Detection of Neural Activity Associated with Thinking in Frontal Lobe by Magnetoencephalograpy(WHAT IS LIFE? THE NEXT 100 YEARS OF YUKAWA'S DREAM)
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概要
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We measured brain activity in normal subjects using magnetoencephalography while they were presented a series of thinking tasks intended to induce the natural thought. Changes in the spontaneous brain activity were assessed with a Super-conducting Quantum Interference Device (SQUID) neuromagnetometer. We detected transitions in the active portions of the brain during non-thinking tasks by analyzing brain magnetic filed of the frontal lobe in each various frequency range, α wave (8-12Hz), β wave (12-24Hz), γ wave (24-60Hz), and θ wave (4-8Hz). The α wave in the left hemisphere was more prominent than and waves, a distinctive feature of brain activity of the non-thinking state in our study. In addition, the α wave was prominent in the left hemisphere throughout every task including the non-thinking task.
- 2008-08-08
著者
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Nishimura Kazuo
Institute of Economic Research, Kyoto University
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Nishimura Kazuo
Institute Of Economic Research Kyoto University
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Tobinaga Yoshikazu
Elegaphy
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TONOIKE Mitsuo
Department of Medical Engineering,Faculty of Nursing and Rehabilitation,Aino University
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TONOIKE Mitsuo
Department of Medical System Engineering, Graduate School of Engineering, Chiba University
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- Detection of Neural Activity Associated with Thinking in Frontal Lobe by Magnetoencephalograpy(WHAT IS LIFE? THE NEXT 100 YEARS OF YUKAWA'S DREAM)