Abstract
In two studies cortisol responses to psychological stress was monitored by saliva cortisol measurement at 10 min intervals and correlated with personality measures in a total of 87 healthy subjects. Personality traits were investigated with German version of the Eysenck Personality Questionnaire (EPQ-R), the Zuckerman Sensation Seeking Scale (SSS-R), and the Strelau Temperament Inventory (STI-RS). The stress of public speaking and mental arithmetic in front of an audience reliably induced 2- to 3-fold elevation of cortisol levels in both studies. However, no significant correlation was observed between hormone values and any of the personality measures studied.
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