Persyst 13 is the most advanced clinical EEG software available.

Persyst is integrated, sold, and supported by every major EEG manufacturer.

Persyst 13 has everything you need for qEEG.

Spike Detection

Persyst spike detection has been shown to be non-inferior to skilled human reviewers.


A comprehensive set of Trends which are easy to use and customize.

Seizure Detection

The most powerful, advanced, and clinically-relevant seizure detector available.

Artifact Reduction

Selectively reduces, EMG, eye movement, and electrode artifact in real-time.

Persyst is integrated, sold and supported by
most major manufacturers including
Natus, Nihon Kohden, Cadwell, Compumedics and many more.

Introducing Persyst mobile.
EEG at your fingertips.

Persyst Mobile is the first EEG monitoring and review application cleared by the FDA to run on mobile devices. Now you can quickly and easily access EEG wherever you are.

Semiautomated Spike Detection Software Persyst 13 Is Noninferior to Human Readers When Calculating the Spike-Wave Index in Electrical Status Epilepticus in Sleep

Purpose: Our objective was to use semiautomatic methods for calculating the spike-wave index (SWI) in electrical status epilepticus in slow-wave sleep (ESES) and to determine whether this calculation is noninferior to human experts (HEs). Methods: [...]