Following natural disasters, accidents, and shocking incidents, some children experience post-traumatic stress disorder(PTSD) . A respiration control method that relaxes the body and mind may efficiently improve PTSD symptoms. Therefore, we developed a stuffed toy using two airbags to measure the respiration wave and lead a child's respiration using the up-and-down movement of the toy's abdomen to help them relax. We then performed an evaluation experiment. Participants in the experiment

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... ed of 12 healthy girls aged 7-10 years old. The results showed that the respiration wave could be measured by the sensing device, and the child's respiration could be led by the moving device. The effect of the developed stuffed toy on a child's relaxation should be evaluated by further study. 自然災害や事故・事件等の影響により,その後心の病である心的外傷後ストレス障害(PTSD:posttraumatic stress disorder)を発症する子どもたちがいる.心身を落ち着ける呼吸法の習得によりPTSDの症