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.
Bilateral Hearing Loss Causes. Hearing loss causes are numerous and varied. Traditionally, bilateral hearing loss is classified according to its root causes. Sensorineural hearing loss, for example, is a specific condition in which there is damage to the vestibulocochlear nerve.