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Study of the interactions in neural ensemble of the brain using wavelet analysis

机译:用小波分析研究大脑神经集合中的相互作用

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摘要

The focal riddle for physicists and neuroscientists consists in disclosing the way microscopic scale neural interactions pilot the formation of the different activities revealed (at a macroscopic scale) by EEG and MEG equipments. In the current paper we estimate the degree of the interactions between the remote regions of the brain, based on the wavelet analysis of EEG signals, recorded from these brain areas. With the help of the proposed approach we analyze the neural interactions, associated with cognitive processes, taken place in human's brain during the perception of visual stimuli. We show that neurons in the remote regions of brain interact with the different degree of intensity in the generation of different rhythms. In particular during the perception of visual stimuli strong interaction has been observed in β - frequency band while strong interaction in α - frequency band has been observed in resting state.
机译:物理学家和神经科学家的主要难题在于,揭示微观尺度的神经相互作用如何引导由EEG和MEG设备揭示的(宏观尺度)不同活动的形成。在当前的论文中,我们基于对从这些大脑区域记录的EEG信号的小波分析,估计了大脑远端区域之间的相互作用程度。借助提出的方法,我们分析了在视觉刺激感知过程中在人脑中发生的与认知过程相关的神经相互作用。我们表明,大脑偏远地区的神经元在不同节律的产生中以不同程度的强度相互作用。特别地,在视觉刺激的感知期间,在β-频带中观察到强相互作用,而在静止状态下在α-频带中观察到强相互作用。

著录项

  • 来源
  • 会议地点 San Francisco(US)
  • 作者单位

    REC 'Artificial Intelligence Systems and Neurotechnology', Yurij Gagarin State Technical University of Saratov, Politechnicheskaya Str. 77, Saratov, 410056, Russia;

    REC 'Artificial Intelligence Systems and Neurotechnology', Yurij Gagarin State Technical University of Saratov, Politechnicheskaya Str. 77, Saratov, 410056, Russia;

    REC 'Artificial Intelligence Systems and Neurotechnology', Yurij Gagarin State Technical University of Saratov, Politechnicheskaya Str. 77, Saratov, 410056, Russia;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Electroencephalogram; visual perception; neural interactions;

    机译:脑电图视觉感知神经相互作用;

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