Recovery functions of early cortical median nerve SSEP components: normative data

A. Romani, R. Bergamaschi, M. Versino, R. Callieco, G. Calabrese, V. Cosi

Research output: Contribution to journalArticlepeer-review


The recovery functions of parietal P14-N20, N20-P27 and frontal P22-N30 amplitudes were assessed in 17 healthy controls aged 20-50 years by means of the paired stimulus technique. One unpaired and 4 paired stimuli with interstimulus intervals (ISIs) of 25, 50, 75 and 100 msec were cyclically presented in a single run. Responses to the unpaired stimulus were subtracted off-line from paired stimulus responses. The highest suppression was reached at shorter ISIs for components with shorter latencies. The mean suppression of P22-N30 was influenced by the subject's age, being greater in younger subjects. Normative data are reported.

Original languageEnglish
Pages (from-to)475-478
Number of pages4
JournalElectroencephalography and Clinical Neurophysiology - Evoked Potentials
Issue number5
Publication statusPublished - 1995


  • Recovery function
  • Somatosensory evoked potentials

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)


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