Science News from WN Network
Sexual differentiation in the brain
In endocrinology, a distinction is made between organizational vs. activational effects of hormones on the neonatal brain. The organizational effects are those which are believed to produce permanent structural differences in the brain of the individual. "The Organizing Action of Prenatally Administered Testosterone Propionate on the Tissues Mediating Mating Behavior in the Female Guinea Pig," published in 1959, was a very important trailblazing moment in the history of endocrinology. Scientists...
Full Story: The Examiner

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