ENT Problems (Home) > Ear > Non Organic Hearing Loss Test
Tests for Non Organic Hearing Loss
Stenger Test
Principle
If sounds of identical frequency but different intensity are presented simultaneously to each ear, only louder sound will be perceived.
The test can be performed with tuning forks or a n audiometer.
Method
- The examiner stands behind the patient.
- A tuning fork is struck and is held 20 cm from the good ear - the patient hears the sound.
- The fork is then removed and placed 5 cm from the bad ear - patient 'denies' hearing sound.
- Another fork is the held 15 cm from the good ear without the patient noticing.
- If there is genuine hearing loss patient will the fork in the good ear.
- But if there is non-organic loss the patient will be unable to hear the fork in the good ear as the fork is closer in his 'bad' ear.
Chimani-Moos test
- Modification of Weber: When the fork is placed on the vertex, the patient indicates that he is hearing the fork in the good ear and not in the deaf ear.
- The meatus of the good ear is then blocked .
- A genuine deaf patient will still lateralize the sound to the good ear, the malingerer will usually deny hearing any sound at all.
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