The idea behind Z-Score neurofeedback is that instead of training complex EEG parameters with various magnitudes and units, training with a standardized or normalized Z-Score can make neurofeedback training more easy to understand and work with. As with classical neurofeedback, the principles of learning the desired changes through operant conditioning, still apply.

Z-score, how is it measured ?

The main difference with traditional neurofeedback is that the client will train with Z-Scores rather than levels of microvolts, hertz or ratios. The Z-Score function developed by Applied Neuroscience Inc. (USA), is based on joint time frequency analysis (JTFA) and specially designed for neurofeedback in other words, for near real-time use.