Here you can configure application settings: 


Look carefully at the screen and try to remember the images that will be displayed in short time intervals. After that, the pictures will disappear for a short time and you will be offered one or more images after the delay period.

If any of the images after the time delay is equal to the one before the delay, click on it. If no images after the time delay is equal to the one before the delay, do not click on any images. The image you selected will have a red border. You can cancel the selection by clicking the same or another image again.

For the next task, click the button at the bottom of the screen (right arrow). After that you have some time to cancel the previously selected answer by clicking the button (left arrow). Your results will be displayed at the end of the research.