Thin Brains and Depression
by Sunita Reed |
May 28th, 2009 |
Published in
All, Brain & Psychology, Featured, Health
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[If you cannot see the flash video below, you can click here for a high quality mp4 video.]
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Interviewees: Cynthia Amberg, Suffered from depression, |
Scanning For Depression
"The depressed person was in terrible and unceasing emotional pain, and the impossibility of sharing or articulating this pain was itself a component of the pain and a contributing factor in its essential horror."
-opening line from "The Depressed Person" by David Foster Wallace
Though an excerpt from a work of fiction, that sentiment is all too real for people like 69-year-old artist Cynthia Amberg. Like her mother, Amberg experienced her first episode of depression after her second child was born. Normally exuberant, she says in that dark time she could barely get herself out of bed.
“It was a hell worse than anything I could ever adequately describe to someone who hasn’t suffered from it,” says Amberg.
Depression is a subject many people are reluctant to talk about openly, but Amberg wants people to know that they don’t need to be ashamed that they have it. She got counseling and medication, and is better able to deal with the depression that she learned often runs in families. She now only checks in periodically with Patrick McGrath, a psychiatrist with affiliations at both Columbia University Medical Center and New York State Psychiatric Institute who monitors her health and her medication. Since the ’90s Amberg has rarely been depressed.
Now McGrath’s colleague, child psychiatrist Bradley Peterson, has found new clues as to why people with a family history of depression are at high risk for developing it themselves. Together with epidemiologist Myrna Weissman, they led a brain study of people with and without a family history of depression.
The subjects, who ranged in age from six to 54 years old, had their brains scanned in a functional magnetic resonance scanner, or fMRI. The researchers compared the thickness of the brain’s outer layer, called the cortex, in both groups. They found a striking difference. People with the family history had cortexes that were an average of 28 percent thinner on the right side.
“It went all the way from the back of the brain to the front of the brain in regions that are involved in spatial processing, emotional processing, social processing, planning and execution of behavior," explains Peterson. "It was really very, very prominent.”
Also on ScienCentral |
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Undoing Depression |
But the difference in thickness did not correlate with whether or not the subjects themselves had actually experienced depression. That’s where the next piece of the puzzle fits in. It turns out that the people who experienced depression not only had thinning in the right side but they also had thinning in the left side.
“That seems to tip you over from having a vulnerability into having overt symptoms and illness,” says Peterson.
But there’s more to the right side cortical thinning. The researchers also conducted tests on social memory and social attention, such as how well the subjects could remember faces or scenes around a dinner table. They found that people with cortical thinning on the right side scored lower on these tests.
“We think ultimately that’s what predisposes people to being vulnerable to developing depression– is that you have these problems with attention and memory for social stimuli,” says Peterson. “And that kind of cuts you off or leaves you disconnected a bit and not processing emotions and social relationships very well.”
Peterson says this pattern of thinning is distinct from that of other disorders such as Alzheimer’s disease and schizophrenia. He is hopeful that further research will lead to more customized treatments for depression and ultimately ways to prevent it altogether. However, Peterson cautions that at this stage, this type of brain scan is still in the experimental stage.
Peterson hopes that this kind of research will also change the way mental disorders are perceived by some.
“There’s still enormous stigma attached to them and to having them— and even having family members who have them," says Peterson. “And it really is unfortunate. It’s terrible because there are many other brain disorders that we don’t hold people accountable for—having Parkinson’s, or Huntington’s, or epilepsy. But all too often society does hold people accountable for having a psychiatric illness. And they ought not to because this is as biologically based as those other conditions.”
PUBLICATION: Proceedings of the National Academy of Sciences, April 14, 2009
RESEARCH FUNDED BY: National Institute of Mental Health, National Alliance for Research in Schizophrenia and Affective Disorders, National Institute on Drug Abuse, the Sackler Institute at Columbia University, and the Suzanne Crosby Murphy Endowment at Columbia University
Transluscent Brain Animation: Courtesy iStockphoto
Elsewhere on the Web:
Information on depression -from National Institute of Mental Health
Information for children on depression -from Kids Health
Drug options for depression -from WebMD
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July 27th, 2009 at 12:05 pm (#)
its amazing family depresion its bcz all familly may hve such thinnesr sid either by left side brain or righ side brain
August 24th, 2009 at 11:10 pm (#)
child depression…
Your topic Causes of Eating Disorders in Teens, Anxiety and Depression was interesting when I found it on Tuesday searching for child depression…
November 19th, 2009 at 7:57 pm (#)
It is against a question of Gens vs. Coinage.
As I saw this video, I thought: OMG, when you have less brain, then you are predestinated to have depressions!
It sounds so definitv!! Kind of, you have then no chance against it at all!
But 30 years ago, when you were diagnosticed positiv for cancer, you thought the same!
Today we know, that cancer patients that starts enjoying their life (after such a diagnose), start to recover because there is a crucial change in the state of mind in these patients. They start seeing life as a positive experience. So, maybe there is a positiv molecular feedback, that enables you to control the growth of the mass of your brain, when you are happy.
Think about that!
May 1st, 2010 at 10:34 am (#)
Anxiety and depression is one hell of a nasty disease. even if you have everything but if you have clinical depression, you are still nothing.`,*
May 7th, 2010 at 6:40 pm (#)
psychology anxiety…
I’m convinced you think what you say here, however, I’m confident there are many people who will disagree with it….
June 26th, 2010 at 4:23 pm (#)
U GET WHAT U THIK U HAVE …SO JUST GO THRU THIS ARTICLES DONT THINK THAT U HAVE ONE …THAT WILL EVENTUALLY GET U BETTER …
IF GOD WILLS
July 10th, 2010 at 8:05 am (#)
anxiety and depression are hard to treat if the patient has not been checked for years.*:,
February 28th, 2011 at 10:54 am (#)
if scientists ceased torturing animals such as mice being forced to endure stupid noises, we may get to grips with depression. how many animals suffer from depression? people cause depression not mice.!!!!!
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Now hold on here! Did I hear her said (in the video) that they are looking at ways to possibly scrape away some of someones brain to aid in that person memory loss and to end anxiety and depression? LOBOTOMY:surgical severing of certain nerve fibers in the frontal lobe of the brain, once commonly performed to treat intractable depression. A technique formerly used to treat certain psychiatric disorders but now rarely performed.I WONDER WHY IT IS NOT?
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A question to be answered remains…is this thinning of the left side genetically or enviorenmentally induced? Also, meassuring the increase of this side thickness may be used to meassure psyquiatric therapy effects.
For funding, research and peer finding please refer to the non-profit Aging Portfolio.
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