Does bone vibrator coupling method matter when testing neonate auditory brainstem responses?

What is it about?

We looked at three reported methods (i.e. handheld, hand-held applied force gauge and elastic band) of coupling the bone vibrator to the neonate's head.

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Why is it important?

There was no statistical difference between the elastic band and the hand-held force gauge coupling for wave V latency and amplitude. However, the hand-held coupling method produced significantly longer wave V latency and smaller amplitude versus the elastic band and hand-held force gauge. One must be consistent with what method is adopted in their clinical practice.

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