Theoretically, an individual born without a middle ear would be able to hear by bone conduction with a hearing aid.

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If an individual is born without a middle ear, they would still have functioning inner and outer ears. With the use of a bone conduction hearing aid, sound vibrations can bypass the middle ear and be transmitted directly to the inner ear via the bones in the skull. Therefore, the individual would be able to hear through bone conduction. However, the quality and range of sound may be limited compared to someone with a normal middle ear.

Theoretically, an Individual Born Without a Middle Ear Would Be