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Lise Eliot, PhD, associate professor of neuroscience at the university’s medical school, headed a team of students in a meta-analysis of structural MRI volumes that found no significant difference in hippocampal size between men and women. Meta-analysis is a statistical technique that allows researchers to combine the findings from many independent studies into a comprehensive review. The team examined findings from 76 published papers, involving more than 6,000 healthy individuals.
“Sex differences in the brain are irresistible to those looking to explain stereotypic differences between men and women,” said Dr. Eliot. “They often make a big splash, in spite of being based on small samples. But as we explore multiple datasets and are able to coalesce very large samples of males and females, we find these differences often disappear or are trivial.”
“Many people believe there is such a thing as a ‘male brain’ and a ‘female brain,'” Dr. Eliot said. “But when you look beyond the popularized studies — at collections of all the data — you often find that the differences are minimal.”
Read full, original post: Male/female brain differences? Big data says not so much