Abstract
Epilepsy is considered to be related to deficits in suppression function and is also known to be associated with specific character traits. In this study, we used paired-pulse suppression of change-related cortical responses and the Bear-Fedio personality inventory (BFI) in 34 healthy adults. With a continuous sound duration of 2,000 ms, change-related responses were elicited twice at 1,100 and 1,700 ms. The P50/N100 amplitude was used to calculate the degree of paired-pulse suppression. Results showed that the suppression rate was negatively correlated with the total BFI score (r = − 0.50, p = 0.004) as well as 9 of the 18 subscales (− 0.5 < r ≤ − 0.3). A significant negative correlation was also found between the amplitude of the response to the first stimulus and the total BFI score (r = − 0.64, p = 8.8*10− 5). These findings suggest that inhibitory function is linked to epilepsy personality traits as indexed by the BFI.
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This study was supported by grants-in-aid for Scientific Research from Japan Society for the Promotion of Science (JP18K07619).
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Takeuchi, N., Fujita, K., Taniguchi, T. et al. Auditory sensory suppression and personality traits using Bear-Fedio inventory. Curr Psychol 43, 9598–9601 (2024). https://doi.org/10.1007/s12144-023-05082-2
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DOI: https://doi.org/10.1007/s12144-023-05082-2