Vestibular Aging Detected by Correlational Vestibular Autorotation Test

What is it about?

Aging in vestibular system causes major health problems such as falling accident. The aging of vestibular system can be now detected with correlational vestibular autorotation test that is a modification of traditional head autorotation test.

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Why is it important?

1. Correlational vestibular autorotation test uses a very light motion sensor (<20 g) that includes 2-axis electro-oculography, 2-axis gyrometry, 3-axis accelerometry, and wireless data transmission. 2. Cross correlation coefficient (CCC) between EOG signals and gyrometeric signals can be used to estimate vestibular function. 3. CCC revealed significant decline of vestibular ocular reflex (VOR) function beyond age of 65 and significant decline of visual VOR function beyond 55 years old.