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.
Meniere's disease is another cause of sensorineural hearing loss. Patients report unilateral fluctuating hearing loss with aural fullness, tinnitus, and episodic vertigo. Initially, the hearing loss is in the low frequencies, but higher frequencies are affected as the disease progresses.