Diapositive 26 sur 68

(from http://missionxp.webblogg.se/images/fetus_sucking_thumb_1137581244.jpg)

In utero already, the fetus sucks its thumb: this shows that the  oral pleasure drive is genetically registered. This drive is at the service of life instincts

These life instincts rely on the oral drive to allow the infant to nourish itself !