Instructions

In this experiment, you will be presented with a flickering picture, where you will try to identify what is changing.

1. Each trial begins with a blank screen. When you are ready, press the space bar.
2. You will see what appears to be a flickering picture, and somewhere in that picture something is changing. As soon as you detect what is changing, press the space bar.
3. The blank screen for the next trial will then be presented.

You will complete ten experimental trials. At the end, your response times will be shown. Click ">" button to begin.