Portable EEG DigiTrack movEEG device for digital EEG signal acquisition and analysis. Device features and parameters: 32 or 42 channel EEG amplifier High quality laptop Computer-controlled photostimulator. It could be customized by the User (it is possible to enter any number of photostimulation sequences that enable to set up the flash frequency, the duration of the flash and the duration of the pause between the flash series), EEG DigiTrack software with following functions: recording, viewing and analysis of the EEG. It enables a smooth viewing and change of the scale of the EEG fragments. There are many other functions, for example the spectral analysis of any fragment of the EEG (FFT). Patient Database software for patient registration, examination management and creating statistics Set of cables, power supply EEG cap, set of electrodes with cables