Electromyographic and phonetic rest position changes with head posture
β Scribed by R. Troendle; K. Troendle; J.D. Rugh
- Book ID
- 118922266
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 79 KB
- Volume
- 46
- Category
- Article
- ISSN
- 1097-6841
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π SIMILAR VOLUMES
When essential tremor involves the head, it produces a rhythmic, periodic movement with a certain fixed frequency and a variable amplitude. The axis of the tremor has been described as either horizontal (no-no) or vertical (yes-yes) and is present when the head is in an action or postural position.
A differentiation of two types of head-turns due to nystagmus, by means of electromyography (EMG) is demonstrated in this paper. The first type is represented by patients who actively block the nystagmus, by means of an increase of discharge of the extraocular muscles who are synergistic and respons