Lemniscate de Gerono:x (t) = a * sin (t);y (t) = a * sin (t) * cos (t);with periodic acceleration and change of direction.The protocol has been patented by the University of Palo Alto: https://en.wikipedia.org/wiki/Eye_movement_desensitization_and_reprocessingSource code: https://github.com/ThomasBucaioni/simpleEMDR