基于眼动和脑电指标评价腹腔镜训练效果

发布时间：2018-05-05 19:09

本文选题：腹腔镜手术训练 + 眼动仪　；参考：《生物医学工程学杂志》2017年01期

【摘要】：本研究旨在客观评价训练者在不同专注度下的腹腔镜模拟训练效果。利用Brain Link采集脑电信号,计算样本熵和θ/β值来评价专注度;利用Tobii眼动仪采集眼动信号,计算完成时间、错误数、注视点个数来评价腹腔镜模拟训练效果。招募20名志愿者,其样本熵值小于0.77的为A组,大于0.77的为B组。结果表明,A组的样本熵值均小于B组,且变化较为平缓;而B组的样本熵值在前5次训练中变化较为平缓,后5次训练过程中变化较大。A组θ/β值较B组小,且整体变化趋势较为平缓。A组操作完成时间短,错误数少,注视点个数下降更快。本研究表明,训练者的专注度会影响训练效果。专注状态较好的A组,腹腔镜模拟训练技能水平提升快,学习效率高;而B组腹腔镜技能水平虽然也在提升,但达到学习稳定期所需要的时间更长。
[Abstract]:The purpose of this study was to evaluate the results of the simulated training for the trainers under different concentration of attention. Using Brain Link to collect EEG signals, calculate the sample entropy and theta / beta values to evaluate the concentration degree; use the Tobii eye movement instrument to collect the eye movement signal, calculate the completion time, the error number, and the number of gaze points to evaluate the effect of the laparoscopic simulation training. 20 recruits are recruited. The entropy value of the sample was less than 0.77 in group A and more than 0.77 in group B. The results showed that the entropy of A group was less than that of group B, and the change was relatively slow, while the entropy value of the B group was relatively slow in the first 5 training sessions, and the higher.A group in the later 5 training process was smaller than that of the B group, and the overall change trend was relatively slow.A operation. This study shows that the concentration of the trainer will affect the training effect. In the A group with better concentration, the skill level of the laparoscopic simulation training is improved quickly and the learning efficiency is high, while the B group of laparoscopic skills is also improving, but it takes longer to achieve the period of learning stability.

【作者单位】：上海理工大学医疗器械与食品学院;
【分类号】：TP274;R616

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