditions, neurodevelopmental outcome and the home environment are described. Mild hearing loss was found in 26%, moderate hearing loss in 13% and severe hearing loss in 3% of the children. None of the children was deaf. Abnormal tympanometry was found in 57% of the children. Hearing loss at age 4 years was related to a less optimal neonatal condition and was not related to the obstetrical condition or to neonatal cerebral ultrasound findings. Language impairment was found in 21% of the children at age 3.6 years. Receptive and expressive language was not related to perinatal conditions. There was no relation between the language assessments and the audiological assessments. Cognition and the home environment of the child were the only independent variables in the prediction of language in preschool VLBW children.

Audiometry, Evoked Response↗
PubMed2004

Hemispheric specialization for language.

Hemispheric specialization for language is one of the most robust findings of cognitive neuroscience. In this review, we first present the main hypotheses about the origins of this important aspect of brain organization. These theories are based in part on the main approaches to hemispheric specialization: studies of aphasia, anatomical asymmetries and, nowadays, neuroimaging. All these approaches uncovered a large inter-individual variability which became the bulk of research on hemispheric specialization. This is why, in a second part of the review, we present the main facts about inter-individual variability, trying to relate findings to the theories presented in the first part. This review focuses on neuroimaging as it has recently given important results, thanks to investigations of both anatomical and functional asymmetries in healthy subjects. Such investigations have confirmed that left-handers, especially "familial left-handers", are more likely to have an atypical pattern of hemispheric specialization for language. Differences between men and women seem less evident although a less marked hemispheric specialization for language was depicted in women. As for the supposed relationship between anatomical and functional asymmetries, it has been shown that the size of the left (not the right) planum temporale could explain part of the variability of left hemispheric specialization for language comprehension. Taken as a whole, findings seem to vary with language tasks and brain regions, therefore showing that hemispheric specialization for language is multi-dimensional. This is not accounted for in the existing models of hemispheric specialization.

Animals↗