The “none of the above,” category
How do I create frequency and voltage topographic maps?
Creating_Frequency_and_Voltage_Topographic_Maps_in_Persyst (PDF)
Does Persyst access PHI?
PHI (Protected Health Information) Persyst software is a medical device. Just as a heart rate monitor has access to PHI, Persyst Software has access to PHI. Also, like a heart rate monitor, the data collected / analyzed resides entirely within your control at all times and like a heart rate monitor manufacturer, Persyst Development Corporation [...]