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Researchers Pinpoint Brain’s Happiness Region
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Researchers Pinpoint Brain’s Happiness Region

Happiness is the meaning and the purpose of life, the whole aim and end of human existence, the ancient Greek philosopher Aristotle once said.
But how does one reach this goal? According to a new study by researchers from Japan, a person’s happiness may depend on the size of a specific brain region.
Study leader Dr. Wataru Sato, of Kyoto University in Japan, and colleagues published their findings in the journal Scientific Reports.
The definition of happiness has been debated for centuries. In recent years, psychologists have suggested that happiness is a combination of life satisfaction and the experience of more positive than negative emotions - collectively deemed “subjective well-being.”
But according to Sato and his colleagues, the neurological mechanisms behind a person’s happiness were unclear, reports medicalnewstoday.com.
“To date, no structural magnetic resonance imaging (MRI) investigation of the construct has been conducted,” they note.
To address this research gap, the team used MRI to scan the brains of 51 study participants.
After the scans, subjects were asked to complete three short questionnaires that asked them how satisfied they are with their lives, how happy they are and how intensely they feel positive and negative emotions.

 Subjective Wellbeing
Researchers found that individuals who had higher happiness scores had larger gray matter volume in the precuneus of the brain - a region in the medial parietal lobe that plays a role in self-reflection and certain aspects of consciousness - than their unhappy counterparts.
What is more, researchers found that one’s happiness may be driven by a combination of greater life satisfaction and intensity of positive emotion - supporting the theory of subjective wellbeing.
“These results indicate that the widely accepted psychological model postulating emotional and cognitive components of subjective happiness may be applicable at the level of neural structure,” they add.
The findings, they say, indicate that individuals may be able to boost their happiness through practices that target the precuneus, such as meditation.
Previous structural neuroimaging studies have shown that training in psychological activities, such as meditation, changed the structure of the precuneus gray matter.
“Together with these findings, our results suggest that psychological training that effectively increases gray matter volume in the precuneus may enhance subjective happiness.”
Sato adds that, while further research is required, the current findings may be useful for developing psychological programs that boost a person’s happiness.

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