Interhemispheric Asymmetries in Visual Evoked Potential Amplitude
NAVAL SUBMARINE MEDICAL RESEARCH LAB GROTON CT
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Interhemispheric differences in visual evoked potential amplitude microvolts root mean square were measured in five right-handed male subjects. Five different stimuli were used, and each subject participated in 3 similar test sessions. The stimuli included one gray, two vertical grids, and two random-dot textures. The results showed that interhemispheric asymmetries in amplitude are generally consistent for a given subject, and most subjects show greater amplitude in the right side of the brain. There was no differences among four of the stimuli in the degree of asymmetry elicited one stimulus showed no asymmetry. Some of these stimuli will be used in a future study to determine if there is a relationship between the degree of hemispheric asymmetry and various performance measures in sonar operators.
- Anatomy and Physiology