Virtual reality system, comprising: A virtual reality device including a virtual reality module including a display device configured to project an image sequence in the visual field of a user; an audio playback device configured to produce a first sound signal (S1) comprising a soundtrack, a second sound signal (S2) having a first frequency (f1) and being audible by one ear of the user, a third soundtrack (S3) having a second frequency (f2) and being audible by the other ear of the user, and a fourth soundtrack (S4) comprising a spoken presentation; and A control unit configured to control the virtual reality module characterized in that : the display device projects the image sequence and the audio playback device produces the first sound signal (S1), the second sound signal (S2), the third sound signal (S3) and the fourth sound signal (S4) during a period of stimulation comprising an initial portion (ti), a median portion (tm) and a final portion (tf); and in which the display device further produces an induction signal (S5) during the initial portion (ti), the induction signal (S5) comprises a projection of a light signal (L) superimposed on the image sequence or a dual-channel sound displacing rythmically and in a to-and-fro movement between the first and a second area in the space surrounding the user . A virtual reality device including a virtual reality module including a display device configured to project an image sequence in the visual field of a user; an audio playback device configured to produce a first sound signal (S1) comprising a soundtrack, a second sound signal (S2) having a first frequency (f1) and being audible by one ear of the user, a third soundtrack (S3) having a second frequency (f2) and being audible by the other ear of the user, and a fourth soundtrack (S4) comprising a spoken presentation; and A control unit configured to control the virtual reality module characterized in that : the display device projects the image sequence and the audio playback device produces the first sound signal (S1), the second sound signal (S2), the third sound signal (S3) and the fourth sound signal (S4) during a period of stimulation comprising an initial portion (ti), a median portion (tm) and a final portion (tf); and in which the display device further produces an induction signal (S5) during the initial portion (ti), the induction signal (S5) comprises a projection of a light signal (L) superimposed on the image sequence or a dual-channel sound displacing rythmically and in a to-and-fro movement between the first and a second area in the space surrounding the user . the display device projects the image sequence and the audio playback device produces the first sound signal (S1), the second sound signal (S2), the third sound signal (S3) and the fourth sound signal (S4) during a period of stimulation comprising an initial portion (ti), a median portion (tm) and a final portion (tf); and in which the display device further produces an induction signal (S5) during the initial portion (ti), the induction signal (S5) comprises a projection of a light signal (L) superimposed on the image sequence or a dual-channel sound displacing rythmically and in a to-and-fro movement between the first and a second area in the space surrounding the user . <EOS>