oVEMP: An Introduction

Intended learning outcomes:

1) To understand the principles and origins of the oVEMP test
2) To understand how to perform an oVEMP measurement
3) To explore the clinical applications of the oVEMP test

Timestamps:
0:00 Introduction and learning objectives
1:18 Vestibular anatomy
3:04 Utricular and saccular activation
5:16 Vestibular evoked potentials
7:00 Effects of head tilt
8:07 Time-locked myogenic activity
8:43 VOR pathway
9:52 Activation of hair cells
11:29 Effect of air conduction and bone conduction stimuli
12:24 Example of oVEMP waveform
15:15 Gaze direction
18:01 Electrode montage
23:07 Belly-tendon electrode montage
25:58 Stimulus considerations
28:06 CW-VEMP-chirp
29:50 Contraindications
31:50 Response reliability and effects of age
33:15 Eliciting oVEMPs with bone conduction transducers
38:40 Possible analysis steps
39:39 Amplitude, latency and asymmetry
40:34 Threshold
41:12 Frequency tuning
41:57 Clinical applications of oVEMP
51:03 Ending comments

To learn more about oVEMP testing, head to our guide at: https://www.interacoustics.com/abr-eq...

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