CAJ | 학술논문

为获取人机交互数字界面中图标元素生理评估的相关脑电成分和神经学依据，基于事件相关电位技术，采用改进的样本延迟匹配任务实验范式，研究在不同时间压力（4000 ms，2000 ms）和不同图标数量（3个图标，5个图标，10个图标）下图标记忆。实验结果表明：在图标认知过程中，P300有显著波幅差异，并在PZ 电极附近存在最大波幅；P200在 FCZ 附近有明显波幅变化；P300和 P200的波幅随任务难度的增加呈增大趋势；P300的潜伏期和任务难度呈现负相关现象。图标记忆特征的事件相关电位研究，对用户神经认知行为和界面可用性生理评估有非常重要的参考价值和指导意义。
위획취인궤교호수자계면중도표원소생리평고적상관뇌전성분화신경학의거，기우사건상관전위기술，채용개진적양본연지필배임무실험범식，연구재불동시간압력（4000 ms，2000 ms）화불동도표수량（3개도표，5개도표，10개도표）하도표기억。실험결과표명：재도표인지과정중，P300유현저파폭차이，병재PZ 전겁부근존재최대파폭；P200재 FCZ 부근유명현파폭변화；P300화 P200적파폭수임무난도적증가정증대추세；P300적잠복기화임무난도정현부상관현상。도표기억특정적사건상관전위연구，대용호신경인지행위화계면가용성생리평고유비상중요적삼고개치화지도의의。
In order to obtain related brain electrical components and neural bases of physiology assessment of icon elements in a digital human-computer interface the modified sample-delay matching task experimental paradigm is used under different time pressures 4 000 and 2 000 ms and different icon quantities three five and ten icons on icon memory based on event-related potential ERP technology.Experimental results demonstrate that P300 has significant volatility changes and the maximum amplitude around the middle line of the parietal area PZ and P200 has obvious volatility changes around the middle line of the frontal and central area FCZ during icon cognition.P300 and P200 amplitudes increase as tasks become more difficult.Thus P300 latency is positively correlated with task difficulty. ERP research on the characteristics of icon memory will be an important reference standard in guiding user neurocognitive behavior and physiology assessment on interface usability.