ROMAN, Robert, Milan BRÁZDIL, Pavel JURÁK, Ivan REKTOR and Miloslav KUKLETA. Intracerebrally recorded ERPs in a frequency range of 5.5-15 Hz in visual oddball paradigm. In Evoked Potentials International Conference XIV. Leipzig: Leipziger Universitätsverlag, 2004, p. 112-112. ISBN 3-937209-70-0.
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Basic information
Original name Intracerebrally recorded ERPs in a frequency range of 5.5-15 Hz in visual oddball paradigm
Name in Czech Intracerebrálně registrované ERPs ve frekvenčním pásmu 5,5-15 Hz získané z oddball paradigmatu
Authors ROMAN, Robert (203 Czech Republic, guarantor), Milan BRÁZDIL (203 Czech Republic), Pavel JURÁK (203 Czech Republic), Ivan REKTOR (203 Czech Republic) and Miloslav KUKLETA (203 Czech Republic).
Edition Leipzig, Evoked Potentials International Conference XIV, p. 112-112, 1 pp. 2004.
Publisher Leipziger Universitätsverlag
Other information
Original language English
Type of outcome Proceedings paper
Field of Study 30000 3. Medical and Health Sciences
Country of publisher Germany
Confidentiality degree is not subject to a state or trade secret
RIV identification code RIV/00216224:14110/04:00010875
Organization unit Faculty of Medicine
ISBN 3-937209-70-0
Keywords in English Early ERPs; intracerebral; oddball paradigm
Tags Early ERPs, intracerebral, oddball paradigm
Changed by Changed by: doc. MUDr. Robert Roman, Ph.D., učo 18403. Changed: 27/1/2005 14:58.
Abstract
In humans alpha responses (8-15Hz oscillations) to sensory stimuli returning to baseline 200-300 ms after stimulus were described. The aim of the present study was to investigate the intracerebral distribution of ERPs in a frequency range of 5.5-15 Hz in humans. In 7 patients a total of 268 sites were investigated. Visual oddball paradigm was performed. For each subject, approximately 50 trials to target and 100 trials to frequent stimuli were averaged. The sites with prominent ERPs were investigated. In 98 contacts (6 patients) where the prominent ERPs were identified they were present always after both target and frequent stimuli, and they were identical in several successive components (range from 1 to 5) with the peak latency range from 45 to 339 ms. They were found in various brain structures. Simultaneous occurrence of identical components after target and frequent stimuli in different brain structures probably reflects the basic level of processing visual stimuli.
Abstract (in Czech)
Intracerebrálně registrované časné senzorické ERPs byly nalezeny v různých mozkovcýh strukturách. Průběh odpovědí po terčovém a neterčovém podnětu se shodoval v několika vlnách v rozsahu od 1-5, což ukazuje na stejné zpracování zrakové informace bez ohledu na význam podnětu.
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