Cortical lateralization analysis by kolmogorov entropy of EEG

  • Authors:

  • Lianyi Zhang;Chongxun Zheng

  • Affiliations:

  • Key Laboratory of Biomedical Information Engineering of EducationMinistry Xi’an, Jiaotong University, Xi’an, China;Key Laboratory of Biomedical Information Engineering of EducationMinistry Xi’an, Jiaotong University, Xi’an, China

  • Venue:
  • PCI'05 Proceedings of the 10th Panhellenic conference on Advances in Informatics
  • Year:
  • 2005

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Abstract

Based on nonlinear dynamic method, mean Kolmogorov entropy (KE) is introduced to analyze and localize the cortical lateralization. The results indicate that: 1) the lateralization determined by Kolmogorov entropy of EEG proposed in this paper is consistent with previous known studies. But this method is more sensitive to cortical lateralization. This method can identify the differences of cortical lateralization between different brain function areas. 2) The dominant hemisphere is not always the same one for some particular task. 3) The cortical lateralization may involve in several different cortical areas synchronously and for different brain areas the lateralizations of the same mental task may be not on the same side. 4) To analyze and localize cortical lateralization, mean Kolmogorov entropy based on spontaneous EEG is a good method.