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Erasing Fear by Replacing Threat with Neutral Cue

Erasing Fear by Replacing Threat with Neutral Cue

Exposure therapy is a form of cognitive behavioral therapy commonly used to treat ailments such as posttraumatic stress disorder, obsessive-compulsive disorder, and phobias.

The goal of such therapy is to extinguish fear, which is accomplished by presenting cues that are known to predict a negative experience in the absence of that experience.

Over time, learning that the “danger cue” is no longer dangerous produces extinction of the fearful response.

Although the technique is effective in the short run, fears and the associated defensive behaviors resulting from that fear often return after they have been extinguished, undermining the long-term effectiveness of treatment.

This observation was the foundation of new research by investigators at New York University. They hypothesized that, as opposed to traditional extinction where the threat is omitted during therapeutic training, extinction could be successfully enhanced by instead replacing the potential threat with a neutral one.

Study results confirmed their beliefs and the research is now published in the journal Biological Psychiatry.

For the investigation, Drs. Elizabeth Phelps, Joseph Dunsmoor and colleagues designed and conducted similar experiments in both rats and healthy humans. The subjects were initially “trained” to associate an aversive stimulus (the danger cue) with an electrical shock.

Later, half the subjects then underwent standard extinction, where the danger cue was presented but the shock was eliminated. For the other half of the subjects, the electric shock was replaced with a new, neutral outcome when the same cue was presented.

In both rats and humans, the modified fear extinction procedure was more effective in preventing the return of fear than simply omitting the electric shock.

The authors also found that the extent to which people were intolerant with the uncertainty of being shocked was related to their risk that the fear of the danger cue would return. In other words, their sensitivity to uncertain threat influenced their recovery.

These data provide cross-species evidence that extinction can be successfully augmented by replacing, rather than omitting, an expected threat.

“The paper by Dunsmoor and colleagues highlights that we are still learning important information about how to maintain the benefits of cognitive behavioral therapy,” said Dr. John Krystal, Editor of Biological Psychiatry.

“It shows that it is not only important to break the links between environmental cues and fear, but also to substitute new learning about safety that prevents fears from encroaching on hard-won therapeutic gains.”

Source: New York University/EurekAlert

Erasing Fear by Replacing Threat with Neutral Cue

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2018). Erasing Fear by Replacing Threat with Neutral Cue. Psych Central. Retrieved on September 27, 2020, from
Scientifically Reviewed
Last updated: 8 Aug 2018 (Originally: 21 Jul 2015)
Last reviewed: By a member of our scientific advisory board on 8 Aug 2018
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