Hydrocephalus:
This is a case of mental disability associated with inflation and the rise of the front head, the result of increased cerebrospinal fluid abnormally in the brain ventricles of the brain become damaged as a result of continuous pressure.
Small skull _microcephaly:
A condition of mental disability and the Valley. Characterized by small size of the head and the small size and lack of brain growth.And no more than the level of intelligence in this case fordementia and gawk "between mental impairment Mediterranean and severe" and the reason for this situation the fetus in the first months of pregnancy, or infection during pregnancy, or synostosisskull early so as not to allow the growth of brain size growthnaturally.
Large brain: - Macrocephaly
These cases of mental disability characterized by sizeableincrease in the vicinity of the skull and brain size. And increase the size of the skull associated with an increase in the size of the brain, especially the white matter cells and macrophages, andranges from the level of mental impairment in this case betweengawk and dementia.
Cases Alrisesa factor in the blood:
Cases of urinary Alvenilkithona
Dementia family dark
التسميات
Mental weakness