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Impact of web accessibility on cognitive engagement in individuals without disabilities: Evidence from a psychophysiological study
Date
2025-07-30
Abstract
Web accessibility features on websites are designed for individuals with disabilities that include low vision and cognitive impairments, but such features can benefit everyone. This study investigates the impact of accessibility features of the web on ambient/focal visual attention and cognitive processing in individuals without disabilities. The study involved 20 participants reading news websites with different levels of low vision and
cognitive-related accessibility features while their eye movements and heart rate variability were monitored. The findings show that cognitive engagement declined over time when no accessibility enhancements were present. The study also demonstrates that enhancing cognitive accessibility leads to increased user cognitive engagement, while low vision accessibility features make websites easier to read. These findings are corroborated
by self-reports and psychophysiological measures, such as eye-tracking metrics and heart rate variability. The effects from these psychophysiological measures, together with participants’ self-reports, support the benefits of enhancing web accessibility features for all users. The implications for future website design are also discussed.
Supervisor
Description
Publisher
Public Library of Science
Citation
PLoS One 20(7), e0328552.
Files
ULRR Identifiers
Funding code
Funding Information
Sustainable Development Goals
External Link
Type
Article
Rights
http://creativecommons.org/licenses/by-nc-sa/4.0/