| 摘要 |
A light display in which the individual lights are positioned in relation to an x and y axis, and in which further any one selected light is operated in tandem, either automatically or manually by an instructor resulting in the illumination thereof, and then by the patient, usually a child, resulting in the turning off of the light. The operational control over the selected light, as just generally noted, is achieved using correspondingly x and y axis-positioned buttons, thus requiring the patient to determine the corresponding position of the position-related light and button involved, with the result that the patient receives spacial orientation instruction.
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