SEXUAL DIMORPHISM OF THE HUMAN BRAIN - A REVIEW

Some findings of neurobiological brain research regarding structural s ex differences of the human brain are reviewed and discussed. Besides the well known difference in brain size, especially some cell groups o f the hypothalamus display differences between the sexes. The results obtained for other regions, such as the corpus callosum and other comm issural systems, are inconclusive. Further dimorphisms involve the tem poral robes and sex-specific brain asymmetry. These differences seem t o be subtle and are superimposed by high interindividual variability. Finally, little morphological support is found for behavioural differe nces between the sexes.