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.
Ear disorders. Hearing loss from exposure to loud noise: Acute hearing depends on the microscopic endings of the hearing nerve in the inner ear. Exposure to loud noise can injure these nerve endings and result in hearing loss. Hearing damage from noise exposure is considered to be the leading cause of tinnitus.. The most common form of tinnitus is subjective tinnitus, which is noise that other people cannot hear. Objective tinnitus can be heard by an examiner positioned close to the ear. This is a rare form of tinnitus, occurring in less than 1% of cases.