Propriospinal myoclonus: The spectrum of clinical and neurophysiological phenotypes.

@article{Antelmi2015PropriospinalMT,
  title={Propriospinal myoclonus: The spectrum of clinical and neurophysiological phenotypes.},
  author={Elena Antelmi and Federica Provini},
  journal={Sleep medicine reviews},
  year={2015},
  volume={22},
  pages={54-63}
}
Propriospinal myoclonus (PSM) is a rare type of spinal myoclonus characterized by muscle jerks that usually start in the midthoracic segments and then slowly propagate up and down into the spinal cord, resulting in repetitive and irregular jerky flexion, or extension of the trunk, neck, knees and hips. PSM can be symptomatic, but up to 80% of reported cases appear idiopathic. PSM tends to occur especially while the subject is lying down. PSM at sleep onset was first described by experts in… CONTINUE READING
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