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Article
June1982
Lynne Marshall, PhD; Mary A. Gossman, MA
From the Department of Counseling and Special Education, University of Nebraska at Omaha (Dr Marshall); and Archbishop Bergan Mercy Hospital, Omaha (Ms Gossman).
Arch Otolaryngol. 1982;108(6):357-361. doi:10.1001/archotol.1982.00790540029008
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Abstract
• Thresholds were measured at 250, 500, 1,000, 2,000, 3,000, 4,000, 6,000, and 8,000 Hz in 20 normal adult ears and in ten ears from adults with varying amounts of ear-canal collapse. To alleviate the attenuation caused by ear-canal collapse, ear-canal inserts, postauricular pads, or circumaural cushions (Telephonics 510-020) were used with earphones (TDH-49). The circumaural cushions provided the lowest thresholds for the listeners with ear-canal collapse. Although thresholds with the ear-canal inserts were comparable to those with the circumaural cushions for many of the listeners, the ear-canal inserts were not suitable for listeners with more severe ear-canal collapse because the insert was displaced when the supra-aural cushion was placed on the pinna. Thresholds with the postauricular pinna pads were higher than with the circumaural cushions for most individuals.
(Arch Otolaryngol 1982;108:357-361)
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Marshall L, Gossman MA. Management of Ear-Canal Collapse. Arch Otolaryngol. 1982;108(6):357–361. doi:10.1001/archotol.1982.00790540029008
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