Gaspar Noe is known for exploring what lies under the surface through the darker side of human experience and psychology. He has been called a genius and a provocateur and the intensity of his films leaves his audiences with mixed emotions – many are enthusiastic or surprised, others anxious or confused. With sincere openness, the accomplished Buenos Aires-born auteur speaks to Sophie Caby about the relationship between the body and mind. Portrait by P.J. van Sandwijk.