Prestimulus EEG microstates influence visual event-related potential microstates in field maps with 47 channels

I. Kondákor, D. Lehmann, C. M. Michel, D. Brandeis, K. Kochi, T. Koenig

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The influence of the immediate prestimulus EEG microstate (subsecond epoch of stable topography/map landscape) on the map landscape of visually evoked 47-channel event-related potential (ERP) microstates was examined using the frequent, non-target stimuli of a cognitive paradigm (12 volunteers). For the two most frequent prestimulus microstate classes (oriented left anterior-right posterior and right anterior-left posterior), ERP map series were selectively averaged. The post-stimulus ERP grand average map series was segmented into microstates; 10 were found. The centroid locations of positive and negative map areas were extracted as landscape descriptors, Significant differences (MANOVAs and t-tests) between the two prestimulus classes were found in four of the ten ERP microstates. The relative orientation of the two ERP microstate classes was the same as prestimulus in some ERP microstates, but reversed in others. - Thus, brain electric microstates at stimulus arrival influence the landscapes of the post-stimulus ERP maps and therefore, information processing; prestimulus microstate effects differed for different post-stimulus ERP microstates.

Original languageEnglish
Pages (from-to)161-173
Number of pages13
JournalJournal of Neural Transmission
Volume104
Issue number2-3
Publication statusPublished - 1997

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Evoked Potentials
Electroencephalography
Automatic Data Processing
Volunteers
Brain

Keywords

  • ERP microstates
  • Event-related potential maps
  • Prestimulus EEG microstate
  • State-dependency of ERP maps
  • Visual odd-ball paradigm

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Prestimulus EEG microstates influence visual event-related potential microstates in field maps with 47 channels. / Kondákor, I.; Lehmann, D.; Michel, C. M.; Brandeis, D.; Kochi, K.; Koenig, T.

In: Journal of Neural Transmission, Vol. 104, No. 2-3, 1997, p. 161-173.

Research output: Contribution to journalArticle

Kondákor, I, Lehmann, D, Michel, CM, Brandeis, D, Kochi, K & Koenig, T 1997, 'Prestimulus EEG microstates influence visual event-related potential microstates in field maps with 47 channels', Journal of Neural Transmission, vol. 104, no. 2-3, pp. 161-173.
Kondákor, I. ; Lehmann, D. ; Michel, C. M. ; Brandeis, D. ; Kochi, K. ; Koenig, T. / Prestimulus EEG microstates influence visual event-related potential microstates in field maps with 47 channels. In: Journal of Neural Transmission. 1997 ; Vol. 104, No. 2-3. pp. 161-173.
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