Element 2- Abstract
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This study tested for correlations between personality traits of introversion and extraversion, and two key event-related brain potentials (ERPs) - the feedback-related negativity (FRN) and P3 component - which are significant in motivation theories. 21 participants completed a word search task while hooked up to an EEG, and were exposed to an alarm after 2 minutes that acted as the FRN. A one-way ANOVA revealed significant differences between introvert and extravert groups. Bivariate correlations showed positive and negative correlations between the personality traits and activity levels of the FRN and P3 in different brain regions, suggesting personality traits may influence neurobiological motivation mechanisms.
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Element 2- Abstract
- 1. 4 Testing for correlation between personality traits and the components of the ‘wanting/liking’ model Abstract The present study draws a lot of its rationale and foundation from previous studies conducted in the field of Motivation and Personality. The current study applies the theories and findings from studies using the ‘wanting/liking’ model to test a possible correlation between personality traits (introverts and extraverts and two key event-related potentials (ERPs) that are profoundly significant in the motivation theories; the feedback-related negativity and the P3. 21 participants completed a wordsearch whilst attached to an electroencephalography (EEG) equipment, they were given £5 at the start of the experiment and 10 minutes to complete the task. After the first 2 minutes of the experiment, participants were exposed to an alarm which acted as the FRN which was measured and analysed alongside the P3 component. A one-way ANOVA revealed significant difference between the introvert and extravert groups. Bivariate correlations illustrated positive and negative correlations between the two levels of IV (introvert & extravert) and the activity (FRN & P3) from the frontal, central and parietal electrodes. This may suggest that possible influence occurs between the neurobiological mechanisms of motivation (wanting/liking) and the neurobiological mechanisms of personality (introvert/extravert). More research into the causality of the interactions between these two systems may reveal indepth understanding of individual differences.