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This writing task makes anxious brains more efficient

Just writing about your feelings can help you tackle something stressful more efficiently, according to a study that measured participants’ brain activity.

The research provides the first neural evidence for the benefits of expressive writing, says lead author Hans Schroder, a doctoral student in psychology at Michigan State University and a clinical intern at Harvard Medical School’s McLean Hospital.

“Worrying takes up cognitive resources; it’s kind of like people who struggle with worry are constantly multitasking—they are doing one task and trying to monitor and suppress their worries at the same time,” Schroder says.

“This technique takes the edge off their brains so they can perform the task with a ‘cooler head.'”

“Our findings show that if you get these worries out of your head through expressive writing, those cognitive resources are freed up to work toward the task you’re completing and you become more efficient.”

For the study, college students identified as chronically anxious through a validated screening measure completed a computer-based “flanker task” that measured their response accuracy and reaction times. Before the task, about half of the participants wrote about their deepest thoughts and feelings about the upcoming task for eight minutes; the other half, in the control condition, wrote about what they did the day before.

While the two groups performed at about the same level for speed and accuracy, the expressive-writing group performed the flanker task more efficiently, meaning they used fewer brain resources, measured with electroencephalography, or EEG, in the process.

Coauthor Jason Moser, associate professor of psychology at Michigan State, uses a car analogy to describe the effect. “Here, worried college students who wrote about their worries were able to offload these worries and run more like a brand new Prius,” he says, “whereas the worried students who didn’t offload their worries ran more like a ’74 Impala—guzzling more brain gas to achieve the same outcomes on the task.”

How to talk to yourself to control emotions

While much previous research has shown that expressive writing can help individuals process past traumas or stressful events, the current study suggests the same technique can help people—especially worriers—prepare for stressful tasks in the future.

“Expressive writing makes the mind work less hard on upcoming stressful tasks, which is what worriers often get “burned out” over, their worried minds working harder and hotter,” says Moser, director of the Clinical Psychophysiology Lab.

“This technique takes the edge off their brains so they can perform the task with a ‘cooler head.'”

The National Science Foundation and National Institutes of Health funded the work, which appears in the journal Psychophysiology. Tim Moran, a Michigan State graduate and research scientist at Emory University, is coauthor.

Source: Michigan State University

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