IN ONE ASPECT OF THE PRESENT INVENTION, THERE IS DISCLOSED A METHOD (100) FOR REVIEWING AND ANALYZING EEG SIGNALS OF A PATIENT COMPRISING THE STEPS OF: CREATING AN INTERFACE (108) BASED ON SAID SIGNALS LOADING SAMPLE DATA BASED ON TYPE OF VISUAL STIMULUS FROM SAID INTERFACE SELECTING AND LOADING THE TYPE OF STIMULUS DATA BASED ON THE PATIENT (109) LOADING DATA RELATED TO THE PATIENT FROM SAID INTERFACE AND ANALYZING SAID DATA WITH FFT FROM SAID INTERFACE (111). MOST ILLUSTRATIVE DIAGRAM: FIGURE 1