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Spider Phobia: Brain Scan Shows Cure in 1 Session

Imaging Study Shows How 'Exposure Therapy' Changes Brain

Two Hours With a Tarantula continued...

"The first thing we did was tell them about spiders, specifically how fragile they are and how they are more likely to try and hide from you than attack you," she says. "The next step was getting [the participants] to gradually approach the spider while maintaining their focus on it."

At the beginning of the session, the participants typically showed classic signs of extreme anxiety, such as agitation, sweating, and racing heart.

But by the end, most were able to approach the caged spider and even touch and hold it without fear.

"They understood that the spider's movements were predictable and could be controlled," Hauner says. "Fear is about not having control and not being able to predict what will happen."

Exposure Therapy Changed Lives

Six months later, many participants told Hauner the single-session therapy had changed their lives for the better.

The woman who was previously afraid to travel was planning her European dream vacation, and the college student called the therapy the most amazing thing she had ever done.

One male participant even planned to get a spider tattoo to celebrate overcoming his phobia.

Exposure therapist Paula Young, PhD, says most people with phobias spend their lives trying to avoid the object of their terror.

Young directs the Family Institute Depression Treatment Program at Northwestern, but she was not involved in the study.

"It is natural for people to avoid what they are afraid of," she says. "But if you do that you never get the opportunity to find out that the thing you are afraid of isn't really that scary. And you don't find out that the anxiety you feel will eventually resolve on its own if you don't try to escape."

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