Every time I practice meditation I use the Neurosky to record my brainwaves and then you can chart how your brain is changing (if at all) over time! Pretty neato, right?
On Thursday evening, I finally managed to get the NeuroSky headset I ordered working with my computer! The headset is a BCI (brain-computer interface) that measures your brainwaves in real-time and sends a stream of data wirelessly to your computer where it can be used to interact with computer programs.
Here's a photo of my playing one of the simple games that comes installed where you try to make barrels on the screen explode by focusing your attention on them.