掌握语言-计算机接口:关于用户如何通过实践改进的试点研究
概括
这项研究表明,使用舌头操作的计算机接口可以提高残疾人和非残疾人的性能. 重复练习可以提高这些辅助技术的速度和准确性.
科学领域:
- 辅助技术 辅助技术 辅助技术
- 人与计算机的交互
- 康复工程 康复工程
背景情况:
- 舌头操作的输入设备对于运动残疾人与技术互动至关重要.
- 传统设备通常使用舌头穿孔,但框架集成的标记器提供了一个非侵入性的替代方案.
- 了解这些新设备的学习曲线对于用户采用至关重要.
研究的目的:
- 通过与框架集成的舌头操作输入设备来研究用户能力的演变.
- 为了比较具有和没有运动残疾的个体之间的学习轨迹.
- 评估重复使用对绩效指标的影响.
主要方法:
- 五名没有运动残疾的人和七名运动残疾人 (包括脊髓损伤和ALS) 参与了这项研究.
- 参与者在多个会议中使用了一个非侵入性的诱导性舌头-计算机接口.
- 在每次会议开始时,使用口内目标选择任务来测量性能.
主要成果:
- 非残疾参与者将目标选择时间提高了26%,成功率提高了15%.
- 脊髓损伤参与者的成功率增加了40%,选择时间稳定.
- 与对照组相比,运动残疾人表现出更高的错误率,这表明需要调整停留时间.
结论:
- 重复使用舌头操作的输入设备明显改善了口内目标选择速度和准确性.
- 运动残疾人可能会从更长的停留时间中受益,以减轻无意中选择目标的情况.
- 框架集成的舌头追踪器显示出作为一种有效的辅助技术的承诺,有可能根据用户需求进一步优化.
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