Topological distribution of oddball 'P300' responses

被引:63
作者
Basar-Eroglu, C
Demiralp, T
Schürmann, M
Basar, E
机构
[1] Med Univ Lubeck, Inst Physiol, D-23538 Lubeck, Germany
[2] Univ Bremen, Inst Physiol & Cognit Res, D-28334 Bremen, Germany
[3] Univ Istanbul, Dept Physiol, Electroneurophysiol Res & Applicat Ctr, TR-34390 Capa Istanbul, Turkey
关键词
P300; oddball; STM; attention; decision making; delta response; theta response;
D O I
10.1016/S0167-8760(00)00142-2
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
This report describes the frequency response of the oddball paradigm upon auditory stimuli. Other reports related to wavelet analysis of the same ERPs (Demiralp et al., 1999) and the application of visual signals (Schurmann et al., this volume) indicate that the P300 response has a dominant delta response oscillation, independent of the modality of the stimulation. Moreover, the adaptive digital filtering and the wavelet analysis lead to very similar results, confirming that delta responses are real brain responses as already mentioned, by Basar et al. (this volume). The theta response has a second late response window in comparison to auditory evoked potentials. Moreover, the functional significance of the selectively distributed theta and delta systems of the brain will be clearly demonstrated. Signal detection, short-term memory, and decision-making processes are discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:213 / 220
页数:8
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