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RISS 인기검색어
- 검색키워드
- 저자 : Mieko Ohsuga (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Mieko Ohsuga,Hidenori Boutani 대한인간공학회 2014 대한인간공학회 학술대회논문집 Vol.2014 No.5
The adaptive control of robot’s behaviors depending on human states is important to an affective human-robot interaction. We are trying to detect a decrease in concentration of human who is working or doing something not to make an alarm but to capture opportunity to interrupt without giving nuisance. We conducted an experiment with tasks simulating computer work and confirmed that the measures derived from ECG and respiration change significantly by the degraded concentration. In the present study, we introduced the non-intrusive measurement and conducted similar experiments. For ECG we used the capacity coupled electrodes instead of the electrodes attached on the skin. Chips of conductive tape were attached on the back of the seating face of the chair. The pair of them was used as the electrodes for the differential input of the amplifier. The earth electrode was placed on the seat. Respiration was measured detecting the variations of back pressure by pressure sensors attached to the air bags on the back of chair. Five healthy adults who gave written informed consent participated in the experiment. As a result, respiration was measured successfully for most of the time during computer work for three of five participants. ECG measurement was failed during most periods for one participant who moved or changed postures frequently. R-waves were found during 60-90% period for others. The frequency of body movements or changes of postures caused the differences in the performance of measurement.
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( Mieko Ohsuga ),( Hidenori Boutani ) 한국감성과학회 2014 춘계학술대회 Vol.2014 No.-
The adaptive control of robot`s behaviors depending on human states is important to an affective human-robot interaction. We are trying to detect a decrease in concentration of human who is working or doing something not to make an alarm but to capture opportunity to interrupt without giving nuisance. We conducted an experiment with tasks simulating computer work and confirmed that the measures derived from ECG and respiration change significantly by the degraded concentration. In the present study, we introduced the non-intrusive measurement and conducted similar experiments. For ECG we used the capacity coupled electrodes instead of the electrodes attached on the skin. Chips of conductive tape were attached on the back of the seating face of the chair. The pair of them was used as the electrodes for the differential input of the amplifier. The earth electrode was placed on the seat. Respiration was measured detecting the variations of back pressure by pressure sensors attached to the air bags on the back of chair. Five healthy adults who gave written informed consent participated in the experiment.
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Hiroki Uratani,Mieko Ohsuga 대한인간공학회 2014 대한인간공학회 학술대회논문집 Vol.2014 No.5
Three years have passed since the Great East Japan Earthquake, but patients with post traumatic stress disorder (PTSD) still remain. Not only adults, but many children also need mental care. Learning the respiration control method, which relaxes the body and mind, is said to be effective for preventing PTSD. Therefore, we intended to develop a respiration leading stuffed toy, which leads children"s respiration by the up-and-down movement of abdomen and help them relax. We executed a preliminary experiment to study the effects of respiration guidance by it. The participants were 48 children (26 boys and 22 girls) aged 4-12 years. The results show that age under 6 years and boys showed the tendency not to be leaded well. Their respiration patterns suggest that the final respiration leading period (8sec) was too long for them. By the way, heart rate variability (HRV) biofeedback training indicates that the most suitable respiration period for improving chronic diseases is between 9-13 sec for adults. But the suitable respiration period for children has not studied yet. Therefore, we intended to study the relation between HRV and respiration period. The participants were 6 children (2 boys and 4 girls) aged 5-11 years. The amplitude of HRV which is regarded as the index for HRV biofeedback training became highest at 10 or 11 sec for all children similar to adults. But some of the children could not breathe smoothly at those respiration periods. So the most suitable respiration period for smooth breathing is considered to be different from the respiration period which makes amplitude of HRV the highest in children. Further study is needed to clarify their relations.
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( Hiroki Uratani ),( Mieko Ohsuga ) 한국감성과학회 2014 춘계학술대회 Vol.2014 No.-
Three years have passed since the Great East Japan Earthquake, but patients with post traumatic stress disorder (PTSD) still remain. Not only adults, but many children also need mental care. Learning the respiration control method, which relaxes the body and mind, is said to be effective for preventing PTSD. Therefore, we intended to develop a respiration leading stuffed toy, which leads children`s respiration by the up-and-down movement of abdomen and help them relax. We executed a preliminary experiment to study the effects of respiration guidance by it. The participants were 48 children (26 boys and 22 girls) aged 4-12 years. The results show that age under 6 years and boys showed the tendency not to be leaded well. Their respiration patterns suggest that the final respiration leading period (8sec) was too long for them. By the way, heart rate variability (HRV) biofeedback training indicates that the most suitable respiration period for improving chronic diseases is between 9-13 sec for adults. But the suitable respiration period for children has not studied yet.
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