Neurophysiological assessments demonstrate potential markers for monitoring cervical dystonia and botulinum toxin effects.
Cervical dystonia is associated with impaired inhibition and altered conduction velocities (CV4, CV5). CSPd, CSPe and CV4 are candidate markers to aid diagnosis, differentiate pseudodystonia, and monitor disease or treatment effects. These measures may also inform studies of other motor‑control disorders.
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Drużdż et al. (2026) studied this question.
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