Effect of pace adjustment with others on respiration, heart rate, and mood state

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When individuals perform voluntary movements, they choose a spontaneously appropriate pace that is known as "preferred pace". Several investigations have reported that intra-individual consistency and inter-individual differences in preferred pace. In everyday life we sometimes perform the mutual adjustment with others, which is assumed to be one of the essential forms of the physical communications. In this case, we are forced to adjust our own comfortable pace to those of others. The purpose of this study was to investigate psychophysiologic responses during the pace adjustment.In chapter 1, the usefulness of the study for human communication along with issues concerning self-selected pace are noted. In chapter 2, the various the words that are associated to slow and fast were classified, from the viewpoint on how humans feel when they imagine under those paces. We pointed out that different movement paces associate with different feelings. In chapter 3, psychophysiological responses to slow movement execution are discussed. We pointed out that breath control may be required in order to adjust each individuals' preferred pace slow interval stimulus, and influence on their mood state negatively since these are difficult performances. In chapter 4, the communication process through body expression in the case of group work session was analyzed. The results suggest that the third participant may be a key person who helps to understand an image easily for another person participated in the same play. In chapter 5, two experiments were designed to put the pace adjustment skill for practical use.