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Primacy of mouth over eyes to perceive audiovisual Mandarin lexical tones 在感知视听普通话词调时,口胜于眼
IF 2.1 4区 心理学 Q2 Medicine Pub Date : 2023-11-29 DOI: 10.16910/jemr.16.4.4
Biao Zeng, Guoxing Yu, Nabil Hasshim, Shanhu Hong
The visual cues of lexical tones are more implicit and much less investigated than consonants and vowels, and it is still unclear what facial areas contribute to facial tones identification. This study investigated Chinese and English speakers’ eye movements when they were asked to identify audiovisual Mandarin lexical tones. The Chinese and English speakers were presented with an audiovisual clip of Mandarin monosyllables (for instance, /ă/, /à/, /ĭ/, /ì/) and were asked to identify whether the syllables were a dipping tone (/ă/, / ĭ/) or a falling tone (/ à/, /ì/). These audiovisual syllables were presented in clear, noisy and silent (absence of audio signal) conditions. An eye-tracker recorded the participants’ eye movements. Results showed that the participants gazed more at the mouth than the eyes. In addition, when acoustic conditions became adverse, both the Chinese and English speakers increased their gaze duration at the mouth rather than at the eyes. The findings suggested that the mouth is the primary area that listeners utilise in their perception of audiovisual lexical tones. The similar eye movements between the Chinese and English speakers imply that the mouth acts as a perceptual cue that provides articulatory information, as opposed to social and pragmatic information.
与辅音和元音相比,声调的视觉线索更隐含,研究也更少。本研究调查了汉语和英语使用者在被要求识别视听普通话词调时的眼动情况。研究人员向汉语和英语使用者展示了普通话单音节(例如:/ă/、/à/、/ĭ/、/ì/)的视听片段,并要求他们识别这些音节是上声调(/ă/、/ ĭ/)还是下声调(/ à/、/ì/)。这些视听音节分别在清晰、嘈杂和无声(无音频信号)的条件下呈现。眼动仪记录了参与者的眼球运动。结果显示,与眼睛相比,被试更多地注视嘴巴。此外,当声音条件变得不利时,说中文和英语的人都会增加注视嘴巴的时间,而不是眼睛。研究结果表明,听者在感知视听词调时主要利用嘴部。中文和英文听者的眼球运动相似,这意味着口腔是提供发音信息的感知线索,而不是社会和语用信息。
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引用次数: 0
The role of format familiarity and word frequency in Chinese reading 格式熟悉度和词频在中文阅读中的作用
IF 2.1 4区 心理学 Q2 Medicine Pub Date : 2023-11-29 DOI: 10.16910/jemr.16.4.5
Mingjing Chen, Jiamei Lu
For Chinese readers, reading from left to right is the norm, while reading from right to left is unfamiliar. This study comprises two experiments investigating how format familiarity and word frequency affect reading by Chinese people. Experiment 1 examines the roles of format familiarity (reading from left to right is the familiar Chinese format, and reading from right to left is the unfamiliar Chinese format) and word frequency in vocabulary recognition. Forty students read the same Chinese sentences from left to right and from right to left. Target words were divided into high and low frequency words. In Experiment 2, participants engaged in right-to-left reading training for 10 days to test whether their right-to-left reading performance could be improved. The study yields several main findings. First, format familiarity affects vocabulary recognition. Participants reading from left to right had shorter fixation times, higher skipping rates, and viewing positions closer to word center.. Second,  word frequency affects vocabulary recognition in Chinese reading. Third, right-to-left reading training could improve reading performance. In the early indexes, the interaction effect of format familiarity and word frequency was significant. There was also a significant word-frequency effect from left to right but not from right to left. Therefore, word segmentation and vocabulary recognition may be sequential in Chinese reading.
对于中国读者来说,从左到右阅读是常态,而从右到左阅读则是陌生的。本研究包括两个实验,调查格式熟悉度和词频如何影响中国人的阅读。实验一考察了格式熟悉度(从左往右读是熟悉的中文格式,从右往左读是不熟悉的中文格式)和词频在词汇识别中的作用。40 名学生分别从左到右和从右到左阅读相同的中文句子。目标词分为高频词和低频词。在实验 2 中,受试者进行了为期 10 天的从右到左阅读训练,以检验他们的从右到左阅读能力是否有所提高。研究得出了几个主要发现。首先,格式熟悉程度会影响词汇识别。从左到右阅读的参与者的固定时间更短,跳读率更高,而且阅读位置更靠近单词中心。第二,词频影响中文阅读中的词汇识别。第三,从右向左的阅读训练可以提高阅读成绩。在早期指标中,格式熟悉度和词频的交互效应显著。从左到右的词频效应也很明显,但从右到左的词频效应不明显。因此,中文阅读中的分词和词汇识别可能是有顺序的。
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引用次数: 0
Filtering eye-tracking data from an EyeLink 1000: Comparing heuristic, savitzky-golay, IIR and FIR digital filters 从EyeLink 1000中过滤眼动追踪数据:比较启发式、savitzky-golay、IIR和FIR数字滤波器
4区 心理学 Q2 Medicine Pub Date : 2023-10-19 DOI: 10.16910/jemr.14.3.6
Mehedi Hasan Raju, Lee Friedman, Troy Bouman, Oleg Komogortsev
In a prior report (Raju et al., 2023) we concluded that, if the goal was to preserve events such as saccades, microsaccades, and smooth pursuit in eye-tracking recordings, data with sine wave frequencies less than 75 Hz were the signal and data above 75 Hz were noise. Here, we compare five filters in their ability to preserve signal and remove noise. We compared the proprietary STD and EXTRA heuristic filters provided by our EyeLink 1000 (SR-Research, Ottawa, Canada), a Savitzky-Golay (SG) filter, an infinite impulse response (IIR) filter (low-pass Butterworth), and a finite impulse filter (FIR). For each of the non-heuristic filters, we systematically searched for optimal parameters. Both the IIR and the FIR filters were zero-phase filters. All filters were evaluated on 216 fixation segments (256 samples), from nine subjects. Mean frequency response profiles and amplitude spectra for all five filters are provided. Also, we examined the effect of our filters on a noisy recording. Our FIR filter had the sharpest roll-off of any filter. Therefore, it maintained the signal and removed noise more effectively than any other filter. On this basis, we recommend the use of our FIR filter. We also report on the effect of these filters on temporal autocorrelation.
在之前的报告(Raju et al., 2023)中,我们得出结论,如果目标是在眼动追踪记录中保留诸如扫视、微扫视和平滑追踪等事件,那么正弦波频率低于75 Hz的数据是信号,高于75 Hz的数据是噪声。在这里,我们比较了五种滤波器保持信号和去除噪声的能力。我们比较了我们的EyeLink 1000 (SR-Research, Ottawa, Canada)提供的专有STD和EXTRA启发式滤波器、Savitzky-Golay (SG)滤波器、无限脉冲响应(IIR)滤波器(低通Butterworth)和有限脉冲滤波器(FIR)。对于每个非启发式过滤器,我们系统地搜索最优参数。IIR滤波器和FIR滤波器都是零相位滤波器。所有过滤器在9个受试者的216个固定段(256个样本)上进行评估。给出了五种滤波器的平均频率响应曲线和振幅谱。此外,我们还检查了我们的过滤器对嘈杂录音的影响。我们的FIR滤波器具有所有滤波器中最大的滚降。因此,它比任何其他滤波器更有效地保持了信号并去除了噪声。在此基础上,我们建议使用我们的FIR滤波器。我们还报道了这些滤波器对时间自相关的影响。
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引用次数: 2
Behind the scenes: Impact of virtual backgrounds in educational videos on visual processing and learning outcomes 幕后:教育视频中虚拟背景对视觉处理和学习结果的影响
4区 心理学 Q2 Medicine Pub Date : 2023-10-19 DOI: 10.16910/jemr.16.3.4
Leen Catrysse, Andrienne Kerckhoffs, Halszka Jarodzka
The increasing use of instructional videos in educational settings has emphasized the need for a deeper understanding of their design requirements. This study investigates the impact of virtual backgrounds in educational videos on students' visual information processing and learning outcomes. Participants aged 14-17 (N=47) were randomly assigned to one of three conditions: a video with a neutral, authentic, or off-topic background. Their prior knowledge and working memory capacity (WMC) were measured before watching the video, and eye tracking data was collected during the viewing. Learning outcomes and student experiences were assessed after viewing. The eye tracking data revealed that a neutral background was the least distracting, allowing students to pay better attention to relevant parts of the video. Students found the off-topic background most distracting, but the negative effect on learning outcomes was not statistically significant. In contrast to expectations, no positive effect was observed for the authentic background. Furthermore, WMC had a significant impact on visual information processing and learning outcomes. These findings suggest that educators should consider using neutral backgrounds in educational videos, particularly for learners with lower WMC. Consequently, this research underscores the significance of careful design considerations in the creation of instructional videos.
在教育环境中越来越多地使用教学录象,强调需要更深入地了解其设计要求。本研究探讨了虚拟背景对学生视觉信息加工和学习效果的影响。年龄在14-17岁的参与者(N=47)被随机分配到三种情况中的一种:中性、真实或离题背景的视频。在观看视频前测量他们的先验知识和工作记忆容量(WMC),并在观看过程中收集眼动追踪数据。学习成果和学生体验在观看后进行评估。眼动追踪数据显示,中性背景最不容易分散注意力,能让学生更好地关注视频的相关部分。学生发现离题背景最容易分散注意力,但对学习成果的负面影响在统计上并不显著。与预期相反,真实背景没有观察到积极的影响。此外,WMC对视觉信息加工和学习结果有显著影响。这些发现表明,教育工作者应该考虑在教育视频中使用中性背景,特别是对于低WMC的学习者。因此,本研究强调了在教学视频创作中仔细设计考虑的重要性。
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引用次数: 0
The influence of eye model parameter variations on simulated eye-tracking outcomes 眼模型参数变化对模拟眼动追踪结果的影响
4区 心理学 Q2 Medicine Pub Date : 2023-10-16 DOI: 10.16910/jemr.16.3.1
Joshua Fischer, David Van den Heever, None Johan van der Merwe
The simulated data used in eye-tracking-related research has been largely generated using normative eye models with little consideration of how the variations in eye biometry found in the population may influence eye-tracking outcomes. This study investigated the influence that variations in eye model parameters have on the ability of simulated data to predict real-world eye-tracking outcomes. The real-world experiments performed by two pertinent comparative studies were replicated in a simulated environment using a high-complexity stochastic eye model that includes anatomically accurate distributions of eye biometry parameters. The outcomes showed that variations in anterior corneal asphericity significantly influence simulated eye-tracking outcomes of both interpolation and model-based gaze estimation algorithms. Other, more commonly varied parameters such as the corneal radius of curvature and foveal offset angle had little influence on simulated outcomes.
眼动追踪相关研究中使用的模拟数据主要是使用规范的眼模型生成的,很少考虑人群中眼生物特征的变化如何影响眼动追踪结果。本研究探讨了眼模型参数的变化对模拟数据预测现实世界眼动追踪结果的影响。两项相关比较研究的真实世界实验在模拟环境中使用高复杂性随机眼睛模型进行复制,该模型包括眼睛生物计量参数的解剖精确分布。结果表明,前角膜非球形度的变化显著影响插值和基于模型的注视估计算法的模拟眼动追踪结果。另外,更常见的变化参数,如角膜曲率半径和中央凹偏移角对模拟结果影响不大。
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引用次数: 0
Changes in saccadic eye movement and smooth pursuit gain in patients with acquired comitant esotropia after strabismus surgery 斜视术后获得性共同性内斜视患者的眼球跳动和平滑追求增益的变化
4区 心理学 Q2 Medicine Pub Date : 2023-09-22 DOI: 10.16910/jemr.16.4.3
Miharu Mihara, Atsushi Hayashi, Ken Kakeue, Ryoi Tamura
This study investigates the change in horizontal saccadic eye movement and smooth pursuit in patients with acquired comitant esotropia (ACE), before and after strabismus surgery. The horizontal saccades and pursuit in 11 patients with ACE were recorded using a video eye-tracker under binocular viewing before and after strabismus surgery. Participants were instructed to fixate on the new target as rapidly as possible when it randomly appeared at either 18.3° rightward or 18.3° leftward. For smooth pursuit, participants were asked to track, as accurately as possible, a step-ramp target moving at ±6.1°/s. The asymmetry of adduction-abduction and the binocular coordination in gains of saccade and pursuit were compared between the pre- and post-surgical data. The asymmetry of adduction-abduction saccade gain in each eye after surgery tended to be smaller than that before surgery. The binocular coordination of saccade showed significant improvement after surgery in only the non-dominant eye direction. Adduction-abduction asymmetry in the smooth pursuit gain in each eye after surgery tended to be smaller than before surgery. After surgery, the binocular coordination of pursuit was improved significantly in both directions. In patients with ACE, binocular coordination of saccade and smooth pursuit was poor. Binocular coordination of saccade and pursuit seems to be improved due to the improvement in ocular deviation angle and binocular visual function after surgery.
本研究探讨了获得性共同性内斜视(ACE)患者在斜视手术前后水平跳眼运动和平滑追踪的变化。采用视频眼动仪对11例ACE患者斜视手术前后的水平扫视和追动进行了记录。当新目标随机出现在右侧18.3°或左侧18.3°时,参与者被要求尽可能快地注视新目标。为了顺利追踪,参与者被要求尽可能准确地跟踪以±6.1°/s移动的台阶-斜坡目标。我们比较了手术前后的内收外展不对称性和双眼协调性。术后各眼内收外展扫视的不对称性较术前有减小的趋势。仅在非优势眼方向上,术后双眼扫视协调性有显著改善。术后每只眼内收外展不对称的平滑追求增益趋向于小于术前。术后双眼追求协调在两个方向上均有明显改善。ACE患者的双眼视跳协调性差,眼球平顺性差。由于术后眼偏角和双眼视功能的改善,双眼的扫视和追视协调性似乎有所改善。
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引用次数: 0
Testing different function fitting methods for mobile eye-tracker calibration 测试不同功能拟合方法在移动眼动仪标定中的应用
4区 心理学 Q2 Medicine Pub Date : 2023-09-14 DOI: 10.16910/jemr.16.4.2
Börn Severitt, Thomas Kübler, Enkelejda Kasneci
During calibration, an eye-tracker fits a mapping function from features to a target gaze point. While there is research on which mapping function to use, little is known about how to best estimate the function's parameters. We investigate how different fitting methods impact accuracy under different noise factors, such as mobile eye-tracker imprecision or detection errors in feature extraction during calibration. For this purpose, a simulation of binocular gaze was developed for a) different calibration patterns and b) different noise characteristics. We found the commonly used polynomial regression via least-squares-error fit often lacks to find good mapping functions when compared to ridge regression. Especially as data becomes noisier, outlier-tolerant fitting methods are of importance. We demonstrate a reduction in mean MSE of 20% by simply using ridge over polynomial fit in a mobile eye-tracking experiment.
在校准过程中,眼动仪拟合一个从特征到目标注视点的映射功能。虽然有关于使用哪个映射函数的研究,但对于如何最好地估计函数的参数知之甚少。我们研究了在不同的噪声因素下,不同的拟合方法对精度的影响,如校准过程中移动眼动仪的不精度或特征提取的检测误差。为此,针对a)不同的校准模式和b)不同的噪声特性,开发了双目凝视模拟。我们发现,与岭回归相比,常用的最小二乘误差拟合多项式回归往往缺乏良好的映射函数。特别是当数据变得更有噪声时,容忍离群值的拟合方法非常重要。我们证明了在移动眼动追踪实验中,通过简单地使用ridge over多项式拟合,平均MSE降低了20%。
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引用次数: 0
Motion velocity as a preattentive feature in cartographic symbolization 运动速度是地图符号化中一个预先注意的特征
4区 心理学 Q2 Medicine Pub Date : 2023-09-14 DOI: 10.16910/jemr.16.4.1
Paweł Cybulski, Vassilios Krassanakis
The presented study aims to examine the process of preattentive processing of dynamic point symbols used in cartographic symbology. More specifically, we explore different motion types of geometric symbols on a map together with various motion velocity distribution scales. The main hypothesis is that, in specific cases, motion velocity of dynamic point symbols is the feature that could be perceived preattentively on a map. In a controlled laboratory experiment, with 103 participants and eye tracking methods, we used administrative border maps with animated symbols. Participants’ task was to find and precisely identify the fastest changing symbol. It turned out that not every type of motion could be perceived preattentively even though the motion distribution scale did not change. The same applied to symbols’ shape. Eye movement analysis revealed that successful detection was closely related to the fixation on the target after initial preattentive vision. This confirms a significant role of the motion velocity distribution and the usage of symbols’ shape in cartographic design of animated maps.
本研究旨在探讨地图符号学中动态点符号的预注意加工过程。更具体地说,我们探索了地图上不同运动类型的几何符号以及不同的运动速度分布尺度。主要假设是,在特定情况下,动态点符号的运动速度是可以在地图上被预先注意到的特征。在一项有103名参与者参与的受控实验室实验中,我们使用了带有动画符号的行政边界地图。参与者的任务是找到并准确识别变化最快的符号。结果表明,并不是每一种类型的运动都能被前注意感知,即使运动分布尺度没有改变。符号的形状也是如此。眼动分析表明,成功的检测与初始注意视觉后对目标的注视密切相关。这证实了运动速度分布和符号形状的使用在动画地图制图设计中的重要作用。
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引用次数: 0
Eye tracking in optometry: A systematic review 眼动追踪在验光中的应用:系统回顾
4区 心理学 Q2 Medicine Pub Date : 2023-08-16 DOI: 10.16910/jemr.16.3.3
Leonela González-Vides, José Luis Hernández-Verdejo, Pilar Cañadas-Suárez
This systematic review examines the use of eye-tracking devices in optometry, describing their main characteristics, areas of application and metrics used. Using the PRISMA method, a systematic search was performed of three databases. The search strategy identified 141 reports relevant to this topic, indicating the exponential growth over the past ten years of the use of eye trackers in optometry. Eye-tracking technology was applied in at least 12 areas of the field of optometry and rehabilitation, the main ones being optometric device technology, and the assessment, treatment, and analysis of ocular disorders. The main devices reported on were infrared light-based and had an image capture frequency of 60 Hz to 2000 Hz. The main metrics mentioned were fixations, saccadic movements, smooth pursuit, microsaccades, and pupil variables. Study quality was sometimes limited in that incomplete information was provided regarding the devices used, the study design, the methods used, participants' visual function and statistical treatment of data. While there is still a need for more research in this area, eye-tracking devices should be more actively incorporated as a useful tool with both clinical and research applications. This review highlights the robustness this technology offers to obtain objective information about a person's vision in terms of optometry and visual function, with implications for improving visual health services and our understanding of the vision process.
这篇系统的综述研究了眼动追踪设备在验光中的应用,描述了它们的主要特点、应用领域和使用的指标。采用PRISMA方法对三个数据库进行了系统检索。搜索策略确定了141份与该主题相关的报告,表明在过去十年中,眼动仪在验光中的使用呈指数级增长。眼动追踪技术至少应用于验光与康复领域的12个领域,主要是验光装置技术、眼部疾病的评估、治疗和分析。报告的主要设备是基于红外光的,图像捕获频率为60 Hz至2000 Hz。所提到的主要指标是注视、扫视运动、平滑追踪、微扫视和瞳孔变量。研究质量有时会受到限制,因为所提供的信息不完整,包括使用的设备、研究设计、使用的方法、参与者的视觉功能和数据的统计处理。虽然这一领域还需要更多的研究,但眼动追踪设备应该更积极地作为临床和研究应用的有用工具。这篇综述强调了这项技术在验光和视觉功能方面提供的关于一个人的视觉的客观信息的稳健性,这对改善视觉健康服务和我们对视觉过程的理解具有重要意义。
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引用次数: 0
An Eye Tracking Based Framework for Safety Improvement of Offshore Operations. 基于眼动跟踪的海上作业安全改进框架
IF 1.3 4区 心理学 Q3 OPHTHALMOLOGY Pub Date : 2023-08-10 eCollection Date: 2023-01-01 DOI: 10.16910/jemr.16.3.2
Muhammad A Raza, Raj Kiran, Saima Ghazal, Ziho Kang, Saeed Salehi, Edward Cokely, Jiwon Jeon

Offshore drilling operations consist of complex and high-risk processes. Lack of situational awareness in drilling operations has become an important human factor issue that causes safety accidents. Prolonged work shifts and fatigue are some of the crucial issues that impact performance. Eye tracking technology can be used to distinguish the degree of awareness or alertness of participants that might be related to fatigue or onsite distractions. Oculomotor activity can be used to obtain visual cues that can quantify the drilling operators' situational awareness that might enable us to develop warning alarms to alert the driller. Such systems can help reduce accidents and save non-productive time. In this paper, eye movement char-acteristics were investigated to differentiate the situational awareness between a representa-tive expert and a group of novices using a scenario-based Virtual Reality Drilling Simulator. Significant visual oculomotor activity differences were identified between the expert and the novices that indicate an eye-tracking based system can detect the distraction and alert-ness exhibited by the workers. Results show promise on developing a framework which implements a real-time eye tracking technology in various drilling operations at drilling rigs and Real Time Operation Centers to improve process safety.

海上钻井作业是一个复杂而高风险的过程。钻井作业中缺乏态势感知已成为造成安全事故的重要人为因素问题。长时间的轮班和疲劳是影响工作表现的一些关键问题。眼动追踪技术可以用来区分参与者的意识或警觉性程度,这可能与疲劳或现场分心有关。眼球运动可用于获得视觉线索,从而量化钻井作业人员的态势感知,从而使我们能够开发预警警报,提醒钻井人员。这样的系统可以帮助减少事故,节省非生产时间。在本文中,我们使用基于场景的虚拟现实钻井模拟器,使用眼动追踪技术来区分具有代表性的专家和一组新手之间的态势感知。在专家和新手之间发现了显著的视动眼肌活动差异,这表明基于眼动追踪的系统可以检测到工人表现出的分心和警觉。研究结果可用于开发框架,用于在钻机和实时操作中心的各种钻井作业中实施实时眼动追踪技术,以提高过程安全性。
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引用次数: 0
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Journal of Eye Movement Research
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