POTENZIALI EVOCATI SOMESTESICI GIGANTI NELLE EPILESSIE IDIOPATICHE DELL'INFANZIA

Translated title of the contribution: Giant somatosensory evoked potentials in idiopathic epilepsies of childhood

R. Plasmati, R. Michelucci, F. Salvi, L. Paci, E. Saba, M. Blanco, G. Rubboli, P. Gobbi, M. Zucca, A. Forti, C. A. Tassinari

Research output: Contribution to journalArticle

Abstract

De Marco and Tassinari described high-voltage spikes in the EEG evoked by tapping of the hands and/or feet (ES-T-EEG). This phenomenon was observed in neurogically normal children with or without epilepsy. We performed somatosensory evoked potentials (SEPs) in 64 children affected by idiopathic epilepsies (32 with partial epilepsy with rolandic spikes). High-voltage mid-long latency SEPs (up to 200 uV) with normal short-latency SEPs were recorded in 17 patients. These giant evoked responses (GERs) could be present only in one hemisphere also in absence of ES-T-EEG; no strict topographical correlation was found with spontaneous spikes. Mechanical stimulation evoked GERs with the same amplitude, latency, morphology, and cortical location as those after electrical stimulation. These observations confirm a clear identity between GERs and ES- T-EEG. During the follow-up we observed in ten patients a topographical variability of the GERs over the scalp. In conclusion, these GERs may be frequently observed in idiopathic partial epilepsies of infancy. Such giant SEPs are quiet different from those described in Progressive Myoclonic Epilepsies.

Original languageItalian
Pages (from-to)199-200
Number of pages2
JournalBollettino - Lega Italiana contro l'Epilessia
Issue number70-71
Publication statusPublished - 1990

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Somatosensory Evoked Potentials
Electroencephalography
Epilepsy
Partial Epilepsy
Progressive Myoclonic Epilepsy
Scalp
Electric Stimulation
Foot
Hand

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

POTENZIALI EVOCATI SOMESTESICI GIGANTI NELLE EPILESSIE IDIOPATICHE DELL'INFANZIA. / Plasmati, R.; Michelucci, R.; Salvi, F.; Paci, L.; Saba, E.; Blanco, M.; Rubboli, G.; Gobbi, P.; Zucca, M.; Forti, A.; Tassinari, C. A.

In: Bollettino - Lega Italiana contro l'Epilessia, No. 70-71, 1990, p. 199-200.

Research output: Contribution to journalArticle

Plasmati, R, Michelucci, R, Salvi, F, Paci, L, Saba, E, Blanco, M, Rubboli, G, Gobbi, P, Zucca, M, Forti, A & Tassinari, CA 1990, 'POTENZIALI EVOCATI SOMESTESICI GIGANTI NELLE EPILESSIE IDIOPATICHE DELL'INFANZIA', Bollettino - Lega Italiana contro l'Epilessia, no. 70-71, pp. 199-200.
Plasmati, R. ; Michelucci, R. ; Salvi, F. ; Paci, L. ; Saba, E. ; Blanco, M. ; Rubboli, G. ; Gobbi, P. ; Zucca, M. ; Forti, A. ; Tassinari, C. A. / POTENZIALI EVOCATI SOMESTESICI GIGANTI NELLE EPILESSIE IDIOPATICHE DELL'INFANZIA. In: Bollettino - Lega Italiana contro l'Epilessia. 1990 ; No. 70-71. pp. 199-200.
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