Hearing DisordersHearing LossCochleaHearingHearing AidsHearing TestsHearing Loss, SensorineuralHearing Loss, Noise-InducedHearing Loss, BilateralPersons With Hearing ImpairmentsAudiometryHearing Loss, ConductiveHearing Loss, High-FrequencyAudiometry, Pure-ToneCorrection of Hearing ImpairmentBipolar Disorder