P300 variations in parkinsonian patients before and during dopaminergic monotherapy: a suggested dopamine component in P300

P. Stanzione, F. Fattapposta, P. Giunti, C. D'Alessio, M. Tagliati, C. Affricano, G. Amabile

Research output: Contribution to journalArticlepeer-review

Abstract

P300 was recorded, using an 'odd ball' paradigm, in 18 parkinsonian patients before and during dopaminergic monotherapy. The data were compared with those of a homogeneous standard group of 20 subjects. The main finding was an increase in the P300 latency of parkinsonian patients before therapy, which recovered during dopaminergic monotherapy. In 11 voluntary healthy subjects the same therapy did not produce a reduction of the P300 latency. The data are discussed in relation to a possible dopaminergic component in P300 origin.

Original languageEnglish
Pages (from-to)446-453
Number of pages8
JournalElectroencephalography and Clinical Neurophysiology - Evoked Potentials
Volume80
Issue number5
DOIs
Publication statusPublished - 1991

Keywords

  • ERPs
  • l-DOPA
  • P300
  • Parkinson disease

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

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