So his vision is normal because the visual areas are normal, his emotions are normal -- he'll laugh, he'll cry, so on and so forth -- but the wire from vision to emotions is cut and therefore he has this delusion that his mother is an impostor.
Dakle, vid mu je uredan jer su vidna područja netaknuta, emocije su mu normalne -- smijat će se, plakati... -- ali je spona vid-emocije prekinuta i to dovodi do sumanutosti da je majka uljez.