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http://dx.doi.org/10.21796/jse.2019.43.1.157

The Influence of Number of Targets on Commonness Knowledge Generation and Brain Activity during the Life Science Commonness Discovery Task Performance  

Kim, Yong-Seong (Research Institute of The Korea Special Education)
Jeong, Jin-Su (Daegu University)
Publication Information
Journal of Science Education / v.43, no.1, 2019 , pp. 157-172 More about this Journal
Abstract
The purpose of this study is to analyze the influence of number of targets on common knowledge generation and brain activity during the common life science discovery task performance. In this study, 35 preliminary life science teachers participated. This study was intentionally made a block designed for EEG recording. EEGs were collected while subjects were performing common discovery tasks. The sLORETA method and the relative power spectrum analysis method were used to analyze the brain activity difference and the role of activated cortical and subcortical regions according to the degree of difficulty of common discovery task. As a result of the study, in the case of the Theta wave, the activity of the Theta wave was significantly decreased in the frontal lobe and increased in the occipital lobe when the difficult difficulty task was compared with the easy difficulty task. In the case of Alpha wave, the activity of Alpha decreased significantly in the frontal lobe when performing difficult task with difficulty. Beta wave activity decreased significantly in the frontal lobe, parietal lobe, and occipital lobe when performing difficult task. Finally, in the case of Gamma wave, activity of Gamma wave decreased in the frontal lobe and activity increased in the parietal lobe and temporal lobe when performing the difficult difficulty task compared to the task of easy difficulty. The level of difficulty of the commonality discovery task is determined by the cingulate gyrus, the cuneus, the lingual gyrus, the posterior cingulate, the precuneus, and the sub-gyral where it was shown to have an impact. Therefore, the difficulty of the commonality discovery task is the process of integrating the visual information extracted from the image and the location information, comparing the attributes of the objects, selecting the necessary information, visual work memory process of the selected information. It can be said to affect the process of perception.
Keywords
Life Science Commonness Discovery; Task Difficulty; EEG; Relative Power Spectrum; sLORETA;
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Times Cited By KSCI : 2  (Citation Analysis)
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