Exploring Respiratory Parameters Related to Psychophysiological Indexes of Mental Health

Miyu Suzuki, Hiroki Sato
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Abstract

Psychophysiological indexes based on questionnaire scores and heart rate variability analysis are widely used as mental health indexes. In this study, we focused on respiratory information and aimed to explore respiratory parameters related to psychophysiological indexes of mental health. Seven respiratory parameters were used: respiratory rate, inhalation time, exhalation time, exhalation-inhalation ratio, inhalation time variability, exhalation time variability, and exhalation-inhalation ratio variability. Furthermore, the seven respiratory parameters were analyzed using representative psychophysiological indexes: relaxation scale, anxiety scale (STAI), sleep scale (PSQI-J), and pulse wave, EEG. Twenty-eight university students participated in the experiment. Simultaneous measurements with a band-type respiration sensor, an optical pulse wave sensor, and an electrode-type EEG sensor were performed for 5 min in a resting state after obtaining answers to each questionnaire, and finally, answers to the questionnaires were obtained again. A correlation analysis of the respiratory parameters and psychophysiological indexes revealed a positive correlation (r=0.41 and r=0.44, respectively) between state anxiety and the variability of inhalation and exhalation times (p<0.05). This result suggests that the variability of inhalation and exhalation times can potentially be used for mental health assessment.
探讨与心理健康心理生理指标相关的呼吸参数
基于问卷得分和心率变异性分析的心理生理指标被广泛用作心理健康指标。在本研究中,我们以呼吸信息为重点,旨在探索与心理健康心理生理指标相关的呼吸参数。采用7个呼吸参数:呼吸速率、吸入时间、呼出时间、呼入比、吸入时间变异性、呼出时间变异性和呼入比变异性。采用具有代表性的心理生理指标:放松量表、焦虑量表(STAI)、睡眠量表(PSQI-J)和脉搏波、脑电图对7项呼吸参数进行分析。28名大学生参加了这项实验。在获得问卷答案后,在静息状态下,使用带式呼吸传感器、光脉冲波传感器和电极式脑电图传感器同时测量5 min,最后再次获得问卷答案。呼吸参数和心理生理指标的相关分析显示,状态焦虑与吸入、呼出次数变异性呈正相关(r=0.41, r=0.44) (p<0.05)。这一结果表明,吸气和呼气时间的可变性可以潜在地用于心理健康评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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