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DTLA-A NEW SCREENING TEST FOR LANGUAGE IMPAIRMENT IN AGING
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Abstract:
Compared to cognitive functions such as working memory and executive functions, language appears to be mostly resistant to age-related decline. However, language is affected in the early stages of major forms of dementia and language deficits are at the core of the clinical portrait of primary progressive aphasias. Primary care providers are frequently faced with patients whose main complaints concern language problems in everyday and professional life. Up to now, no brief, accurate, screening test, which could be applied during routine office visits, was available for language deficits in neurodegenerative diseases. The aim of this study is to fill this important need by developing a handy, sensitive and brief detection test for language impairments in adults and aging. In this presentation, we describe the psychometric properties of the DTLA (Detection Test for Language impairments in Adults and Aging), a new screening test developed in four French-speaking countries (Belgium, Canada, France and Switzerland). We first present the development phase of the DTLA, then we provide normative data for healthy, community-dwelling, French-speaking people from the four countries. Finally, we report data on the convergent and discriminant validity of the DTLA as well as on its test-retest and internal consistency reliability. The use of the DTLA could improve the diagnosis of neurodegenerative diseases, especially those in which language is primarily affected. Ultimately, this will permit patients and their families to receive adequate services at an earlier stage of the disease.
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Abstracts
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6245319/
https://doi.org/10.1093/geroni/igx004.1693
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Detection Test for Language Impairments in Adults and the Aged-A New Screening Test for Language Impairment Associated With Neurodegenerative Diseases: Validation and Normative Data.
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In: American journal of Alzheimer's disease and other dementias, vol. 32, no. 7, pp. 382-392 (2017)
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