Abstract：
:Hearing sensitivity and the prevalence of spontaneous otoacoustic emissions show parallel ear and sex differences in humans. Here it is proposed that these lateral asymmetries and sex differences may all result from differences in the 'strength' of the efferent inhibition delivered to individual cochleas. Specifically, it is proposed that the amount of efferent inhibition is relatively less in right ears and in females than in left ears and males. While it is unclear why or how ear asymmetries or sex differences would develop in the efferent system, by assuming that they do, one can begin to explain a number of basic facts of hearing. It is even possible that the lateral asymmetry in the efferent system may be related to the well-known cortical asymmetries that are believed to underlie speech perception, speech production, and other human abilities.
journal_name
Hear Resjournal_title
Hearing researchauthors
McFadden Ddoi
10.1016/0378-5955(93)90118-ksubject
Has Abstractpub_date
1993-08-01 00:00:00pages
143-51issue
2eissn
0378-5955issn
1878-5891pii
0378-5955(93)90118-Kjournal_volume
68pub_type
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