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    Home»Health»A Newly Discovered Pearl-Size Region In The Brain Appears To Be Ground Zero For Depression
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    A Newly Discovered Pearl-Size Region In The Brain Appears To Be Ground Zero For Depression

    Brent LambertBy Brent LambertApril 2, 2015Updated:April 2, 2015No Comments0 Views
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    The mysteries of the human brain continue to reveal themselves to brain scientists — case in point being a brand new discovery of a pearl-size region which appears to be ground zero for depression. The region is so small that researchers had to devise a special MRI technique to pinpoint it. The region is known as the habenula, and to locate it researchers devised a technique in which 23 participants would be shown a series of abstract images, which was then followed by one of three things: a) a painful electric shock, b) money, or c) nothing at all.

    Test subjects would begin to detect a correlation between certain types of images that were associated with the electric shock, then in later phases of the tests the researchers would randomize the image-stimulus connection. Eventually scientists discovered that the habenula would light up depending on how certain the person was that they were about to be electrocuted.

    In an interview with the BBC, lead author Jonathan Roiser says: “Everything that moves needs a system like this — to tell us not to stroke the tiger or go down a dark alley. It is likely the habenula is a key neural hub allowing us to anticipate such events. This area of the brain has been seen to be overactive in animal experiments on depression.”

    By discovering the habenula, researchers can now begin to decode why people who suffer from depression are far more likely to mentally amplify the intensity of the punishment, and why they tend not to respond so well to rewards. (Photo courtesy of National Geographic).

    SEE ALSO: New Research Discovers That Depression Is An Allergic Reaction To Inflammation
    SEE ALSO: Anxiety, Depression & Autism 100% Linked To Gut-Brain Axis And An Abnormal Microbiome In Intestines

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    depression MRI neuroscience The Habenula
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    Brent Lambert
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    Writer, editor, and founder of FEELguide. I have written over 5,000 articles covering many topics including: travel, design, movies, music, politics, psychology, neuroscience, business, religion and spirituality, philosophy, pop culture, the universe, and so much more. I also work as an illustrator and set designer in the movie industry, and you can see all of my drawings at http://www.unifiedfeel.com.

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