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..
Fluid accumulation is the most common cause of conductive hearing loss in the middle ear, especially in children. Major causes are ear infections or conditions that block the eustachian tube, such as allergies or tumors.
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.