A team of researchers led by James A. Coan, a University of Virginia
neuroscientist has found that women under threat who hold their
husbands' hands show signs of immediate relief, which can clearly be seen
on their brain scans.
Coan, an assistant professor in the U.Va. Neuroscience Graduate Program
and the Department of Psychology, and his team conducted a study involving
several couples who rated themselves as highly satisfied with their
marriages.
The researchers designed a functional MRI (magnetic resonance imaging)
study in which 16 married women were subjected to the threat of a very
mild electric shock while they by
turns held their husband's hand, the hand of a stranger
(male) or no hand at all.
They found that the MRI was able to show how these women's brains
responded to this handholding while in a threatening situation.
The researchers noted a large decrease in the brain response to threat
as a function of spouse handholding, and a limited decrease in this
response as a function of stranger handholding.
Moreover, spouse handholding effects varied as a function of marital
quality, with women in the very highest quality marriages benefiting from
a very powerful decrease in threat-related brain activity.
"This is the first study of the neurological reactions to human touch
in a threatening situation." said Dr. Coan.
The study is published in the December 2006 issue of the journal
Psychological Science.
