Exploration of mechanisms of action organization with object manipulation-based on line-of-sight analysis of brain lesion patients-

对于日常生活活动的精确执行，例如写信，泡茶等，我们以适当的方式有效地使用相关工具/对象。在各种脑损伤后，顺序对象操作往往受损。在本研究中，我们使用眼动追踪系统来分析视觉搜索的性质在一系列的日常任务。在表现出动作紊乱的患者中，集中在一个目标上的注视次数，e。例如，在一个实施例中，杯，从采取一种工具，e.例如，在一个实施例中，茶壶，之前与对象的相互作用显着减少。同样，与当前行为无关而与未来行为相关的前瞻注视次数显著减少。我们认为，可能有功能障碍的视觉空间注意的分配和预处理有关的物体的空间坐标。

For the precise execution of activities of daily living such as writing a letter, tea making, etc., we effectively use related tools/objects in an appropriate way. After various brain lesions, sequential object manipulations are often impaired. In the present study, we used an eye-tracking system to analyze the nature of visual searching during a series of everyday tasks. In patients showing action disorganizations, the number of fixations which focused on a target, e. g., cup, ranging from taking a tool, e. g., teapot, prior to interaction with the object was significantly reduced. In the same way, the number of look-ahead fixations which were not related to the immediate action but a future one was significantly decreased. We suggest that there may be dysfunction in the allocation of visuospatial attention and pre-processing regarding the spatial coordinates of related objects.