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. 2016 Jul 13;4(2):e10. doi: 10.2196/games.5708

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©Tegan Blackburne, Alexandra Rodriguez, Stuart John Johnstone. Originally published in JMIR Serious Games (http://games.jmir.org), 13.07.2016.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Serious Games, is properly cited. The complete bibliographic information, a link to the original publication on http://games.jmir.org, as well as this copyright and license information must be included.

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Example of the NoGo app environment with “unhealthy” (doughnut, orange soft drink) and “healthy” (radish, capsicum, water, orange) image categories. This example shows level 6—there are 6 images shown simultaneously, with the active image (requiring a response or not) indicated by the reaction time deadline timer (below doughnut).