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.
When the portions of the ear that are responsible for transmitting the sound to the nerves are affected, it is referred to as conductive hearing loss. Conditions affecting the cochlea, eighth cranial nerve, spinal cord, or brain cause sensorineural hearing loss.