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.
Noise- and age-related hearing loss usually affect the part of the inner ear that converts sound waves into nerve signals. Called sensorineural hearing loss, the problem typically causes a loss of hearing at higher frequencies, including sounds associated with human speech. Conductive hearing loss, by contrast, is more common in people under 40 and occurs when the outer ear or middle ear is blocked.