Tics of phonation are often superadded to the gesticulations of variable chorea.
phonation and respiration are implicated as well as articulation.
The crico-thyroid may be considered the most important muscle of phonation, because it is so much used and so effective.
The whole larynx, so far as phonation is concerned, may be said to exist for the true vocal bands.
This certainly applies also to the muscles of phonation, but not to the principal muscles of articulation, viz.
Of course, in phonation the vocal bands are never so much separated as shown in the illustrations.
Stammering is a functional anomaly; it is a derangement of respiration, phonation, and articulation.
We would again urge that in every instance of phonation in either speaker or singer, the breath be taken through the open mouth.
In reality, however, the paralysis does not lie in the cords themselves, but in the leading muscles that control in phonation.
Whatever its situation, it must be connected by association fibres with the centres of phonation and articulation.
phonation pho·na·tion (fō-nā'shən)
The utterance of sounds through the use of the vocal cords; vocalization.