Brain Function May Contribute To Warm Personalities

May 20, 2009

UK (ChattahBox) – A new study has found a link between brain function and a social personality, according to a report posted on EurekaAlert.

The study, which was performed on 41 men, asked questions about their social behavior, such as whether or not they were eager to please peers, and then studied brain scans.

In each of those who preferred more social interaction, and who were more inclined to enjoy people in general, they found significantly more gray matter within the orbitofrontal cortex. It seems to suggest that the development of the region will help to genetically predispose some to being more warm, open people, while others without it will be much more inclined to be loners.

“It’s interesting that the degree to which we find social interaction rewarding relates to the structure of our brains in regions that are important for very simple biological drives such as food, sweet liquids and sex,” Dr. Graham Murray, a researcher from Cambridge University, explained of the results.

“Perhaps this gives us a clue to how complex features like sentimentality and affection evolved from structures that in lower animals originally were only important for basic biological survival processes.”

The study will be published in the European Journal of Neuroscience.


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