Smooth-pursuit performance during Eye-typing from Memory indicates Mental Fatigue.

IF 1.3 4区 心理学 Q3 OPHTHALMOLOGY
Tanya Bafna-Rührer, Per Bækgaard, John Paulin Hansen
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引用次数: 1

Abstract

Mental fatigue is known to occur as a result of activities related to e.g. transportation, health-care, military operations and numerous other cognitive demanding tasks. Gaze tracking has wide-ranging applications, with the technology becoming more compact and processing power reducing. Though numerous techniques have been applied to measure mental fatigue using gaze tracking, smooth-pursuit movement, a natural eye movement generated when following a moving object with gaze, has not been explored with relation to mental fatigue. In this paper, we report the results from a smooth-pursuit movement based eye-typing experiment with varying task difficulty to generate cognitive load, performed in the morning and afternoon by 36 participants. We have investigated the effects of time-on-task and time of day on mental fatigue using self-reported questionnaires and smooth-pursuit performance, extracted from the gaze data. The self-reported mental fatigue increased due to time-on-task, but the time of day did not have an effect. The results illustrate that smooth-pursuit movement performance declined with time-on-task, with increased error in the gaze position and an inability to match the speed of the moving object. The findings exhibit the feasibility of mental fatigue detection using smoothpursuit movements during an eye-interactive task of eye-typing.

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根据记忆键入眼睛时的平滑追踪表现表明精神疲劳。
众所周知,由于与运输、保健、军事行动和许多其他认知要求高的任务有关的活动,会出现精神疲劳。随着技术的日益紧凑和处理能力的降低,注视跟踪具有广泛的应用。虽然已经有许多技术被应用于通过凝视跟踪来测量精神疲劳,但平滑追求运动(一种用目光跟踪移动物体时产生的自然眼球运动)与精神疲劳的关系尚未被探索。在本文中,我们报告了36名参与者在上午和下午进行的一项基于平滑追求运动的眼睛打字实验的结果,该实验具有不同的任务难度来产生认知负荷。我们利用从凝视数据中提取的自我报告问卷和平滑追求表现,研究了任务时间和一天中的时间对精神疲劳的影响。自我报告的精神疲劳增加是由于按时完成任务,但一天中的时间没有影响。结果表明,随着任务时间的延长,平滑追踪运动的性能下降,注视位置的误差增加,无法匹配移动物体的速度。研究结果表明,在眼睛打字的眼睛互动任务中,使用平滑追踪运动来检测精神疲劳是可行的。
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来源期刊
CiteScore
2.90
自引率
33.30%
发文量
10
审稿时长
10 weeks
期刊介绍: The Journal of Eye Movement Research is an open-access, peer-reviewed scientific periodical devoted to all aspects of oculomotor functioning including methodology of eye recording, neurophysiological and cognitive models, attention, reading, as well as applications in neurology, ergonomy, media research and other areas,
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