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KMID : 1035420190070030171
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Journal of The Korean Society of Integrative Medicine
2019 Volume.7 No. 3 p.171 ~ p.180
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Comparison of Electroencephalographic Changes during Mental Practice and Action Observation in Subjects with Forward Head Posture
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Yang Hoe-Song
Kang Hyo-Jeong
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Abstract
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Purpose : The purpose of this study was to investigate the difference of motor cortical excitability during mental practice and motion observation in subjects with forward head posture.
Method : This study was performed on the two groups; forward head posture(n=17) and normal(n=17). Electrocephalography was conducted for the investigation of the cerebral cortex activity and the sixth electrodes were attached to Fp1, Fp2, C1, C2, C3, C4 in order to measure the relative alpha power, the relative beta power, the relative gamma power, and mu rhythms. The subjects were requested to perform the four different conditions, which were eye-opening, eye-closing, mental practice, and action observation for 300 seconds.
Result : The results showed that of the relative alpha waves were a significant difference between the normal group and the forward head posture group in the C1, C2, C3, and C4 regions in the eye open(p<0.05). The relative beta waves were a significant difference between the normal group and the forward head posture group in the Fp1 and Fp2 regions during motion observation(p<0.05). Relative gamma waves were significantly different between the normal group and the forward head posture group in the Fp1 and Fp2 regions during motion observation(p<0.05), in C1, C2, and C3 in the eye closed(p<0.05), C1, C2, C3, and C4 regions in the eye open(p<0.05).
Conclusion : The results of this study showed that EEG change in the forward head posture group was different from that in the normal control group when motion observation than mental practice. Therefore, we are expected to provide neurophysiological basis for applying motion observation to motor skills learning when exercising for correcting forward head posture.
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KEYWORD
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cerebral cortex activation, forward head posture, mental practice, motion observation
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