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Many emotional and behavioral dysfunctions, such as bad decision-making (http://dx.doi.org/10.1093/brain/awg177), appear to be symptoms of impaired brain functioning. Conversely, stimulating brain function may alleviate these dysfunctions. For example, electric stimulation of the vagus nerve decreases depression (source).

How can brain function be improved through neuroelectrical, neurochemical and/or neurosurgical stimulation?

I am interested in general answers as well as in answers specifically addressing

  • the ventromedial prefrontal cortex,
  • the amygdala, and
  • the insular cortex,

which, according to the Somatic Marker Hypothesis, might make up the mechanism behind emotional intelligence.

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put on hold as too broad by Seanny123, Steven Jeuris Dec 17 at 15:11

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

    
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This is an interesting and well-supported question, but the scope is really broad--it would be entirely reasonable to write a dissertation on any number of components of this one question. –  Krysta Dec 9 at 14:06
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The question seems to be too broad to be answered in a useful way –  Chris Stronks Dec 10 at 1:43

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