Male and female brains are different
The X chromosome that males have one of and females have two of -- though one acts as a backup -- is a cognitive "hot spot," carrying an unsually large percentage of genes involved in brain manufacture.
Women are genetically more complex, because the active X chromosomes in their cells are a mix of Mom's and Dad's. Men's X chromosomes all come from Mom, and their Y chromosome carries less than 100 genes, compares with about 1,500 for the X chromosome.
Men's and women's brains are different structurally and biochemically -- men have a bigger amygdala and produce serotonin faster, for example -- but we don't know if those differences have significance.
Men and women respond differently to acute stress: Women activate the left hemisphere's amygdala and remember the emotional details. Men use the right amygdala and get the gist.
Saduran dari: Medina, John. 2008. Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School (Rule #11).
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