周波数変化に伴う振動刺激の細胞に与える影響 : 音楽療法と感覚統合療法の感覚刺激との関連

概要

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The effects of sensory stimulation on the body have been reported by many. Gross vibration and equilibrium stimulation, such as swinging in a hammock, and finer stimulation that is applied with a vibrator, are both used in sensory-integration therapy. The sonic stimulation in music therapy uses low frequency vibration. Fifty hertz was reported to give the best results in physiological changes. The purpose of this study was to address the effects of vibration on mutant cells (PC12m3) neurite growth. The vibration was produced by a low frequency oscillator. Frequency, intensity and duration of the vibration were examined. Results showed that the neurite outgrowth rate increased significantly with vibration. The growth was high between 10-150 Hz., and peaked at 40 Hz with an oscillator intensity level over 5 and duration longer than 15 minutes. Since the stimulation in sensory-integration therapy is processed through the sensory nervous system, it may not be appropriate to discuss the vibratory stimulation used in sensory-integration therapy and the vibratory stimulation used in this study in the same context. However, the most effective frequency level obtained in this study corresponded with that of music therapy. Our highly developed and complex nervous system is built on cells, and the response of the nervous system to vibration may be based on the cell level response.
大阪府立大学の論文
2003-12-26