Abstract:Social behavior is shaped by neural and endocrine mechanisms. In this framework, the social brain hypothesis assumes that bigger brains are selected to cope with complex social environments. On the other hand, hormones can act through organizational and activational effects, modulating brain function during ontogeny and in a fast-changing environment. Here, we test correlations among social-modulating hormones – cortisol, testosterone (T), and 11-ketotestosterone (11KT) – and the volume of specific brain areas… Show more
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