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 caused by a mechanical problem along the route from noise in the environment to the inner ear. It could be a problem with one of the three small bones collectively called the ossicles (the stapes, malleus, and incus), or other parts of the ear that fail to conduct sound to the cochlea.