Half of neurofeedback treatment is the "feedback" part. We've decided to create a simple computer program to provide that visual stimulus. It will allow a user to set brain training goals and watch a computer animation that changes as the user's brain waves change.
I created a low-fidelity wireframe of the program on Balsamiq. In this case, the animation would be flowers blooming or wilting in response to a patient's mental state. Check it out!