Depression Could Be Linked to Your Mother, Says Study

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Creatas Images/Thinkstock(NEW YORK) — Audrey Gruss knows the devastation of depression — her mother suffered from the enigmatic mood disorder most of her adult life, misdiagnosed, over-medicated and even treated with electroconvulsive “shock” therapy during the 1960 and 70s.

When her mother died in 2005, Gruss vowed to find out why doctors couldn’t “do more to make her whole.”

In 2006, Gruss founded the Hope for Depression Research Fund, named for her mother, and dedicated to using the psychology of emotion and neuroscience to better diagnose — and perhaps one day cure — the disorder.  And now, research funded by Hope has for the first time been able to use brain imaging to link the lack of maternal attachment to depression, a disorder that strikes more than 1 in 20 Americans over the age of 12.

The study, by researchers at Beth Israel Medical Center, Columbia University and Albert Einstein Medical Center in New York City, “meshed perfectly” with Gruss’s goals.

Showing women a photo of their mother, and imaging their brains, consistently showed differences between those who were depressed and those who were not.

There is no clear diagnosis for depression, and many slip under the medical radar with subtle symptoms of chronic fatigue.  If doctors can find a brain imaging tool to reliably identify the disorder, many like Gruss’ mother might be helped.

“Freud comes in to this,” said co-author and psychiatrist Dr. Igor Galynker of Beth Israel Medical Center.  “He blamed everything on the mother and it turns out the mother is absolutely the strongest gauge of depression you have.”

Researchers studied 28 young women — 14 who suffered from mild to moderate depression and 14 who did not.  The women’s brains were scanned in an MRI machine as they were each shown four photos: a friend, a younger female stranger, an older woman they did not know and their mother.

The photos of two strangers and the friend were controls to ensure that the observed brain activity pertained only to the mother and was not just associated with familiarity or friendship.

“We asked them to think two things: how related they are to the picture and how close they feel and how much they like the person in the picture,” Galynker. “We compared the subjective activity from the mother and the friend and the two strangers.  What we were left with was the pure mother affect.”

In the women who were depressed, the photo of mother elicited a strong sadness response in the brain. The scans were able to predict depression in about 90 percent of the women.

The most pronounced brain changes were seen in the left anterior paracingulate gyrus, which coordinates sensory output with emotions.

“The area is involved in processing your affect and how you feel,” said Galynker.  “This is also the area that gets activated when you are in conflict or social interactions.”

“Our hypothesis is that the brains in people who were sad are activated more to a sad picture,” he said. “When you are depressed you interpret everything in a way that is sad.  The glass is always half empty.”

Galynker said this research is important, because it might one day lead to better diagnosis and would give therapists a new psychological tool to talk about the patient’s relationship with her mother.

Copyright 2012 ABC News Radio

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