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Xiong, Shuping
Ergonomics and Applied Biomechanics Lab
Research Interests
  • Ergonomic product design & development (especially footwear and body-fitted products)
  • Human balance and biomechanics
  • Human performance analysis and modeling
  • Evaluation and design of safety signs

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Eye movements and brain oscillations to symbolic safety signs with different comprehensibility

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Title
Eye movements and brain oscillations to symbolic safety signs with different comprehensibility
Author
Siswandari, YohanaXiong, Shuping
Issue Date
2015-12
Publisher
BIOMED CENTRAL LTD
Citation
JOURNAL OF PHYSIOLOGICAL ANTHROPOLOGY, v.34, pp.42
Abstract
Background: The aim of this study was to investigate eye movements and brain oscillations to symbolic safety signs with different comprehensibility. Methods: Forty-two young adults participated in this study, and ten traffic symbols consisting of easy-to-comprehend and hard-to-comprehend signs were used as stimuli. During the sign comprehension test, real-time eye movements and spontaneous brain activity [electroencephalogram (EEG) data] were simultaneously recorded. Results: The comprehensibility level of symbolic traffic signs significantly affects eye movements and EEG spectral power. The harder to comprehend the sign is, the slower the blink rate, the larger the pupil diameter, and the longer the time to first fixation. Noticeable differences on EEG spectral power between easy-to-comprehend and hard-to-comprehend signs are observed in the prefrontal and visual cortex of the human brain. Conclusions: Sign comprehensibility has significant effects on real-time nonintrusive eye movements and brain oscillations. These findings demonstrate the potential to integrate physiological measures from eye movements and brain oscillations with existing evaluation methods in assessing the comprehensibility of symbolic safety signs.
URI
https://scholarworks.unist.ac.kr/handle/201301/18015
URL
http://jphysiolanthropol.biomedcentral.com/articles/10.1186/s40101-015-0081-3
DOI
10.1186/s40101-015-0081-3
ISSN
1880-6805
Appears in Collections:
DHE_Journal Papers
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