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E L Derlacki

Publications and source records attributed to E L Derlacki.

32 records · Page 2Linked to original sources
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Effect of conductive hearing loss and middle ear surgery on binaural hearing.

This study investigated whether conductive hearing loss reduces normal binaural hearing advantages and whether binaural hearing advantages are normal in patients who have had hearing thresholds improved by middle ear surgery. Binaural hearing was assessed at a test frequency of 500 Hz using the masking level difference and interaural time discrimination thresholds. Results indicated that binaural hearing is often poor in conductive lesion patients and that the reduction in binaural hearing is not always consistent with a simple attenuation of the acoustic signal. Poor binaural hearing sometimes occurs even when middle ear surgery has resulted in bilaterally normal hearing thresholds. Our preliminary results are consistent with the interpretation that auditory deprivation due to conductive hearing loss may result in poor binaural auditory processing.

Adolescent↗
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To whom it may concern.

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Academies and Institutes↗
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A jugular foramen schwannoma simulating an acoustic tumor with recovery of retrolabyrinthine cochleovestibular function.

Our literature review has tabulated 33 jugular foramen neuromas that appeared either as a neurologic "syndrome of the jugular foramen" like a glomas tumor, or similar to an acoustic tumor. The few posterior fossa tumors involving the eighth nerve or encroaching upon it that have been removed and resulted in cochleovestibular preservation or recovery have been reviewed. A rare case of jugular foramen schwannoma with cochleovestibular preservation after total removal has been extensively studied with preoperative and postoperative cochleovestibular tests.

Adult↗