Influence of Experience and Training on Dental Students' Examination Performance Regarding Panoramic Images.
Influence of Experience and Training on Dental Students' Examination Performance Regarding Panoramic Images.
复制标题
经验和培训对牙科学生全景图像考试表现的影响。
DOI：
10.1002/j.0022-0337.2016.80.2.tb06071.x
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发表时间：
2016
影响因子：
2.3
通讯作者：
E. Lam
中科院分区：
文献类型：
--
作者：
Daniel P Turgeon;E. Lam
医生培训极大地受益于了解专家搜索医学图像异常的方式所获得的见解。本研究的目的是比较 30 名四年级牙科学生和 15 名经过认证的口腔颌面放射科医生 (OMR) 对全景图像的搜索模式，并确定未来涉及图像可视化的研究中最稳健的变量。在检查 20 张分类为正常或异常的全景图像时，使用眼动追踪来捕获两个受试者组的眼球运动模式。异常图像进一步细分为具有明显、中间或细微异常。这些图像以随机顺序呈现给每个参与者，并收集参与者观察持续时间和跟踪的总距离、第一眼注视的时间以及感兴趣区域 (AOI) 内外的总持续时间和注视次数的数据。结果表明，对于正常图像，OMR 覆盖的距离比牙科学生更大 (p<0.001)。对于病理图像，与学生相比，OMR 需要的总时间更少 (p<0.001)，注视次数更少 (p<0.01)，扫视次数也更少 (p<0.001)，并且首次注视 AOI 之前所需的时间更少 (p<0.01)。此外，对于明显的病理现象，OMR 比牙科学生覆盖的距离更短 (p<0.001)。对于病理图像的研究，首次注视时间是预测能力的一个稳健参数。对于具有不同程度的微妙程度的悲伤的图像，在比较具有不同经验水平的观察者群体时，注视次数、花费的总时间和重访次数是需要分析的重要参数。
Physician training has greatly benefitted from insights gained in understanding the manner in which experts search medical images for abnormalities. The aims of this study were to compare the search patterns of 30 fourth-year dental students and 15 certified oral and maxillofacial radiologists (OMRs) over panoramic images and to determine the most robust variables for future studies involving image visualization. Eye tracking was used to capture the eye movement patterns of both subject groups when examining 20 panoramic images classified as normal or abnormal. Abnormal images were further subclassified as having an obvious, intermediate, or subtle abnormality. The images were presented in random order to each participant, and data were collected on duration of the participants' observations and total distance tracked, time to first eye fixation, and total duration and numbers of fixations on and off the area of interest (AOI). The results showed that the OMRs covered greater distances than the dental students (p<0.001) for normal images. For images of pathosis, the OMRs required less total time (p<0.001), made fewer eye fixations (p<0.01) with fewer saccades (p<0.001) than the students, and required less time before making the first fixation on the AOI (p<0.01). Furthermore, the OMRs covered less distance (p<0.001) than the dental students for obvious pathoses. For investigations of images of pathosis, time to first fixation is a robust parameter in predicting ability. For images with different levels of subtlety of pathoses, the number of fixations, total time spent, and numbers of revisits are important parameters to analyze when comparing observer groups with different levels of experience.