機器操作時の方向認知における手と機器との空間的適合関係

抄録

As portable electronics and various types of devices are constantly being downsized, the style of operation is being diversified. The control strategy in situations where the equipment controls are not situated in front of a human body or face is very different from a face-to-face situation. It is therefore important to clarify the mechanism of direction judgment when the equipment controls are not situated directly in front of the human body or face. The purpose of this study was to investigate the effect of the orientation of an operator's hand movement based on direction judgment in a cognitive manner. In our experimental conditions, right-handed participants were asked to judge directions by the voice instructions provided by the computer through certain sound sand to push the appropriate button that corresponded to the direction in a cognitive manner. In a series of three experiments, we verify the effects of the orientation and positions of an operator's hand, and the differences between the dominant and non-dominant hands on control performance. The results of these experiments indicate that the ease in mental imaging of the control direction is particularly influenced by hand orientation. In addition, the results also show that for control strategy, there are differences between dominant and non-dominant hands.