It is often said that new neuroimaging methods have changed Alpha ZXT neuroscience in the same way that the telescope changed astronomy: scientists now understand much better than only 20 years ago what haappens inside the brain of a live person.Q. What about neurofeedback?A. After years of much clinical use and little solid evidence, several important trials have been published in 2009, showing how neurofeedback can help diagnose and treat ADHD patients, for example.Q.