姿勢の精神生理学的な意味に関する研究 : 姿勢が意識活動に与える影響(システム情報工学科)

概要

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Aim: The aim of this study is "What meaning does lying have?" So this study examined the effects of body posture on electroencephalographic(EEG) activity and electrocardiographic(ECG) activity in 6 normal male volunteers. Methods: EEG and ECG data were collected while subjects were performing the following processes, 1)90sec standing with eyes open, 2)90sec standing with eyes closed, 3)mental arithmetic calculation(MAC) with standing, 4)90sec lying with eyes open, 5)90sec lying with eyes closed and 6)MAC with lying. Results: The manipulation of body posture caused the changes of R-R intervals and LF/HF ratio which are indices of ECG. Concretely lying made R-R intervals prolong and LF/HF ratio decrease, on the other hand EEG activity changed mainly under eyes open/closed conditions. Conclusions: These results suggest that the change of body posture has the effect on not EEG activity but ECG activity, indicating that the change of body posture has the effect on not cerebral cortex but autonomic nervous system.
足利工業大学の論文