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Sent: 13-04-2010 08:50:23
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Parental Leave: Are there Benefits?A How To Book Of Self Managed Super FundsBrain Rules 7The Easiest way to do a Client NewsletterWhy Warren Buffett won't buy a NewspaperTax on Super Fund Death BenefitsEmail Marketing Business Opportunity - Helen Bairstow
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Brain Rules 7

Click here to buy - A How To Book of SMSF's by Tony Negline
Lester Wills

This continues my series on the 12 Brain Rules produced by Dr. John Medina, a developmental molecular biologist and research consultant: I have so far outlined the first 10 rules, the last two are outlined here:

11. "Gender" - Your Sex Affects Your Brain

Any one who has read my work will not be surprised by this one. Scientists find subtle anatomical and functional differences between male and female brains. For example, women synthesize the feel-good neurotransmitter, serotonin, more slowly than men. The genders respond somewhat differently to acute stress: Women often assume a caring role, while men isolate themselves. However, no given individual necessarily conforms to group statistics. The X chromosome that males have one of and females have two of (though one it seems acts as a backup), is a cognitive "hot spot," carrying an unusually 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, compared 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.


12. "Exploration" - A Sense of Wonder Promotes Learning

As infants become toddlers, they act like little scientists, constantly examining their environment, and testing cause and effect. Their brains are busy gaining data and concepts to help them navigate their circumstances. The adult brain remains flexible and plastic. People are able to learn throughout their life spans.


That concludes my series on this fascinating research. For those who want to learn more go to

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