Friday, 31 December 2010

Study ties brain structure size to socializing

"The woman felt no fear in threatening situations." Thius perfectly
describes my situtations. Does it mean that my Amygdala is very small?

I may be good at mathematics but certainly not good at socialising. I
can talk to many types of people because I don't have any fear of
strangeness or any situations at all but this does not translate to
success in socialising.

Women should be better at it than men because they spend all their
time socialising. One such rule is, if they don't invite you to
weddings, why should you invite them as well. My brain will be scanned
with a CAT scan. It may not be as good as MRI, but with it the doctor
should be able to know the size of my Amygdala, hopefully.

Politicians should have a large Amygdala but how about dictators?

Study ties brain structure size to socializing

(AP) – 5 hours ago

NEW YORK (AP) — Do you spend time with a lot of friends? That might
mean a particular part of your brain is larger than usual.

It's the amygdala, which lies deep inside. Brain scans of 58
volunteers in a preliminary study indicated that the bigger the
amygdala, the more friends and family the volunteers reported seeing

That makes sense because the amygdala is at the center of a brain
network that's important for socializing, says Lisa Feldman Barrett,
an author of the work published online Sunday by the journal Nature

For example, the network helps us recognize whether somebody is a
stranger or an acquaintance, and a friend or a foe, said Barrett, of
Northeastern University in Boston.

But does having a bigger amygdala lead to more friends, or does
socializing with a lot of friends create a bigger amygdala? The study
can't sort that out. But Barrett said it might be a bit of both.

She said her study now must be replicated by further research.

The work, supported by the federal government, was aimed at uncovering
basic knowledge rather than producing any immediate practical payoff,
she said. But it might someday lead to ways to help people maintain
active social lives, she said.

People have one amygdala in the left half of the brain and another in
the right half. The findings of the new study held true for each one.

Arthur Toga, a brain-mapping expert at the University of California,
Los Angeles, who didn't participate in the study, called the work well
done and the statistical results strong. The idea of linking a brain
structure to human behavior is "interesting and important," he said.

Amygdala research made headlines earlier this month when researchers
reported on a woman without a working amygdala. The woman felt no fear
in threatening situations.
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Copyright © 2010 The Associated Press. All rights reserved.
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