Authoritarian regimes are also sometimes subcategorized by whether they are personalistic or populist. Personalistic authoritarian regimes are characterized by arbitrary rule and authority exercised mainly through patronage networks and coercion rather than through institutitions and formal rules..
Common causes of conductive hearing loss include: 1  Cerumen (earwax) or foreign body in the external auditory canal. 2  Otitis externa, infection or irritation of the outer ear.  Exostoses, abnormal growth of bone within the ear canal.
Conductive hearing loss. 1  Nature - benign cysts, benign and malignant tumours (fibromas, papillomas, adenomas, sarcomas, carcinomas and melanomas) and neurofibromatosis type 1 can all cause tumours within the ear canal. Obstruction of the ear canal may cause conductive hearing loss.