This study measured frontal blood flow, reaction time, and salivary amylase during the personality self-rating, and examined how these stress responses are related to personality traits. This experiment was set five personality self-rating conditions, and measured frontal blood flow, reaction time. The salivary amylase values was measured as the stress responses before and after five rating conditions. As a result of non-hierarchical cluster analysis with the value of salivary amylase by k-means, we obtained three clusters. We performed ANOVA in clusters and questionnaire, a significant difference was found in Extroversion and Agreeableness and BAS-Drive. This results was revealed that Extroversion and Agreeableness affected frontal blood flow and salivary amylase during personality self-rating. And, this study was suggested that performance was not good when you were conscious of yourself too much, and that you could get good performance results by focusing on tasks, when doing some kind of performance.

The change tendency of Personality in Stress Response during Personality rating.