How many perinatal, natala and postnatal factors contribute i damage of brain by this children, neither the genenetic? (preterm delivery, anestesia, induction, mechanical damege of head and neck, hypoxia, hypoglicemia, infections, minor tactile and voice communication with child, heraing problems, ect. Many of this etiological factors are preventable and curable! Only the genetic cause is not possible to change!