| 摘要 |
A training instruction based on an ideal breath pattern to obtain the relaxation state in which the alpha wave mainly appears is informed by the acoustic output and/or photoelectric display in order to perform the respiration training. The state of the abdominal respiration of a person to be examined is detected by a sensor attached to the abdominal region. The detected breath pattern by the abdominal respiration is compared with the ideal breath pattern. A degree of similarity between them is informed.
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