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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Brain Imaging Behav. 2013 Jun;7(2):163–176. doi: 10.1007/s11682-012-9210-3

Figure 1.

Figure 1

Model depicting the direct and indirect effects of gender on PET volunteerism. Note: the indirect effect from gender to volunteerism through sensation-seeking was significant (a*b = −0.372, SE = 0.118, p = 0.002).