GoCognitive. Educational tools for Cognitive Neuroscience

Change Blindness

Release v0.93 [02/04/2009]
Tags: change blindness | change detection | visual attention | visual perception

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This demonstration allows you to test yourself in the change-blindness paradigm. Your task is to find the change between two images and click on it as quickly as you can. A change could be the deletion of an element from the original picture, a color or location change, a size change, etc. You are also able to control the flicker rate of the two images, as well as the interval during which the changes are masked. Due to the number of images required for this demonstration, the demo might take a little while (up to a minute or two) to load.

The images presented here are a small subset of images largely created by students in the course "Cognitive Psychology" taught in the Fall of 2009 at the University of Idaho. We will make a flash file available soon that will allow you to download the "change blindness player" onto your own computer and use your own images as part of the demonstration. This will allow you to run experiments in the change blindness paradigm. We will also make different sets of images available for download for you to play around with. If you have created interesting change blindness stimuli and you would like to share them, please send them our way. Eventually we will offer an automatic upload of your materials to the site, but for now you can email me directly at swerner at uidaho dot edu.