Combined EEG and MEG recordings of visual 40 Hz responses to illusory triangles in human

被引：98

作者：

TallonBaudry, C ^{[1
]}

Bertrand, O ^{[1
]}

Wienbruch, C ^{[1
]}

Ross, B ^{[1
]}

Pantev, C ^{[1
]}

机构：

[1] UNIV MUNSTER, INST EXPT AUDIOL, CTR BIOMAGNETISM, D-48129 MUNSTER, GERMANY

来源：

NEUROREPORT | 1997年 / 8卷 / 05期

关键词：

40; Hz; electroencephalogram; gamma-band; human cortex; magnetocephalography; synchronization; temporal code; vision; visual;

D O I：

10.1097/00001756-199703240-00008

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

EEG and MEG were simultaneously recorded to study the visual gamma-band (30-70 Hz) responses. The electrical gamma-band response phase-locked to stimulus onset can be subdivided into a central component at 39 Hz and an occipital component at 36 Hz. A new high-frequency magnetic phase-locked response recorded over lobe is described. Its topography is complex and probably reflects the activity of multiple sources. Both electrical and magnetic high-frequency responses differ in topography from the low-frequency responses in the same latency range, suggesting that at least partially distinct sources are involved. The existence of a non-phase-locked 40 Hz component around 280 ms is confirmed in EEG data but is not detectable in MEG data.

引用

页码：1103 / 1107

页数：5

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