A language disturbance as a possible indicator of serious mental illness in young school-age children.
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Child, Preschool↗
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Congenital adrenal hyperplasia and cerebral lateralizations.
Handedness, immunologic disorders, language lateralization, reading fluency, and visual-motor achievements were assessed in 25 patients with congenital adrenal hyperplasia and age-matched right- and left-handed normal controls. An increased rate of left-handedness in the congenital adrenal hyperplasia group was evident. The prevalence of immunologic disorders, dichotic listening patterns, and visual-motor/reading achievement ratio were more similar to left-handed and significantly different from right-handed controls. Females appeared to be more affected than males in some of the functions. These results partly support the hypothesis of intrauterine androgenic effects on hemispheric function, but not to the extent of a complete lateralization shift.
Adolescent↗
Childhood stuttering and dissociations across linguistic domains.
UNLABELLED: The purpose of this investigation was to evaluate the possible presence of dissociations in the speech and language skills of young children who do (CWS) and do not stutter (CWNS) using a correlation-based statistical procedure [Bates, E., Appelbaum, M., Salcedo, J., Saygin, A. P., & Pizzamiglio, L. (2003). Quantifying dissociations in neuropsychological research. Journal of Clinical and Experimental Neuropsychology, 25, 1128-1153]. Participants were 45 preschool CWS and 45 CWNS between the ages of 3;0 and 5;11 (years;months), with the two groups matched by age, gender, race, and parental socioeconomic status. Children participated in a parent-child interaction for the purpose of disfluency analysis and responded to four standardized speech-language tests for subsequent analyses as main dependent variables. Findings indicated that CWS were over three times more likely than CWNS to exhibit dissociations across speech-language domains, with 44 cases of dissociation for CWS and 14 for CWNS across 10 possible comparisons. Results suggest that there may be a subgroup of CWS who exhibit dissociations across speech-language domains, which may result in a greater susceptibility to breakdowns in speech fluency. EDUCATIONAL OBJECTIVES: The reader will be able to: (1) summarize findings from previous studies examining differences in speech and language performance between children who do and do not stutter; (2) describe what is meant by "dissociations" in the speech and language skills of young children who do and do not stutter; and (3) discuss three hypotheses that could account for the present findings that suggest CWS, more often than CWNS, exhibit dissociations in their speech-language system.
Child↗
Short-term and working memory differences in language/learning disabled and normal adults.
Fifteen adults who reported a childhood history of speech-language and/or learning disability (L/LD) were tested on two verbal memory tasks. Their performance on sentence repetition and reading span measures was compared with that of a matched control group who reported no childhood history of L/LD. Results indicated statistically significant group performance differences on both short-term and working memory tasks. This suggests that verbal memory difficulties may be a longterm component of L/LD.
Adolescent↗
Adult partner-augmented communication input to youth with mental retardation using the System for Augmenting Language (SAL).
The primary purpose of this study was to characterize the frequency and nature of augmented input that adult partners provided to 13 youth with mental retardation as they began to use the System for Augmenting Language (SAL). Analyses of youth-partner interactions revealed differences in the frequency with which home and school partners provided augmented input and in the manner and style of home and school partners' augmented input, particularly in directiveness and position of lexigram symbols within Utterances. Overall, partners naturally provided augmented input in a manner likely to promote youth's learning of the SAL.
Adolescent↗
Naming difficulties in language-disabled children: preliminary findings with the application of the tip-of-the-tongue paradigm.
The "tip of the tongue" (TOT) paradigm in a picture-naming task was presented to 14 children with language disabilities (LD) and 14 children without language disabilities (ND). Although the two groups did not differ in the semantic information they had on words they could not fully retrieve, the LD children had less valid and more invalid phonological information. They also had fewer correct responses and spontaneous recalls, more "Don't Know" s (DK) and TOTs, and less accurate "feeling of knowing" (FOK) judgments. These results, demonstrating dissociation between the semantic and phonological levels of word representation, support a two-stage model of word retrieval. These findings are evidence in favor of a phonological treatment approach for naming problems in LD children.
Child↗
Reading and metaphonological outcomes in late talkers.
Children with a history of slow expressive language development (SELD) were followed to second grade, at which point outcomes in terms of speech, language, cognitive skills, reading achievement, and metaphonological performance were evaluated. Although there were some statistically significant differences between groups, children with a history of SELD generally performed within the normal range on the measures collected. Relations among speech, reading, and metaphonology in the SELD cohort appeared to operate in a manner similar to that seen in groups with typical language development. The implications of these findings for understanding the nature of specific language impairments and for treating early circumscribed language delays are discussed.
Achievement↗
Look who's talking: a prospective study of familial transmission of language impairments.
Language impairments have been hypothesized to have a genetic component. Previous studies of the familial aggregation of language impairments have relied on a retrospective approach based on parental/self-reported history of language development. This study examined familial aggregation prospectively, by investigating language acquisition and cognitive development in the younger siblings and offspring of individuals with well-defined language impairments. It was predicted that children with a positive family history for language impairments would be more likely to show delays in language acquisition than would age- and gender-matched controls. Similar delays were not expected in nonlinguistic domains, such as conceptual, gestural, or general cognitive development. Ten children with a positive family history and 10 age- and gender-matched controls were tested. Analyses of linguistic and cognitive assessments at 16 to 26 months confirmed the predictions. Children with a family history of language impairments had lower receptive and expressive language scores than controls, with 50% of them scoring at least 1.5 SD below the mean for their age. At the same time, performance on a number of tasks that did not rely on language abilities did not differ as a function of family history. These results indicate that children with a positive family history for language impairments are at risk for language delay; the results also support a familial component to language impairments.
Birth Order↗
Transcortical aphasia from ischaemic infarcts of the thalamus: a report of two cases.
Thalamic injury from various natural causes, including tumours an haemorrhage, has been reported to lead abnormalities of language. The pathophysiology of these language disorders remains controversial because the naturally occurring thalamic lesions often are associated with mass effects. Two patients are described with hypodense left thalamic lesions, shown by computed tomography, probably representing infarction. Both patients had aphasia, but neither had evidence of appreciable brain swelling or distortion, nor were cortical language areas damaged.
Adolescent↗
[The semantic memory deficit in Alzheimer's disease].
INTRODUCTION AND DEVELOPMENT: Although the loss of episodic memory is considered one of the the hallmarks of Alzheimer s disease (AD), it is by no means the only memory dysfunction suffered by these patients. Perhaps equally important in terms of functional adaptation is the loss of, what Tulving referred, semantic memory. Semantic memory is that information necessary for language, a mental diccionary including not only lexical information (i.e., word meaning and concepts) but also facts and general world knowledge. There is a debate in the field of cognitive psychology regarding semantic memory, deficits in AD; whether there is an actual defect in semantic memory, or this is related to a disruption of the information accessing process. Neuroimaging studies have shown that the basis of the semantic memory defect is localized in the temporal and frontal lobes. CONCLUSIONS: The inferior temporal lobe, and perhaps more importantly, the parahippocampal gyrus, is critical for the ability to successfully name objects. However, the ability to retrieve name of objects appears to be associated with the frontal lobes.
Alzheimer Disease↗
[Assessment of word finding skills in the discourse of adolescents].
BACKGROUND: Relation between the abilities of word finding and reading. AIM: Application of a word finding test to the discourse of two groups of adolescents which differed in their abilities to comprehend written texts. METHOD: Application of the Test of Word Finding Discourse in 20 participants (group 1 = 10 e group II = 10). RESULTS: There was no difference between the groups regarding the global word finding index; as for specific behaviors, word substitution was statistically significant and did differentiate the groups; as for the comparison with American standards, the use of unspecific words was statistically significant; the expected linear decrease for all of the behaviors was not observed. CONCLUSION: A linear and reciprocal relation between word finding and difficulties in reading does not exist.
Analysis of Variance↗
Evaluating rate, accuracy, and fluency of young children's diadochokinetic productions: a preliminary investigation.
UNLABELLED: Diadochokinetic (DDK) rates are commonly assessed in children with speech-language disorders, even though the implications of fast or slow DDK rates are not clear. This study explored the possibility that the accuracy and fluency of DDK productions may provide a meaningful supplement to traditional measures of DDK rate. Participants were 15 boys, age 3-7, with normal speech-language development, who were asked to produce "puh-tuh-kuh" or "pattycake" in a standard DDK task. Analyses revealed that normally developing children produce frequent articulation errors but few disfluencies during DDK tasks. Errors and disfluencies did not affect DDK rate, suggesting that the rate of DDKs may be a relatively insensitive measure of children's speaking abilities. Although an expected correlation was found between age and overall DDK rate, no correlations were found between age and the frequency of articulation errors or speech disfluencies. Findings suggest that measures of DDK accuracy and fluency may provide information about children's speech development that is independent of age and may be more closely related to oral motor development than rate. Overall, results underscore concerns with the interpretation of DDK rate and highlight ways that rate measures might be supplemented with measurement of accuracy and fluency in the evaluation of children's speaking abilities. EDUCATIONAL OBJECTIVES: The reader will learn about a technique that may facilitate the evaluation of young children's oral DDK abilities. The reader will learn about the frequency and type of errors children produce on DDKs and how this information can be used in the assessment of children's oral motor abilities.
Apraxias↗
Patterns of auditory processing and articulation deficits in academically deficient juvenile delinquents.
Auditory processing deficits and articulation disorders were studied in a group of male juvenile delinquents. Significant auditory processing deficits were frequently observed and were significantly related to underachievement in reading, spelling, and arithmetic. In addition, articulation disorders were present in over 60% of the delinquent subjects. The results are interpreted to indicate that the evaluation of speech capabilities and auditory processing skills should be an integral part of treatment programs for delinquent populations. The importance of early intervention through identification and treatment of speech and language disorders in the early school period is supported.
Achievement↗
Is dementia a disease?
BACKGROUND: It is customary for many neurologists to think that dementia is a disease. This view is based on the following reasons: (1) a brain disease is the cause of cognitive impairment; (2) therefore, such cognitive impairment is substituted for the disease, becoming dementia, which is then also regarded as a mental disease. OBJECTIVE: In this brief article, I take exception to such a view, contrary to the common belief in the medical field, on the ground that senile plaques and/or neurofibrillary tangles or any other factors cause neuronal apoptosis but they do not cause dementia directly. METHODS: Literature on dementia and aphasia are critically and briefly reviewed to get the historical perspective that it is the progressive neuronal losses, losing brain functions as a result, that cause dementia; that is, brain diseases cause neuronal losses which then result in the decrease of brain functions, thereby leading to dementia. RESULTS: There is no direct cause-effect relationship between brain disease, be it caused by vascular factors or not, and dementia which is the consequence or sequela of neuronal losses. CONCLUSIONS: It is concluded that dementia is not a disease and yet it occurs not only in Parkinson's disease, Alzheimer's disease (AD), Huntington's disease and Pick's disease, but also in any other neurodegenerative disease, e.g., spinocerebellar ataxia, or vascular disease, e.g., Binswanger's disease, as part of the process of aging; in fact, AD is now regarded by some as a vascular disorder with neurodegenerative consequence, rather than a neurodegenerative disorder with vascular consequence. But vascular disorder is misleading if AD includes both neurofibrillary tangles and senile plaques; on the other hand, AD cannot be a vascular disorder if it includes only neurofibrillary tangles, as it should. Dementia, in this context, is re-defined as the differential manifestation of deteriorating brain functions over time as a part of aging due to cell deaths in the brain caused by any neurodegenerative disease. Its prominent symptoms are language disorders which must be distinguished from aphasias. It is also suggested that in fairness to Fischer, senile plaques be designated as Fischer's disease separate from neurofibrillary tangles for which AD was originally named as an eponym.
Alzheimer Disease↗
Biomechanical factors affecting upper extremity cumulative trauma disorders in sign language interpreters.
Symptoms associated with upper extremity cumulative trauma disorders (UECTDs) recently have been reported in professional sign language interpreters. The present investigation is a case control study of potential biomechanical factors that may exacerbate or maintain UECTD-related symptoms in this occupational group. Based on the results of a medical screening, interpreters were classified into two groups: working with pain (n = 16) and working without pain (n = 13). There were no significant differences between the groups on age, gender, years signing, years interpreting, and wrist and forearm endurance and flexibility as measured during an isokinetic strength test of the upper extremities. Subjects were exposed to a standard interpreting task. Groups were compared on measures of repetitiveness of hand/wrist motion, work/rest cycle, postural stress, and smoothness of movement. Heart rate, pain, fatigue, and perceived reduction in extremity flexibility also were measured. The group working with pain demonstrated a distinct pattern of potential biomechanical risk factors previously associated with UECTDs in other occupations. By comparison with the control group, those working with pain exhibited fewer rest breaks, more frequent hand/wrist deviations from neutral, more frequent lateral excursions from an optimal work envelope, and more rapid finger/hand movements while interpreting. Significant group differences on self-report measures of pain, fatigue, and perceived limitation in range of motion also were observed. An analysis of heart-rate response to the interpreting task revealed that both groups demonstrated a modest increase in heart rate to the interpreting task, although interpreters working with pain displayed lower heart rates across all phases of the experimental task.(ABSTRACT TRUNCATED AT 250 WORDS)
Adult↗
[Use of discourse analysis for evaluation of the condition of patients with dementia of the Alzheimer type].
The study was concerned with the ability to discourse in a group of 10 patients with minor or moderately severe disturbances in Alzheimer disease and in a control group of healthy subjects. The aim the study was to answer the question whether patients with this disease have language deficits, and if they have, then at what level they appear and what is their influence on the communication ability. The experimental task included production of a narrative and a procedural discourse. The results were analysed from the standpoint of grammar of clauses and their informative contents. The analysis showed that the patients had no deficit in respect to the extent of the discourse, its complexity and grammar correctness. However, errors were found in the contents of the discourse. In particular, the discourse of the patients had a greater number of irrelevant and incorrect propositions. The possible explanation of the demonstrated deficit pattern is discussed stressing the importance of progmatic and cognitive factors. The conclusion is that language disorders in these patients should not be regarded as a type of aphasia.
Aged↗
Diagnosis and management of Alzheimer's disease--an update.
Alzheimer's disease (AD) has become recognised as a major cause of morbidity and mortality in the ageing population worldwide. Over 20 million people worldwide are affected by AD, which ensures that the disease imposes a major economic burden. Alzheimer's disease is a progressive neurodegenerative disorder with characteristic clinical and neuropathological features. Neurofibrillary tangles, neuritic plaques and amyloid angiopathy occur in varying severity in brains of patient's with Alzheimer's disease. Biological markers of AD allowing an early definitive premorbid diagnoses are currently not available. Memory loss for recent events is invariable and often the earliest prominent symptom. Language disorders, difficulties with complex tasks, depression, psychotic symptoms and behavioral changes are other common manifestations of AD. Diagnosis involves the early detection of cognitive decline and ruling out other causes of dementia like vascular dementia, Lewy body dementia, fronto-temporal degeneration or reversible causes like hypothyroidism. Acetylcholinesterase inhibitors have shown to be effective in mild to moderate AD in improving the cognitive function of patients in clinical trials. Caregiver intervention programs have considerable potential to improve both the caregiver and patient quality of life.
Alzheimer Disease↗
Identifying speech and language delays in children.
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Child↗