A Random-Dot Kinematogram for Web-Based Vision Research

Web-based experiments using visual stimuli have become increasingly common in recent years, but many frequently-used stimuli in vision research have yet to be developed for online platforms. Here, we introduce the first open access random-dot kinematogram (RDK) for use in web browsers. This fully cu...

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Veröffentlicht in:Journal of open research software Jg. 6; H. 1; S. 6
Hauptverfasser: Rajananda, Sivananda, Lau, Hakwan, Odegaard, Brian
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Ubiquity Press Ltd 27.01.2018
Ubiquity Press
Schlagworte:
Analysis
JavaScript
JavaScript (Programming language)
jsPsych
moving dot stimulus
online experiments
Online information services
random dot motion
Random-dot kinematogram
Stimuli (Psychology)
Vision research
Visual perception
visual psychophysics
visual stimuli
Web browsers
Web services
web-based experiments
ISSN:2049-9647, 2049-9647
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Beschreibung
Zusammenfassung:Web-based experiments using visual stimuli have become increasingly common in recent years, but many frequently-used stimuli in vision research have yet to be developed for online platforms. Here, we introduce the first open access random-dot kinematogram (RDK) for use in web browsers. This fully customizable RDK offers options to implement several different types of noise (random position, random walk, random direction) and parameters to control aperture shape, coherence level, the number of dots, and other features. We include links to commented JavaScript code for easy implementation in web-based experiments, as well as an example of how this stimulus can be integrated as a plugin with a JavaScript library for online studies (jsPsych).Keywords: Random-dot kinematogram, random dot motion, moving dot stimulus, web-based experiments, online experiments, visual psychophysics, vision research, visual stimuli, JavaScript, jsPsych
ISSN:2049-9647
2049-9647
DOI:10.5334/jors.194