Abstract
Background: In the occurrence of motion sickness, the functioning of the vestibular system in harmony has an important role. Aim/Objective: To evaluate the effectiveness of the vestibular system in individuals with motion disease with the Video Head Impulse Test (vHIT) device, which evaluates the vestibulo-ocular reflex (VOR). Materials and Methods: Thirty individuals with motion sickness (21 females, 9 males) and 30 healthy individuals (11 females, 19 males) without any vestibular complaints were examined with the vHIT device. All participants were older than 18 years. Results: It was observed that VOR gain values of the individuals with motion disease were significantly lower than those of the healthy individuals. Asymmetry values of the individuals with motion disease in all semicircular canals were higher than those of the healthy individuals; however, this difference was statistically significant only in the anterior semicircular canal. Conclusion and Significance: The observation of low gain values in all semicircular canals in individuals with motion sickness suggested that individuals with motion sickness may experience dysfunction in the sensory organelles in the vestibular system. Studies with larger case series and audiological test batteries will help us better understand motion sickness. Keywords: Motion sickness; vestibular; vHIT DOI: 10.7176/JHMN/79-05 Publication date: August 31 st 2020
Highlights
Motion sickness appears as a problem in healthy individuals during sea voyage, air/land travel, or an unfamiliar movement
In our study, we compared superior semicircular canal (SSC) functions with a Video Head Impulse Test (vHIT) device in healthy individuals and those with motion sickness complaints It was hypothesized that there may be a possible decrease in vestibular function in evaluations with vHIT, as in other vestibular test batteries
In our study, when we compared the vestibulo-ocular reflex (VOR) gains between the right ear lateral SSC values of the study group individuals 0.75 ± 0.408 and the control group individuals 0.97 ± 0.153, and the VOR gains between the left ear lateral SSC values of the individuals in the study group 0.73 ± 0.329 and in the control group 0.93 ± 0.084 are significantly different against the study group (p
Summary
Motion sickness appears as a problem in healthy individuals during sea voyage, air/land travel, or an unfamiliar movement. Motion sickness mostly occurs in individuals with a healthy vestibular system when vestibular stimuli and visual stimuli do not function in harmony or due to unexpected/unfamiliar vestibular stimuli. Aim/Objective: To evaluate the effectiveness of the vestibular system in individuals with motion disease with the Video Head Impulse Test (vHIT) device, which evaluates the vestibulo-ocular reflex (VOR). Materials and Methods: Thirty individuals with motion sickness (21 females, 9 males) and 30 healthy individuals (11 females, 19 males) without any vestibular complaints were examined with the vHIT device. Results: It was observed that VOR gain values of the individuals with motion disease were significantly lower than those of the healthy individuals.
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