Ah, but how?

Just the very first sentence of a thoughtful, comprehensive, & provocative article entitled "Lack of generalizability of sex differences in the fMRI BOLD activity associated with language processing in adults", by S.K.Z. Ihnen, Jessica A. Church, Steven E. Petersen, & Bradley L. Schlaggar that appeared last year in the journal NeuroImage:

"Neuroscientists and men, women, and children the world over seem to agree that, despite being largely similar, the average human male brain is different from the average human female brain in important and predictable ways."