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应用认知神经学的方法研究仪表板上提示符号的设计准则,实验选取20名被试,用不同尺寸的提示符号诱发视觉工作记忆,并对被试的行为数据和脑电信号进行记录。行为数据上,小尺寸提示符号下,人们的反应速度略快;大尺寸提示符号下,人们的反应速度略慢;并且,高载荷(四个图标)的视觉工作记忆比低载荷(两个图标)的视觉工作记忆具有较长的反应时间和较低的反应正确率;结果具有显著性差异。应用事件相关电位的方法分析采集的脑电信号,得到高载荷的视觉工作记忆比低载荷诱发了更负的脑电波。结果表明,提示符号的尺寸对人的行为产生了影响。
Using cognitive neurology method to study the design criteria of cue symbols on the dashboard, 20 subjects were selected in the experiment, visual working memory was induced with different sizes of cues, and the behavioral data and EEG signals of participants were recorded. In the behavioral data, the response speed of people is slightly faster under the small-size prompt symbol; the response speed of people under the large-sized prompt symbol is slightly slower; and the visual working memory with high load (four icons) ) Visual working memory has longer response time and lower response accuracy; the results have significant differences. The application of event-related potentials to the acquired EEG signals resulted in a higher load of visual working memory that induced more negative brain waves than the low load. The results show that the size of the hint symbol has an impact on human behavior.