Sensory-motor conduction time in amyotrophic lateral sclerosis.

E. Facco, G. Micaglio, M. C. Liviero, M. B. Ceccato, F. Toffoletto, A. Martinuzzi, C. Angelini

Research output: Contribution to journalArticle


19 ALS patients were submitted to motor evoked potentials (MEP) and F-wave from thenar muscles. Somatosensory evoked potentials (SEP) from median nerve were recorded as well in 16 patients. MEP were bilaterally absent in 4 patients (21%) and monolaterally absent in 6 patients (3.6%). Among patients with recordable waves, MEP and F-wave were significantly delayed. Their upper motor neuron conduction time was clearly abnormal only in one case. In SEP recordings the N9-N13 was significantly delayed, but the N13-N20 was normal. Four patients showed a combined sensory-motor dysfunction (increase of both N19-N13 interval and F-wave latency).

Original languageEnglish
Pages (from-to)108-112
Number of pages5
JournalRivista di Neurologia
Issue number3
Publication statusPublished - May 1989

ASJC Scopus subject areas

  • Clinical Neurology

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  • Cite this

    Facco, E., Micaglio, G., Liviero, M. C., Ceccato, M. B., Toffoletto, F., Martinuzzi, A., & Angelini, C. (1989). Sensory-motor conduction time in amyotrophic lateral sclerosis. Rivista di Neurologia, 59(3), 108-112.