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Comparative Analysis of Theta and Alpha the Relative Power Spectral Activation Difference between Middle School Students with and without disabilities during Classification Task

  • Journal of Special Education: Theory and Practice
  • Abbr : JSPED
  • 2015, 16(2), pp.551-572
  • Publisher : Research Institute of the Korea Special Education
  • Research Area : Social Science > Education

Kim Yong-Seong 1 Jeong, Jin-Su 1

1대구대학교

Accredited

ABSTRACT

The purpose of this study was to analyze comparing the difference of brain activations between middle school students with intellectual disabilities and without disabilities, which were measured during to performance of the EEG tasks. The tasks were composed of two tasks: criteria task and scientific classification task. Criteria task was developed to activity which to moving 5 rectangular pictures as designated spaces. Scientific classification task was to divide the five insect pictures as two or more groups. This study was designed as block designs for the EEG recording. The EEG data were recorded from each 4 middle school students with intellectual disabilities and without disabilities. As a results, middle school students with intellectual disabilities were developed incorrect classification criteria. But middle school students without intellectual disabilities were developed correct classification criteria. In analysis result of the theta and the alpha band the relative power spectral activation difference, Middle students with intellectual disabilities are increased the theta band(4.0∼7.9㎐) in the frontal lobe, the parietal lobe, and the temporal lobe. and they are increased the theta band(4.0∼7.9㎐) in whole brain. But, Middle students without intellectual disabilities are decreased the theta band(4.0∼7.9㎐) in the frontal lobe, the parietal lobe, and the temporal lobe. and they are decreased the theta band(4.0∼7.9㎐) in whole brain. In case of the alphaband(8.0∼12.9㎐), middle students with intellectual disabilities are increased the alpha band(8.0∼12.9㎐) activation in the temporal lobe and the occipital lobe. but they are decreased the activation in whole brain. On the other hand, Middle students without intellectual disabilities are decreased the alpha band(8.0∼12.9㎐) activation in the temporal lobe, the occipital lobe, and whole brain. This study discussed implications of these findings for teaching scientific classification of middle school students with intellectual disability.

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