Related Experiment Videos
Measures of auditory evoked potentials during optokinetic stimulation
J K Cullen1, R D Rampp, J G May
1Kresge Hearing Research Laboratory, Department of Otorhinolaryngology, Louisiana State University Medical Center, New Orleans 70119.
Aviation, Space, and Environmental Medicine
|September 1, 1987
Summary
Optokinetic stimulation, used to study visually induced motion sickness, altered auditory brainstem responses (ABR). Specifically, the I-III interwave interval increased during stimulation, suggesting effects on the superior olivary complex.
Area of Science:
- Neuroscience
- Auditory Neuroscience
- Vestibular Neuroscience
Background:
- Optokinetic stimulation can induce motion sickness.
- Auditory brainstem responses (ABR) reflect neural activity in the auditory pathway.
Purpose of the Study:
- To investigate how optokinetic stimulation affects auditory brainstem responses (ABR).
- To determine if susceptibility to visually induced motion sickness influences ABR changes during optokinetic stimulation.
Main Methods:
- Recorded auditory brainstem responses (ABR) using click stimuli.
- Measured Wave I latency and I-III, I-V interwave intervals.
- Compared ABRs before, during, and after optokinetic stimulation in subjects prone and not prone to motion sickness.
Main Results:
- A significant increase in the I-III interwave interval was observed exclusively during optokinetic stimulation.
- No significant differences in Wave I latency or interwave intervals were found between subject groups.
- Subject group (motion sickness proneness) did not interact with other variables.
Conclusions:
- Optokinetic stimulation appears to modulate neural activity within the superior olivary complex.
- These findings suggest a potential interaction between visual motion processing and auditory pathways, specifically in sound-source localization regions.