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

Dysphonia; Tremor