| 摘要 |
A method for controlling changes in stimulation of every sort and kind including electrical stimulation, utilizes a three-dimensional 1/f fluctuation. The method is a change control method for controlling changes in stimulation to an object using a three-dimensional 1/f fluctuation and includes the steps of causing changes based upon 1/f fluctuation periods in the X-Z plane of a X-Y-Z space, causing changes based upon 1/f fluctuation periods in the X-Y plane of the space, superposing the caused changes of the previous steps, and applying the superposed caused changes to the object. This makes it possible to realize a low-frequency device free of problems attributable to the tolerance in neural response. A recording medium used to store the change control method, and a change control device using a three-dimensional 1/f fluctuation are also disclosed. Changes based on 1/f fluctuation periods in the X-Z plane and changes based on 1/f fluctuation periods in the X-Y plane are superposed on each other. In the case where stimulation is changed so as to avoid monotonous application of stimulation, for example, in a massaging device, it is possible to perform control for providing three-dimensional changes in the stimulation in which changes occur in both the vertical and horizontal directions, in addition to changes in the stimulation based on two-dimensional 1/f fluctuation periods at a single stimulation point. Thus, it becomes possible to effect control for stimulation changes which are natural and comfortable to an extent that they are closely correspond to the human physiology.
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