書誌事項
- タイトル別名
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- Source Models and Measurements of MEG and EEG Activities Associated with Color Imagination
- シキサイ ソウキジ ニ カンサツサレル ノウ ジズ ノウハ ノ ケイソク ト
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The purpose of this study is to propose a model in which both magnetoencephalogram (MEG) and electroencephalogram (EEG) activities evoked by color imagination are treated simultaneously. The components of magnetic fields perpendicular to the surface of a head were measured by using a dc SQUID with a first-derivative gradiometer. We observed that both MEG and EEG activities were effected by color imagination. The power spectrum of MEG evoked by color imagination showed a single sharp peak at 11Hz. In contrast, the power spectrum of EEG showed two peaks at 9 Hz and 11 Hz. The EEG topography showed that the spectrum component at 11Hz dominated in the occipital region. We proposed a two-dipole model of color imagination using the 14 points of EEG activities. The dipoles were estimated in the visual cortex.
収録刊行物
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- 電気学会論文誌C(電子・情報・システム部門誌)
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電気学会論文誌C(電子・情報・システム部門誌) 116 (2), 205-209, 1996
一般社団法人 電気学会
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詳細情報
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- CRID
- 1390282679584924288
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- NII論文ID
- 130006844000
- 10001785184
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- NII書誌ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL書誌ID
- 3926007
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- NDL
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