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martyb writes:

Don't try to ignore past failures, learn from it and move on:

Insights from past failures can help boost performance on a new task -- and a new study is the first to explain why. US researchers report that writing critically about past setbacks leads to lower levels of the "stress" hormone, cortisol, and more careful choices when faced with a new stressful task, resulting in improved performance. The study, published today in open access journal Frontiers in Behavioral Neuroscience, is the first demonstration that writing and thinking deeply about a past failure improves the body's response to stress and enhances performance on a new task. This technique may be useful in improving performance in many areas, including therapeutic settings, education and sports.

[...] But why does this counter-intuitive approach lead to benefits? To investigate this question, Brynne DiMenichi, a doctoral candidate from Rutgers University-Newark, together with other researchers from the University of Pennsylvania and Duke University, examined the effect of writing about past failures on future task performance in two groups of volunteers.

A test group wrote about their past failures while a control group wrote about a topic not related to themselves. The researchers used salivary cortisol levels to provide a physiological readout of the stress experienced by the people in both groups. These levels were comparable across the test and control groups at the start of the study.

DiMenichi and colleagues then measured the performance of the volunteers on a new stressful task and continued to monitor their cortisol levels. They found that the test group had lower cortisol levels compared to the control group when performing the new challenge.

"We didn't find that writing itself had a direct relationship on the body's stress responses," says DiMenichi. "Instead, our results suggest that, in a future stressful situation, having previously written about a past failure causes the body's stress response to look more similar to someone who isn't exposed to stress at all."

The researchers also found that volunteers who wrote about a past failure made more careful choices on a new task, and overall performed better than the control group.

"Together, these findings indicate that writing and thinking critically about a past failure can prepare an individual both physiologically and cognitively for new challenges," observes DiMenichi.

Journal Reference: Brynne C. DiMenichi, Karolina M. Lempert, Christina Bejjani, Elizabeth Tricomi. Writing About Past Failures Attenuates Cortisol Responses and Sustained Attention Deficits Following Psychosocial Stress. Frontiers in Behavioral Neuroscience, 2018; 12 DOI: 10.3389/fnbeh.2018.00045

Original Submission