Vocal Tremor, Voice Tremor
Vocal Tremor, Voice Tremor
Vocal or voice tremor is a shaking, quivering, or quavering of the voice. It may be heard in:
Essential tremor Cerebellar disorders
Spasmodic dysphonia/laryngeal dystonia Parkinson’s disease
Motor neurone disease.
The pathophysiology is uncertain but may relate to rhythmic contractions of the cricothyroid and rectus abdominis muscles.
Cross References
