In his book David Lynch Decoded, Mark Allyn Stewart proposes that the Lady in the Radiator is in fact Spencer's subconscious, a manifestation of his own urge to kill his child, who embraces him after he does so, as if to reassure him that he has done right.
No seu libro David Lynch Decoded, Mark Allyn Stewart propuxo que a Muller no Radiador sería de feito o subconsciente de Spencer, unha manifestación da súa propia necesidade de matar ó seu fillo, que abrázao despois disto como se tentase confortalo asegurándolle que fixo o correcto.