What is the acoustic reflex?

The acoustic reflex is the contraction of the stapedius muscle elicited by the presentation of an acoustically loud sound. When either ear is presented with a loud sound, the stapedius muscles on both sides contract.

Acoustic Reflex Evaluation.Eviasis.ent

Acoustic Reflex Evaluation

Acoustic reflex evaluation results make a major contribution to differential diagnosis of hearing disorders.They can provide or confirm information about the type (conductive, sensory, neural) and degree of hearing loss.