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, 2005, roč. 116/2005, č. 1, s. 160-171, 11 s. ISSN 1388-2457. |
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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, 2005, roč.~116/2005, č.~1, s.~160-171, 11 s. ISSN~1388-2457.
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