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Updated: Aug 14, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
Published on: January 23, 2017
School screening for middle ear effusions
Insights
Early detection of middle ear effusions in children is crucial. Impedance measurement shows promise for identifying middle ear abnormalities and effusions through monitoring middle ear muscle reflexes.
Area of Science:
- Otolaryngology
- Pediatric Medicine
- Audiology
Background:
- Middle ear effusions (MEE) require early detection for medical, educational, and social reasons.
- Current detection methods for MEE are often inadequate.
- Impedance measurement is proposed as a more effective tool for detecting middle ear dysfunction.
Purpose of the Study:
- To evaluate the effectiveness of impedance measurement in the early detection of middle ear effusions.
- To monitor middle ear function in children over an extended period using an impedance meter.
Main Methods:
- Eighty children were monitored for middle ear function using an impedance meter over six to seven years.
- Observation included periodic assessments of middle ear muscle reflexes.
Main Results:
- Approximately 50% of children showed no middle ear function variation.
- About 33% experienced isolated MEE episodes with spontaneous recovery.
- 17% had recurrent MEE or persistent middle ear malfunction.
Conclusions:
- Impedance measurement, particularly the observation of middle ear muscle reflexes, shows potential for early MEE detection.
- This method could improve the timely identification and management of middle ear issues in children.
Abstract:
Early detection of middle ear effusions is highly desirable not only from a medical standpoint, but also educationally, psychologically and socially. Present methods do not appear to be adequate and the proposal has been made that impedance measurement may be of greater effectiveness in detecting abnormalities of middle ear function. Eighty children have been studied over a period of six to seven years during which time the middle ear function has been monitored by means of an impedance meter. Approximately one-half of the children have not indicated any variation in middle ear function over the period of observation. About one-third of the children have had isolated episodes of effusion from which they have recovered spontaneously and without adverse effects. The remaining one-sixth have had repeated episodes of effusion or persistent middle ear malfunction for substantial periods of time. Observation of the middle ear muscle reflexes at suitably chosen time intervals appears to have promise as a method of early detection of effusion in the middle ear.
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