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Newborn males of sex hor mones by castrating them or administering hor - mones to newbor n females r esulted in 28 scientific american presents sex differences in the brain 77 14 x 3 17 52 43 2 (15 3) 12 15 3 dog, shadow, hamburger, cloud, flower, eyelash, pen- cil, paper, water, light, fork, road, building. Scientific american is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. 32 scientific american updated from men, summer 1999 (scientific american presents) sex differences in the brain diverging play styles of boys and girls boys preference for mock fighting over playing house may be dictated by hormonal differences. By doreen kimura men and women display patterns of behavioral and cognitive differences. Explores the neural and hormonal basis of human intellectual function that gives rise to sex differences in the brain. Discusses behavioral, neurological, endocrinological studies,. Cognitive variations between the sexes reflect differing hormonal influences on brain development. Understanding these differences and their causes can yield insights. Sex differences have been of enduring biological interest (darwin 1871), but our knowledge about their relevance to the human brain is surprisingly sparse. It has been noted by several researchers that the potential influences of sex are under-explored in neuroscientific research (beery and zucker 20, 2017 karp et al.). Scientific american is the essential guide to the most awe-inspiring advances in science and technology,. Scientific american is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. Scientific american is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

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