Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT

1.8K Views

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08:57 min

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March 3rd, 2023

DOI :

10.3791/64022-v

March 3rd, 2023

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Gerda Wyssen¹^,⁶, Miranda Morrison², Athanasia Korda², Wilhelm Wimmer²^,³, Jorge Otero-Millan⁴, Matthias Ertl¹, Andreas A. Szukics¹^,⁶, Thomas Wyss², Franca Wagner⁵^,⁶, Marco D. Caversaccio²^,³, Georgios Mantokoudis²^,⁶, Fred W. Mast¹^,⁶

¹Department of Psychology, University of Bern, ²Department of Otorhinolaryngology, Head and Neck Surgery, lnselspital, University Hospital Bern and University of Bern, ³Hearing Research Laboratory, ARTORG Center for Biomedical Engineering Research, University of Bern, ⁴Herbert Wertheim School of Optometry and Vision Science, University of California, ⁵University Department of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, ⁶Translational Imaging Center (TIC), Swiss Institute for Translational and Entrepreneurial Medicine

Summary

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Magnetic Vestibular Stimulation

Self motion Perception

Cognitive Performance

Dizziness Reduction

Vestibular Cognitive Interactions

Participant Preparation

Data Acquisition

Eye Tracking Goggles

Magnetometer Device

Calibration Stimuli

Experimental Setup

Chapters in this video

0:04

Introduction

0:58

Preparation of the Experimental Setup in the Scanner Room

1:34

Preparation of the Participant for Entering the Magnetic Resonance Imaging (MRI) Scanner

2:01

Preparation of Eye-Tracker and Magnetometer Measurements

2:40

Recording the Eye-Tracking Calibration File

3:14

Measuring Spontaneous Nystagmus before Entering the Scanner

3:39

Positioning the Participant for the Experiment

4:33

Moving the Participant into the Scanner

5:48

Moving the Participant Out of the Scanner

6:18

Assessment of the Orientation of the Vestibular Organs

6:57

Results: Assessing Reflexive Eye Movements, Self-Motion Perception, Cognitive Tasks, and Anatomical Orientation of the Vestibular Organs

8:09

Conclusion

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