"Study Discovers Internal Trigger for Panic Attack in the Previously Fearless"

Further understanding of panic and anxiety studying a woman who has no panic or fear!

Study Discovers Internal Trigger for Panic Attack in the Previously Fearless
By JAMES GORMAN
Published: February 3, 2013
The New York Times

“In the past few years, scientists have learned a lot about fear from a woman who could not experience it. A rare illness had damaged a part of her brain known as the amygdala and left her eerily unafraid.
Both in experiments and in life, the woman, known as SM, showed no fear of scary movies, snakes, spiders or very real domestic assaults, death threats, and robberies at knife- and gunpoint.

Although she lived in an area “replete with crime, drugs and danger,” according to an earlier study, because she lacked a functioning amygdala, an evolutionarily ancient part of the brain long known to process fear, nothing scared her.

But recently SM had a panic attack. And the simple fact that she was able to feel afraid without a working amygdala, experts say, illuminates some of the brain’s most fundamental processes and may have practical value in the study of panic attacks.” Read More...