Speech Impairment when you look at the Down Problem: An evaluation

It feedback summarizes search to the problems away from message design in the Down problem (DS) to the purposes of telling clinical services and you will at the rear of future look.


Report about the literary works is according to looks using MEDLINE, Google Student, PsycINFO, and you may HighWire Drive, in addition to consideration of resource listing for the retrieved data (and additionally on the internet offer). Terms showcased features about sound, articulation, phonology, prosody, fluency, and intelligibility.


The next conclusions have to do with five big regions of comment: voice, speech songs, fluency and you can prosody, and you can intelligibility. The original biggest city try sound. No matter if a good amount of research has claimed towards the singing abnormalities for the DS, significant concerns continue to be towards characteristics and you will regularity of your own phonatory disease. Outcome of perceptual and you may acoustic studies have already been combined, so it is difficult to mark firm findings or to pick delicate methods to possess future study. The next major urban area are speech musical. Articulatory and phonological research has shown one speech activities inside DS is a mixture of defer development and you can problems perhaps not noticed in normal creativity. Defer (i.e., developmental) and you will disordered (we.e., nondevelopmental) activities is clear by chronilogical age of regarding the 3 years, though DS-relevant irregularities perhaps are available prior to, even yet in baby babbling. The next major area try fluency and you can prosody. Stuttering and/or cluttering occur in DS on prices regarding ten%–45%, compared with regarding 1% on standard people. Browse plus points to tall disruptions in the prosody. This new next biggest town try intelligibility. Education continuously reveal marked limits in this field, but merely recently contains the lookup gone past simple rating bills.


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