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Loneliness can be as harmful as smoking - LahoreEstate - 03-01-2009 09:11 AM
Sunday, March 01, 2009
LAHORE: Don’t take social isolation or loneliness lightly, as brain scans have shown it can be as harmful as smoking.
The research, pioneered by the University of Chicago (U-C), is the first to combine fMRI scans with such data to study links between perceived loneliness and brain activity.
Researchers found that the ventral striatum - a region of the brain associated with rewards - is much more activated in non-lonely people than in the lonely when they view pictures of people in pleasant settings.
Ventral striatum, which is critical to learning, is a key portion of the brain and is activated by primary rewards such as food and secondary rewards such as money. Social rewards and feelings of love also may activate the region.
Conversely, the temporoparietal junction - a region associated with taking the perspective of another person - is much less activated among lonely than in the non-lonely when viewing pictures of people in unpleasant settings.
“Given their feelings of social isolation, lonely individuals may be left to find relative comfort in nonsocial rewards,” said John Cacioppo, psychology professor at the U-C, at a briefing of psychologists. He spoke at the briefing along with Jean Decety, psychology and psychiatry professor at the U-C. Decety is a leading researcher to use fMRI scans to explore empathy.
http://www.thenews.com.pk/daily_detail.asp?id=165156