Abstract
An increasing number of studies have focused on the predictors of work-related risk propensity (WRP) for its effect on some important individual outcomes (e.g., creativity) in organizational settings. Although prior studies have confirmed strong associations between the Big Five traits (BF) and WRP, the neuro-anatomical basis of WRP and the effects of BF on WRP-linking brain structure variations remain unclear. Using voxel-based morphometry (VBM) analysis based on structural magnetic resonance imaging (sMRI), we explored the association between WRP and the cortical gray matter volume (GMV) variations in 178 full-time employed participants. Results of whole-brain regression revealed that higher WRP related to greater GMV in the left posterior cingulate cortex (LPCC). Furthermore, mediation analyses showed that LPCC GMV was a mediator in the linkage of BF (only extraversion) with WRP, even after adjusting for control variables. Overall, this study provides novel insights for the neuro-anatomical underpinnings of WRP and reveals an underlying indirect effect of brain gray matter structure on the link between BF and WRP.
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