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Poor sleep may make it harder to see positive side

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  20 April 2017 12:00 AM GMT

New York, April 19: Researchers have found that poor sleep may affect a specific region of the brain known to be involved in regulating negative emotiol responses, especially in those suffering from depression and anxiety, thereby further restricting their ability to see things in a positive light.

This area of the brain, the dorsal anterior cingulate cortex, may have to work harder to modify negative emotiol responses in people with poor sleep who have depression or anxiety, said the study published in the jourl Depression and Anxiety. “Our research indicates sleep might play an important role in the ability to regulate negative emotions in people who suffer from anxiety or depression,” said lead researcher Heide Klumpp, Assistant Professor at University of Illinois at Chicago College of Medicine in the US. The research team used functiol MRI to measure the activity in different regions of the brain as participants were challenged with an emotion-regulation task.

The 78 participants in the study were between ages 18 and 65 and had been diagnosed with an anxiety disorder, a major depressive disorder, or both.

Participants were shown disturbing images of violence — from war or accidents — and were asked to simply look at the images and not to try to control their reaction or to “reappraise” what they saw in a more positive light.

An example of reappraisal would be to see an image of a woman with a badly bruised face and imagine her as an actress in makeup for a role, rather than as a survivor of violence, Klumpp said.

“Reappraisal is something that requires significant mental energy,” she said.

“In people with depression or anxiety, reappraisal can be even more difficult, because these disorders are characterised by chronic negativity or negative rumition, which makes seeing the good in things difficult,” Klumpp added.

The researchers found this to be true in those with lower levels of sleep efficiency. (IANS)

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