| ROMAN, Robert, Milan BRÁZDIL, Pavel JURÁK, Ivan REKTOR a Miloslav KUKLETA. Intracerebral P3-like waveforms and the length of the stimulus-response interval in a visual oddball paradigm. Clinical Neurophysiology. Ireland: Elsevier, roč. 116/2005, č. 1, s. 160-171, 11 s. ISSN 1388-2457. 2005. |
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@article{622126,
author = {Roman, Robert and Brázdil, Milan and Jurák, Pavel and Rektor, Ivan and Kukleta, Miloslav},
article_location = {Ireland},
article_number = {1},
keywords = {P3 waveform; ERPs; Intracerebral recordings; Visual oddball paradigm},
language = {eng},
issn = {1388-2457},
journal = {Clinical Neurophysiology},
title = {Intracerebral P3-like waveforms and the length of the stimulus-response interval in a visual oddball paradigm.},
volume = {116/2005},
year = {2005}
}
TY - JOUR
ID - 622126
AU - Roman, Robert - Brázdil, Milan - Jurák, Pavel - Rektor, Ivan - Kukleta, Miloslav
PY - 2005
TI - Intracerebral P3-like waveforms and the length of the stimulus-response interval in a visual oddball paradigm.
JF - Clinical Neurophysiology
VL - 116/2005
IS - 1
SP - 160-171
EP - 160-171
PB - Elsevier
SN - 13882457
KW - P3 waveform
KW - ERPs
KW - Intracerebral recordings
KW - Visual oddball paradigm
N2 - Event-related potentials were recorded from 560 cerebral sites in 17 patients suffering from intractable epilepsy during visual oddball task. Potentials evoked by the target stimuli were sorted according to button-pressing response times, and the P3 waveform was analyzed both in stimulus-locked and response-locked averages, which were separately averaged for fast and slow responses. P3-like waveforms were identified in 180 sites in 17 patients. Three different types of P3-like waveforms, diffusely distributed within the brain, were found: (1) time-locked to the stimulus (30 sites in 11 patients); (2) time-locked to the motor response (52 sites in 13 patients); and (3) with ambiguous time relationship to stimulus and motor response (98 sites in 16 patients). The intracerebral P3-like waveform could represent different processes involved in performing active oddball tasks. Therefore, our results support the hypothesis that the P3 waveform could be a heterogeneous phenomenon.
ER -
ROMAN, Robert, Milan BRÁZDIL, Pavel JURÁK, Ivan REKTOR a Miloslav KUKLETA. Intracerebral P3-like waveforms and the length of the stimulus-response interval in a visual oddball paradigm. \textit{Clinical Neurophysiology}. Ireland: Elsevier, roč.~116/2005, č.~1, s.~160-171, 11 s. ISSN~1388-2457. 2005.
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