For instance, momentary aphonia can be caused by laryngospasm, an involuntary spasm of the vocal cords and a strained or hoarse voice may be perceived when the vocal cord dysfunction occurs during speech, resulting in spasmodic dysphonia.
12.
Because PPS can fatigue facial muscles, as well as cause dysphagia ( difficulty swallowing ), dysarthria ( difficulty speaking ) or aphonia ( inability to produce speech ), persons with PPS may become malnourished due to difficulty eating.
13.
In 1996 he directed a twenty-seven-minute short film commissioned by progressive house band Spooky for parts of their album " Found Sound " ( namely the tracks " Central Heating ", " Bamboo ", " Aphonia ", " Lowest Common Denominator ", " Hypo-Allergenic " / " Interim " ).