Prestimulus EEG influence on late ERP components.

A. Romani, R. Bergamaschi, R. Callieco, V. Cosi

Research output: Contribution to journalArticlepeer-review

Abstract

Ten healthy volunteers were submitted to an auditory oddball event related potentials (ERP) paradigm. Single trial 500 ms poststimulus ERPs (Pz, Cz, Fz--linked earlobes) along with the correspondent 1000 ms prestimulus EEG (O1-Cz) were stored. EEG epochs were submitted to spectral analysis and a slow wave index (SWI = delta + theta/total) was computed. Three selective ERP averages corresponding to low, medium and high SWI were computed. N2 latency was longer and P3a amplitude was lower in high SWI averages as compared to low SWI averages.

Original languageEnglish
Pages (from-to)77-82
Number of pages6
JournalBollettino della Societa Italiana di Biologia Sperimentale
Volume67
Issue number1
Publication statusPublished - Jan 1991

ASJC Scopus subject areas

  • Medicine(all)

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