Feature selection for motor unit potential train characterization

Meena Abdelmaseeh, Benn Smith, Daniel Stashuk

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Introduction: Ten new features of motor unit potential (MUP) morphology and stability are proposed. These new features, along with 8 traditional features, are grouped into 5 aspects: size, shape, global complexity, local complexity, and stability. Methods: We used sequential forward and backward search strategies to select subsets of these 18 features to discriminate accurately between muscles whose MUPs are predominantly neurogenic, myopathic, or normal. Results and Conclusions: Results based on 8102 motor unit potential trains (MUPTs) extracted from 4 different limb muscles (n=336 total muscles) demonstrate the usefulness of these newly introduced features and support an aspect-based grouping of MUPT features.

Original languageEnglish (US)
Pages (from-to)680-690
Number of pages11
JournalMuscle and Nerve
Issue number5
StatePublished - May 2014


  • Motor unit potential morphology
  • Motor unit potential train features
  • Motor unit potential train stability
  • Muscle characterization
  • Needle electromyography

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)


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