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Reading on-screen text with gaze-based auto-scrolling

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


Original languageEnglish
Title of host publicationProceedings of the 2013 Conference on Eye Tracking South Africa, ETSA 2013
Number of pages8
Publication statusPublished - 2013
Publication typeA4 Article in a conference publication
Event2013 Conference on Eye Tracking South Africa, ETSA 2013 - Cape Town, South Africa
Duration: 29 Aug 201331 Aug 2013


Conference2013 Conference on Eye Tracking South Africa, ETSA 2013
CountrySouth Africa
CityCape Town


Visual information on eye movements can be used to facilitate scrolling while one is reading on-screen text. We carried out an experiment to find preferred reading regions on the screen and implemented an automatic scrolling technique based on the preferred regions of each individual reader. We then examined whether manual and automatic scrolling have an effect on reading behaviour on the basis of eye movement metrics, such as fixation duration and fixation count. We also studied how different font sizes affect the eye movement metrics. Results of analysis of data collected from 24 participants indicated no significant difference between manual and automatic scrolling in reading behaviour. Preferred reading regions on the screen varied among the participants. Most of them preferred relatively short regions. A significant effect of font size on fixation count was found. Subjective opinions indicated that participants found automatic scrolling convenient to use.


  • automatic scrolling, eye movements, fixation count, fixation duration, manual scrolling, reading, reading region