AI Article Synopsis
- The study investigated how acoustic and galvanic stimulation affect neck muscle activity in a patient with cervical dystonia.
- Acoustic stimulation included baseline, vestibular, and control conditions, with findings showing a significant reduction in muscle activity (16% to 44%).
- Galvanic stimulation also demonstrated effectiveness, reducing head acceleration and leading to reported improvements in head control for the patient.
- Overall, vestibular stimulation appears beneficial for symptom relief in cervical dystonia.
Article Abstract
We examined the effects of acoustic and galvanic vestibular stimulation in a patient with cervical dystonia. Acoustic stimulation consisted of three conditions: "baseline" (no stimulation), "vestibular" (500 Hz bone-conducted tone bursts), and "control" (5,000 Hz tone bursts). Rectified electromyographic activity in the sternocleidomastoid was measured. Galvanic stimulation (1.5-2.5 mA current steps) was delivered to the mastoids, and head acceleration was measured. Vestibular acoustic stimulation reduced neck muscle activity between 16% and 44% (P < 0.001), and galvanic stimulation reduced head acceleration by 22.5% (P = 0.028). The patient reported subjective improvement in head control. Vestibular stimulation can reduce neck muscle activity in cervical dystonia and give symptomatic relief.
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| http://dx.doi.org/10.1002/mds.20982 | DOI Listing |
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