Abnormal ERPs and high frequency bands power in multiple sclerosis

被引：13

作者：

Vazquez-Marrufo, M. ^{[1
,2
]}

Gonzalez-Rosa, J. J. ^{[1
,2
]}

Vaquero, E. ^{[1
]}

Duque, P. ^{[2
]}

Escera, C. ^{[3
]}

Borges, M. ^{[2
]}

Izquierdo, G. ^{[2
]}

Gomez, C. M. ^{[1
]}

机构：

[1] Univ Seville, Dept Expt Psychol, Psychobiol Lab, Seville, Spain

[2] Hosp Virgen Macarena, Multiple Sclerosis Unit, Seville, Spain

[3] Univ Barcelona, Dept Psychol Clin Psychobiol, Cognit Neurosci Res Grp, Catalonia, Spain

来源：

INTERNATIONAL JOURNAL OF NEUROSCIENCE | 2008年 / 118卷 / 01期

关键词：

auditory oddball; ERPs; frequency bands; multiple sclerosis; P3; PSD;

D O I：

10.1080/00207450601041906

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Event-related potentials (ERPs) and power spectral density (PSD) were registered during an auditory-oddball paradigm in I I MS patients. These patients showed a decrease in the amplitude of P2 and N2 components and a delayed P3 latency compared to control subjects suggesting that the attentional orienting mechanism in the auditory modality is affected in MS. The PSD analysis showed that MS patients exhibited an increased power in beta and gamma bands. The combined analysis of frequency and time domain suggested diverse phenomena that occurred in the MS patient group related with the EEG background or the motivational status.

引用

页码：27 / 38

页数：12

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