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posted by martyb on Thursday July 09 2015, @05:52AM   Printer-friendly
from the sensitive-subject dept.

A study in an extended family of monkeys provides important insights into how the risk of developing anxiety and depression is passed from parents to children.The study shows how an over-active brain circuit involving three brain areas inherited from generation to generation may set the stage for developing anxiety and depressive disorders.

[...] "Over-activity of these three brain regions are inherited brain alterations that are directly linked to the later life risk to develop anxiety and depression,'' says senior author Dr. Ned Kalin, chair of psychiatry at the UW School of Medicine and Public Health. "This is a big step in understanding the neural underpinnings of inherited anxiety and begins to give us more selective targets for treatment."

[...] Interestingly, the brain circuit that was genetically correlated with individual differences in early-life anxiety involved three survival-related brain regions. These regions were located in the brain stem, the most primitive part of the brain; the amygdala, the limbic brain fear center; and the prefrontal cortex, which is responsible for higher-level reasoning and is fully developed only in humans and their primate cousins.

More evidence for epigenetics. If trauma can be encoded on the genetic level and passed down to offspring, can shared trauma affect a population's DNA and in turn express itself in its group behaviors/culture?


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  • (Score: 2) by maxwell demon on Thursday July 09 2015, @09:30PM

    by maxwell demon (1608) on Thursday July 09 2015, @09:30PM (#207137) Journal

    Uh ? What is your definition of "success" ?

    For example, not being the asshole that thinks only of himself and that is avoided by everyone for that reason.

    Why is it so important to succeed ?

    Because you'll likely not be happy for long if you don't.

    --
    The Tao of math: The numbers you can count are not the real numbers.
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  • (Score: 1) by jcm on Friday July 10 2015, @08:14PM

    by jcm (4110) on Friday July 10 2015, @08:14PM (#207624)

    >For example, not being the asshole that thinks only of himself and that is avoided by everyone for that reason.

    You are too much focused on what others think about you.
    I can assure you that it doesn't really matter.
    Also, I believe that your morals are: "having friends"=good, "not having friends"=bad.
    Did you even realize how lonely you are ?

    "Thinking about himself" ?
    Why do you believe you seek success, if it's not for yourself ?
    To get some nice self-image, you can pretend that you do that for others, but the truth is that you do it for yourself.

    >Because you'll likely not be happy for long if you don't.

    If you believe happiness results from success, you are deeply wrong, because failures will hurt you a lot.
    Happiness is just a state, there is no action to trigger it.
    Don't mix "happiness" and "pleasure".
    Sure, succeeding gives a lot of pleasure, but happiness ??? I doubt so.