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.
Hearing loss may be greater at some frequencies than others, or all frequencies may be equally affected. Conductive hearing loss is a result of damage to the outer or middle ear, whereas sensorineural hearing loss results from damage to the cochlea or auditory nerve.