Objectieve beoordeling van spraakproblemen bij sprekers met dysartrie

Van Brenk, Frits (2015) Objectieve beoordeling van spraakproblemen bij sprekers met dysartrie. Stem-, Spraak- en Taalpathologie, 20. pp. 94-119. ISSN 0924-7025

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Research and treatment of neurogenic speech disorders benefit from the use of reliable measurements and treatment methods. In recent years, new techniques and methods are developed that can support differential diagnosis, treatment, and progress monitoring of speech disorders. In the context of applying evidence-based practice in the SLT clinic, these objective measurement methods are more than welcome. This tutorial discusses a number of methods that are widely applicable and relatively easy to use. These methods are primarily focused on dysarthria, but could also be applied in the investigation of other language and speech disorders. In this tutorial, methodologies with regard to systematic and quasi-automatic measurement of intelligibility, speech rate, articulation rate, and maximum-performance tasks are discussed. Each of these methods may be carried out by speech therapists and researchers using readily available or open-source software. In addition, this article provides an overview of a number of recently developed experimental research methodologies measuring speech variability as a quantitative assessment of speech problems. A major problem in dysarthria is the precise control of speech movements. As such, measurements of variability and stability of speech are prime targets to study speech motor control in dysarthria. Although these research methodologies still need to work with respect to technical implementation and validity, they have the potential to be a valuable tool in the SLT clinic.