A system and method for continuous monitoring of central nervous system diseases are provided in which typing cadence is used to measure cognitive function at a very granular level, providing hard, specific and detailed data to the neurologists about the central nervous system diseases. The system may also be used by a patient with a central nervous system disease to experiment with changes to diet, exercise and other things and test the effectiveness of those changes and patients can understand better why an unexpected improvement or worsening occurred.
