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.
A conductive hearing loss occurs when the ability to conduct sound from the external and middle ear into the inner ear is reduced or lost. A conductive hearing loss is a hearing loss where the ears ablility to conduct sound into the inner ear is blocked or reduced.