So it review summarizes browse for the conditions out-of address production inside Down problem (DS) on the reason for informing clinical services and you can guiding upcoming look.

Method

Article on the brand new literature try predicated on hunt playing with MEDLINE, Yahoo Pupil, PsycINFO, and HighWire Force, together with said regarding source listing from inside the recovered documents (along with on the internet supplies). Key terms showcased qualities associated with voice, articulation, phonology, prosody, fluency, and intelligibility.

Results

The second findings have to do with five big aspects of review: sound, address musical, fluency and you may prosody, and you may intelligibility. The initial major urban area was sound. Although numerous research has claimed to your vocal problems in the DS, significant issues are concerning the characteristics and you may frequency of your phonatory disease. Consequence of perceptual and you may acoustic research has become mixed, it is therefore difficult to draw business conclusions or perhaps to identify sensitive methods to possess upcoming research. The second big town try address music. Articulatory and you will phonological studies show one speech activities for the DS was a mix of defer invention and you will mistakes perhaps not observed in normal invention. Put-off (i.elizabeth., developmental) and you can disordered (we.age., nondevelopmental) designs try evident from the age of regarding three-years, regardless of if DS-relevant problems perhaps appear before, inside child babbling. The 3rd big city is actually fluency and you will prosody. Stuttering and you may/or cluttering take place in DS at the prices off 10%–45%, in contrast to from the step 1% in the standard populace. Look plus items to significant interruptions during the prosody. The fresh 4th significant area are intelligibility. Degree consistently let you know noted restrictions in this field, but merely recently has the lookup gone past effortless rating bills.

Sources

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