[Enlarged and prolongated cochlear microphonics and its clinical significance].

Bilateral cochlear microphonics (CM) were evoked by tone burst simultaneously. A speaker was put in head-foot axis 2m from the mid-point of a given line connecting the bilateral external meatus. Seven normal persons and 106 cases of unilateral sensory hearing loss and recruitment were examined. When recruitment was present, CM at corresponding frequencies… CONTINUE READING