Feiken, J.

Jonkers, Roel

Stuive, Ilse

English

This paper reports the results of a study on the use of a fixed number of specific signs to differentially diagnose Apraxia of Speech (AoS) from aphasia or dysarthria. This was done with a diagnostic instrument for AoS that was developed in the Netherlands in 2012, the Diagnostic Instrument for Apraxia of Speech (DIAS; Feiken &amp; Jonkers, 2012). There were 8 signs identified as specific to AoS, namely: inconsistency of errors, number of errors with consonants versus vowels, difference between sequencing and alternating diadochokinesis, groping, initiation problems, syllable segmentation, cluster segmentation, and articulatory complexity. The DIAS was administered to 30 individuals with AoS, 10 individuals with aphasia, 10 individuals with dysarthria, and 35 control individuals. Results showed that a differential diagnosis could be made in 88% of the cases using a minimum of 3 out of 8 specific signs of AoS as criteria. With the exception of 2 patients with aphasia no other group exhibited the presence of 3 or more signs of AoS. It was concluded that the presence of 3 signs is sufficient to differentially diagnose AoSfrom aphasia and dysarthria, despite the fact that there is a large amount of variability in the presence of signs of AoS itself in the different individuals.</p

Feiken, Judith

Proceedings - University of Groningen

Diagnosing Apraxia of Speech on the Basis of Eight Distinctive Signs

https://pure.rug.nl/ws/files/51310826/CJSLPA_Vol_41_No_3_2017_Jonkers_et_al_303_319.pdf

Diagnosing Apraxia of Speech on the Basis of Eight Distinctive Signs

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Proceedings - University of Groningen