Risk factors for catatonic schizophrenia. The risk factors for catatonic schizophrenia are the same as those for other schizophrenia subtypes, they include: Genetics - individuals with a family history of schizophrenia have a higher risk of developing it themselves. Viral infection - some recent studies suggest that viral infections may predispose the child to development of schizophrenia.
Dunham [dun-ham] as a boys' name is of Gaelic origin, and the meaning of Dunham is brown man.
For other uses of Sidney or Sydney, see Sidney (disambiguation) and Sydney (disambiguation). Sidney or Sydney is an English surname. It is probably derived from an Anglo-Saxon locational name, [Ã¦t Ã¾Ç£re] sÄ«dan Ä«ege = [at the] wide island/watermeadow (in the dative case). There is also a folk etymological derivation from the French place name Saint-Denis.