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| Research article summary (published 30 Jan 2003): |
A tool for tracking visual attention: the Restricted Focus Viewer.
Full Abstract
Eye-tracking equipment has proven useful in examining the cognitive processes people use when understanding and reasoning with visual stimuli. However, eye-tracking has several drawbacks:
accurate eye-tracking equipment is expensive, it is often awkward for participants, it requires frequent recalibration, and the data can be difficult to interpret. We introduce an alternative tool:
the Restricted Focus Viewer (RFV). This is a computer program that takes an image, blurs it, and displays it on a computer monitor, allowing the participant to see only a small region of the image in focus at any time. The region in focus can be moved using the computer mouse. The RFV records what the participant is focusing on at any point in time. It is cheap, nonintrusive, does not require calibration, and provides accurate data about which region is being focused on. We describe this tool and also provide experimental comparisons with eye-tracking. The RFV (Version 2.1) is freely available at http://www.csse.monash.edu. au/projects/RFV/.
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Author information
Author/s: Jansen, Anthony R (AR); Blackwell, Alan F (AF); Marriott, Kim (K);
Affiliation: School of Computer Science and Software Engineering, Monash University, Victoria, Australia. tonyj(-atsign-)mail.csse.monash.edu.au
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Behavior research methods, instruments, & computers : a journal of the Psychonomic Society, Inc (Behav Res Methods Instrum Comput), published in United States. (Language: eng)
Reference: 2003-Feb; vol 35 (issue 1) : pp 57-69
Dates: Created 2003/05/01; Completed 2003/05/20; Revised 2007/11/15;
PMID: 12723780, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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