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Wideband Ipsilateral Measurements Of Middle-Ear Muscle Reflex Thresholds In Children And Adults, Kim Schairer, John C. Ellison, Denis F. Fitzpatrick, Douglas H. Keefe
Wideband Ipsilateral Measurements Of Middle-Ear Muscle Reflex Thresholds In Children And Adults, Kim Schairer, John C. Ellison, Denis F. Fitzpatrick, Douglas H. Keefe
Kim S. Schairer
The goals of the current study were to: 1) evaluate the feasibility of a new wideband approach to measuring middle-ear muscle reflex (MEMR) status, and 2) to test the hypothesis that ipsilateral thresholds elicited with 1 or 2 kHz tones and broadband noise activators on a wideband acoustic transfer function (WATF) system are lower than thresholds elicited on a clinical system. Clinical MEMR tests have limitations, including the need for high activator levels to elicit a shift in a narrowband probe (e.g., a 0.226 or 1 kHz tone). Wideband MEMR tests using WATFs may elicit the reflex at lower levels …