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KMID : 1035420140020020079
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Journal of The Korean Society of Integrative Medicine
2014 Volume.2 No. 2 p.79 ~ p.88
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A Comparison of EEG and Forearms EMG Activity depend on the Type of Smartphone when Inputting Text Messages
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Lee Hyoung-Soo
Go Gyeong-Jin
Kim Jin-Won
Park Song-Yi
Park Ji-Seon
Park Jin-Ri
Seok Hye-Ri
Yang Gu-Reum
Yang Si-Eun
Yun Gwang-Oh
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Abstract
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Purpose: This study investigated the relationship between smartphone addiction propensities and compare muscle activity of the forearms and brain wave depend on the type of smartphone when inputting text messages.
Method: We used an EMG to measure the change in muscle activity by attaching pads to the four muscles in both forearms of all 16 participants. We simultaneously conducted EEG measurements by observing the changes in alpha and beta waves recorded from electrode attached to both ears and the forehead of the participants. The participants had to input a given text using three different types of smartphones for ten minutes each.
Result: The comparison of the EMG when inputting text involved a one way analysis of variance and the results showed that the iPad3 was highest for muscle activity followed by GALAXY Note2 and iPhone4. For EEG measurement, a one way analysis of variance was also used and the results showed iPhone4 was higest followed by GALAXY Note2 and finally iPad3 for EEG stress score.
Conclusion: The results are thought to be used as reference data for smart phone users.
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KEYWORD
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EEG, EMG, forearms, inputting text messages, smartphone addiction
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