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Few topics have been the subject of more controversy than those encapsulated by the terms "sex" and "gender". Social-cultural and biological-evolutionary argumentation patterns frequently clash and especially the public debate appears to be stuck in a stalemate between the two competing parties.
From a psychological perspective both topics appear deeply intertwined and are not easy to be separated. This study pursues an integrative approach to better understand the roots of differences best subsumed under the term sex/gender. It will become apparent that both nature and nurture variables interact and form the complex system of human behavior and experience.
Previous research has shown that female doctoral graduates earn less than male doctoral graduates; how-ever, the determinants of this gender pay gap remain largely unexplored. Therefore, this paper investigates the determinants of the early career gender pay gap among doctoral graduates in Germany. By relying on effects on the supply and demand sides and feedback between them, I theoretically derive determinants of the gender pay gap that comprise doctoral and occupational characteristics. Using data from a representative German panel study of the 2014 doctoral graduation cohort, I analyse the gender pay gap two years after graduation. I apply linear regression on the logarithmic gross monthly earnings and Oaxaca-Blinder de-composition to examine the explanatory contribution of the determinants to the gender pay gap. The anal-yses reveal that female graduates earn 27.2 % less than male graduates two years after graduation. Male graduates being paid a premium outside academia partly drives this gender pay gap. The considered deter-minants largely explain the overall gender pay gap, the most important determinants being working hours, doctoral subject, industry, professional experience gained after graduation, company size, and academic employment. The results offer new insights on the determinants of the early career gender pay gap among doctoral graduates and thereby shed light on one dimension of gender inequalities in post-doctoral careers.
Although age is one of the most salient and fundamental aspects of human faces, its processing in the brain has not yet been studied by any neuroimaging experiment. Automatic assessment of temporal changes across faces is a prerequisite to identifying persons over their life-span, and age per se is of biological and social relevance. Using a combination of evocative face morphs controlled for global optical flow and functional magnetic resonance imaging (fMRI), we segregate two areas that process changes of facial age in both hemispheres. These areas extend beyond the previously established face-sensitive network and are centered on the posterior inferior temporal sulcus (pITS) and the posterior angular gyrus (pANG), an evolutionarily new formation of the human brain. Using probabilistic tractography and by calculating spatial cross-correlations as well as creating minimum intersection maps between activation and connectivity patterns we demonstrate a hitherto unrecognized link between structure and function in the human brain on the basis of cognitive age processing. According to our results, implicit age processing involves the inferior temporal sulci and is, at the same time, closely tied to quantity decoding by the presumed neural systems devoted to magnitudes in the human parietal lobes. The ventral portion of Wernicke’s largely forgotten perpendicular association fasciculus is shown not only to interconnect these two areas but to relate to their activations, i.e. to transmit age-relevant information. In particular, post-hoc age-rating competence is shown to be associated with high response levels in the left angular gyrus. Cortical activation patterns related to changes of facial age differ from those previously elicited by other fixed as well as changeable face aspects such as gender (used for comparison), ethnicity and identity as well as eye gaze or facial expressions. We argue that this may be due to the fact that individual changes of facial age occur ontogenetically, unlike the instant changes of gaze direction or expressive content in faces that can be “mirrored” and require constant cognitive monitoring to follow. Discussing the ample evidence for distinct representations of quantitative age as opposed to categorical gender varied over continuous androgyny levels, we suggest that particular face-sensitive regions interact with additional object-unselective quantification modules to obtain individual estimates of facial age.