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.
This loss may occur by itself or with tinnitus (ringing in the ears). Some causes of hearing loss in adults are described below: Otosclerosis is a disease involving the middle ear. It affects the movement of the tiny bones in the middle ear. single exposure to an extremely loud sound such as an explosion can cause a sudden loss of hearing. This is called acoustic trauma.. Acoustic neuroma is an example of a tumor that causes hearing loss. Symptoms can include hearing loss or ringing in one ear accompanied by a feeling of fullness.