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.
Conductive hearing loss is associated with impaired transmission of sound waves through the external ear canal to the bones of the middle ear. A blockage of the external ear or dysfunction of the middle ear will produce conductive loss of hearing.