Studies of audition in multiple sclerosis since the initial reportings of Hess8 in 1888 have been confined to descriptions of varying degrees of deafness found in this disease. Beck1 cited a transitory type of deafness which was confirmed by Oppenheim13 in 1911. Von Leden and Horton10 in 1948 illustrated a curve in multiple sclerosis not unlike that demonstrated in nerve deafness. The audiometric curves of 28 persons with multiple sclerosis taken at this hospital revealed, as a group, another configuration unlike those previously discussed or associated with multiple sclerosis: a curve that tended downward from high to low frequency. This configuration was a gradual but somewhat consistent depression of auditory thresholds from 2,000 cps to 125 cps. The hearing was poorer as the frequency was diminished to 125 cps. Thresholds beyond 2,000 cps demonstrated no definite pattern for the group; in fact it was only random
SIMPKINS WT. An Audiometric Profile in Multiple Sclerosis. Arch Otolaryngol. 1961;73(5):557–564. doi:10.1001/archotol.1961.00740020569011
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