Correlation of alpha activity between the frontal and occipital cortex

  • Wang G
  • Takigawa M
  • Matsushita T
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Abstract

A method of modified coherence analysis was applied to the interpretation of EEG differences between the frontal and occipital cortex. This paper discusses a bidirectional communication model for the frontal and occipital cortex. Directed coherence method was used to analyze alpha activities over the scalp. The results show that both in the left and right hemisphere, slow waves in the alpha frequency band had high correlation in the frontal-occipital direction, and fast waves had high correlation in the occipital-frontal direction. It may suggest that the structure of information transmission is different for fast and slow waves of alpha rhythm.

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Authors

  • Gang Wang

  • Morikuni Takigawa

  • Toshio Matsushita

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