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KMID : 0389520020090010061
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Sleep Medicine.Psychophysiology
2002 Volume.9 No. 1 p.61 ~ p.67
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Psychophysiological Response Patterns Measured by a Biofeedback System in Healthy People
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Kim Youl-Li
Koo Moon-Sun
Kim Eui-Jun
Yu Bum-Hee
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Abstract
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Objectives: This study is aimed at measuring psychophystoiogical responses using a biofeedback system in healthy people to obtain basic normative data for biofeedback research and treatment.
Methods: Ninety-six healthy volunteers (55 males and 41 females : average age 30.4±8.0) without any history of major medical or psychiatric illnesses participated in this study. Psychophysiological responses were assessed using the ProComp+ and BioGraph program (ver. 2.1) with regard to forearm and frontal etectromvography (EMG), electrodermal response (EDR), and skin temperature. They were measured in 3 phases (baseline, stress, and recovery phases), respectively. Beck depression inventory and Spielberger state and trait anxiety inventory were used to measure mood states. We compared psychophysiological responses according to age and gender differences, respectively and examined the relationship between mood states and psychophysiological measures.
Results: People in their twenties showed higher EDR levels in the 3 phases than those of other age groups. Female subjects showed higher frontal EMG levels in the 3 phases compared with male subjects. There was no significant correlation between biofeedback measures and mood states in these subjects.
Conclusion: We present normative data of psychophysiological responses measured by a biofeedback system in healthy people. These results suggest that gender and age should be considered as important variables in assessing psychophysiological responses using a biofeedback system.
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KEYWORD
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Psychophysiological Responses, Biofeedback, Mood states
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