Fatigue and Arousal Modulations Revealed by Saccade and Pupil Dynamics
Bibliographic Data
| ID | 15467473 |
|---|---|
| Authors | Jui‐Tai Chen (0000-0002-4018-7303, Taipei Medical University-Shuang Ho Hospital), Jui-Tai Chen (Taipei Medical University), Ying-Chun Kuo (National Central University), Tzu-Yu Hsu (0000-0001-6157-9114, Taipei Medical University-Shuang Ho Hospital), Chin‐An Wang (0000-0002-6203-7701, National Central University, corresponding author) |
| Year | 2022 |
| Volume | 19 |
| Issue | 15 |
| Pages | 9234-9234 |
| Publication date | 2022-07-28 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph19159234 |
| PMID | 35954585 |
| OpenAlex | W4288435117 |
| Language | EN |
| Citations received | 3 |
| References cited | 80 |
Saccadic eye movements are directed to the objects of interests and enable high-resolution visual images in the exploration of the visual world. There is a trial-to-trial variation in saccade dynamics even in a simple task, possibly attributed to arousal fluctuations. Previous studies have showed that an increase of fatigue level over time, also known as time-on-task, can be revealed by saccade peak velocity. In addition, pupil size, controlled by the autonomic nervous system, has long been used as an arousal index. However, limited research has been done with regards to the relation between pupil size and saccade behavior in the context of trial-to-trial variation. To investigate fatigue and arousal effects on saccadic and pupillary responses, we used bright and emotional stimuli to evoke pupillary responses in tasks requiring reactive and voluntary saccade generation. Decreased voluntary saccade peak velocities, reduced tonic pupil size and phasic pupillary responses were observed as time-on-task increased. Moreover, tonic pupil size affected saccade latency and dynamics, with steeper saccade main sequence slope as tonic pupil size increased. In summary, saccade dynamics and tonic pupil size were sensitive to fatigue and arousal level, together providing valuable information for the understanding of human behavior
Arousal · Audiology · Cognitive psychology · Eye movement · Pupil · Pupillary response · Pupillometry · Saccade · Saccadic masking · Tonic (physiology · Color perception and design · Medicine · Neuroscience · Olfactory and Sensory Function Studies · Psychology · Visual perception and processing mechanisms
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| Unique citing works | 3 |
|---|---|
| Citations per year | 1.5 |
| Citation span | 2024 - 2026 (3) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 3 |