What Is Neurofeedback? How It Works, and Whether You Need a Brain Map First

Neurofeedback is a non-invasive form of brain training. Sensors read your brain’s activity in real time, and gentle audio or visual feedback helps your brain practice calmer, more focused patterns. Over time, many people find their nervous system settles more easily on its own. And despite what you may have read, you don’t always need a brain map to begin.