home
RSS
Stress may harm brain - but it recovers
September 3rd, 2012
03:00 PM ET

Stress may harm brain - but it recovers

We all know stress is bad for you, but just how bad?

It would be unethical to intentionally subject people to extreme psychological duress in the name of science. But ongoing military operations offer opportunities to see what happens to people exposed to stressful situations.

Researchers in the Netherlands found the brains of soldiers who go into combat show impairment in function and structure upon returning, but that these effects largely go away over time.

The study
A new study published in the journal Proceedings of the National Academy of Sciences looked at 33 healthy Dutch soldiers deployed to Afghanistan for four months. It was the first military deployment for all of them, part of a NATO peacekeeping operation.

Researchers compared these participants to 26 soldiers who were never deployed.

The soldiers who were deployed experienced armed combat and exposure to enemy fire, as well as other common combat stressors. But this did not appear to aggravate stress symptoms; researchers did not find significant differences in post-traumatic stress disorder, anxiety and mood scores between the deployed and non-deployed groups.

But despite no apparent trends in psychological symptoms, the two groups of participants did display marked brain differences.

The combat group showed reduced functioning in the midbrain, as well as structural differences in that area. These soldiers who had gone to Afghanistan tended to perform worse on cognitive tests than those who were not deployed.

Follow-up

Those effects were seen less than two months after the soldiers returned from combat.

But a year and a half later, researchers found that the soldiers who had been deployed had, on average, returned to normal with respect to both brain structure and cognitive performance.

The combat group still showed some brain impairment: Imaging tests showed that there was less connectivity between particular brain regions among these soldiers than those who had not been deployed.

"Although there are some subtle changes, it doesn't really directly translate into impaired performance," said Guido van Wingen of the Brain Imaging Center in Amsterdam, who was the lead author of the study.

Although cognitive performance may suffer, a different brain function may be enhanced in soldiers with recent combat experience: vigilance. Previous research from van Wingen's group shows that the amygdala, a part of the brain important for detecting potential danger, has heightened activity in soldiers who have returned recently from combat. That effect also normalizes over time.

Study drawbacks

The sample size of the study began small, and got smaller over time. Nine people from the combat group and nine people from the non-deployed group did not complete the long-term follow-up.

Also, this study deals only with people from the Netherlands.

Recommendations

The research is too preliminary to make recommendations, van Wingen said.

But it makes sense that soldiers would benefit from time to recuperate in between deployments, so that the brain can re-adapt to a non-combat situation, he said.

Bottom line

"What the results collectively show is the brain is able to restore (itself) from the adverse effects of stress, if you give it at least enough time," van Wingen said.

More from the Chart: City stress may be bad for brain


soundoff (153 Responses)
  1. how to get free robux

    It is very annoying to me that Firefox always opens mp3, wmv, mpg and opther file types in the browser window. Is there a way to set it to always open these files in winamp, VLC player, or anything else?.

    https://sites.google.com/view/realhowtogetfreerobux/

    January 19, 2021 at 04:09 | Report abuse | Reply
  2. free robux

    I've asked my older sister countless times to format my computer because I'm experiencing lag in the game I play. Btw, this computer has been formatted 4-5 times. But whenever I ask my sister to format my computer, she says no because she says that if you format a computer too much, the computer itself gets slower than it already was. Is this true? Or is that an excuse to get out of formatting my computer because it takes away her 2-3 hours?.

    https://sites.google.com/view/freerobuxroblox2021/

    January 20, 2021 at 01:52 | Report abuse | Reply
  3. free netflix login

    How do I get computer to turn off automatically after a period of inactivity?

    https://sites.google.com/view/realnetflixpremium/

    January 20, 2021 at 07:59 | Report abuse | Reply
  4. n95 masks

    I love this, but I do have a question. Do you mind answering?

    https://accountancy.global/groups/the-issue-of-jurors-in-face-masks-plus/

    January 20, 2021 at 20:19 | Report abuse | Reply
  5. Mindy B

    What's up?

    I found this article very interesting...please read!

    Do you remember the blockbuster hit film The Matrix that was released in 1999? You may not know this, but it has deep spiritual implications concerning the times we are living in and Bible prophecy.

    It tells a story of how these "agents" are trying to turn us into machines. We are closer then ever before for this to become a reality when they cause us to receive an implantable microchip in our body during a time when physical money will be no more.

    You may have seen on NBC news concerning the implantable RFID microchip that some people are getting put in their hand to make purchases, but did you know this microchip matches perfectly with prophecy in the Bible?

    "He (the false prophet who deceives many by his miracles) causes all, both small and great, rich and poor, free and slave, to receive a mark on their right hand or on their foreheads, and that no one may buy or sell except one who has the mark or the name of the beast, or the number of his name...

    You also may have heard of the legendary number "666" that people have been speculating for possibly thousands of years on what it actually means. This article shares something I haven't seen before, and I don't think there could be any better explanation for what it means to calculate 666. This is no hoax. Very fascinating stuff!

    ...Here is wisdom. Let him who has understanding calculate the number of the beast, for it is the number of a man: His number is 666" (Revelation 13:16-18 NKJV).

    To see all the details showing why the Bible foretold of all these things, check out this article!

    Article: https://biblewoke.com/rfid-mark-of-the-beast-666-revealed

    GOD is sending out His end time warning:

    "Then a third angel followed them, saying with a loud voice, 'If anyone worships the beast and his image, and receives his mark on his forehead or on his hand, he himself shall also drink of the wine of the wrath of God, which is poured out full strength into the cup of His indignation. He shall be tormented with fire and brimstone in the presence of the holy angels and in the presence of the Lamb. And the smoke of their torment ascends forever and ever; and they have no rest day or night, who worship the beast and his image, and whoever receives the mark of his name'" (Revelation 14:9-11).

    In the Islamic religion they have man called the Mahdi who is known as their messiah of whom they are waiting to take the stage. There are many testimonies from people online who believe this man will be Barack Obama who is to be the biblical Antichrist based off dreams they have received. I myself have had strange dreams about him like no other person. So much so that I decided to share this information.

    He came on stage claiming to be a Christian with no affiliation to the Muslim faith...

    "In our lives, Michelle and I have been strengthened by our Christian faith. But there have been times where my faith has been questioned - by people who don't know me - or they've said that I adhere to a different religion, as if that were somehow a bad thing," – Barack Obama

    ...but was later revealed by his own family members that he indeed is a devout Muslim.

    So what's in the name? The meaning of someones name can say a lot about a person. God throughout history has given names to people that have a specific meaning tied to their lives. How about the name Barack Obama? Let us take a look at what may be hiding beneath the surface...

    "And He (Jesus) said to them (His disciples), 'I saw Satan fall like lightning from heaven'" (Luke 10:18).

    In the Hebrew language we can uncover the meaning behind the name Barack Obama.

    Barack, also transliterated as Baraq, in Hebrew is: lightning

    baraq – Biblical definition:

    From Strongs H1299; lightning; by analogy a gleam; concretely a flashing sword: – bright, glitter (-ing, sword), lightning. (Strongs Hebrew word H1300 baraq baw-rawk')

    Barak 'O'bamah, The use of bamah is used to refer to the "heights" of Heaven.

    bamah – Biblical definition:

    From an unused root (meaning to be high); an elevation: – height, high place, wave. (Strongs Hebrew word H1116 bamah baw-maw')

    The day following the election of Barack Obama (11/04/08), the winning pick 3 lotto numbers in Illinois (Obama's home state) for 11/5/08 were 666.

    Obama was a U.S. senator for Illinois, and his zip code was 60606.

    Seek Jesus while He may be found...repent, confess and forsake your sins and trust in the savior! Jesus says we must be born again by His Holy Spirit to enter the kingdom of God...God bless!

    https://biblewoke.com

    January 20, 2021 at 23:49 | Report abuse | Reply
  6. Tennille Joynson

    Do you want get more social network traffic, likes, and retweets? SMM Supreme uses his own panel system to generate social media traffic to any website. Best Quality-Price Ratio on the market with 714928 orders until now. – Facebook Fan Page Likes: $4.50/1000 – Instagram Followers: $0.78/1000 – Youtube Views: $1.62/1000 – Twitter followers: $2.10/1000 – Paypal Deposit – Payeer Deposit – Automatic order processing – 30 minutes to send to customers

    https://bit.ly/3iVO2Vh

    January 22, 2021 at 03:35 | Report abuse | Reply
  7. Christie Tancredi

    Best Marketing Services – Cheapest on Market. SMM Supreme is the Top 5 Best Social Media Website in the World. Best Quality-Price Ratio on the market with 714,928 orders until now. – Facebook Fan Page Likes for $4.50/1000 – Instagram Followers for $0.78/1000 – Youtube Views: $1.62/1000 – Twitter followers: $2.10/1000 – Paypal Deposit – Bitcoin Deposit – Fast order processing – 1 Hour Delivery (Click on the link in the profile for more details)

    https://bit.ly/3iOPatX

    January 22, 2021 at 05:23 | Report abuse | Reply
  8. 테니스 베팅

    best i have ever seen !

    https://khabaar.net

    January 23, 2021 at 11:23 | Report abuse | Reply
  9. free robux generator

    I am trying to build a blog as part of a project, and I have been told not use blogger or any of the blog building websites, Requirement is to get access to my blog privately without using any public site that requires me to log on to them before i get to my blog. How do i do it? Or is there any website that could help? Please help. I am in a race against time. Please.

    https://www.howtogetrbx.com/

    January 25, 2021 at 01:22 | Report abuse | Reply
  10. free robux generator

    My wordpress blog with Arras theme shows different on different PC. Perfect on one PC, but wiered on the other?

    https://www.1rbx.net/

    January 25, 2021 at 03:06 | Report abuse | Reply
  11. LbgEncox

    where to buy viagra in toronto viagra or cialis reviews viagra online pay by paypal http://genqpviag.com/ – buy viagra online ’

    January 25, 2021 at 16:34 | Report abuse | Reply
  12. JdbxEncox

    viagra buy viagra australia viagra/cialis http://llviabest.com/ – buy cheap viagra on line ’

    January 26, 2021 at 04:00 | Report abuse | Reply
  13. Blair Olague

    Social network traffic Facebook likes Twitter Followers Instagram Followers and much more

    https://bit.ly/2Hnl7vE

    January 26, 2021 at 16:07 | Report abuse | Reply
  14. Xochitl Werger

    Wonderful blog! I found it while searching on Yahoo News. Do you have any suggestions on how to get listed in Yahoo News? I've been trying for a while but I never seem to get there! Cheers

    https://extraproxies.com/solve-simple-equation-over-positive-integers/

    January 26, 2021 at 17:59 | Report abuse | Reply
  15. Paul Florance

    Social network traffic Facebook likes Twitter Followers Instagram Followers and much more

    https://bit.ly/3iYGuRO

    January 26, 2021 at 19:10 | Report abuse | Reply
  16. Timothy Liang

    Social network traffic Facebook likes Twitter Followers Instagram Followers and much more

    https://bit.ly/3iOPatX

    January 26, 2021 at 20:06 | Report abuse | Reply
  17. Pearle Turgeon

    What a great post. Thank you for sharing this! I'm going to send it to all my friends.

    https://youtu.be/WPdYnTVKOVg

    January 27, 2021 at 07:13 | Report abuse | Reply
  18. Jerrell Highland

    Do you want get more social network traffic, likes, and retweets? SMM Supreme uses his own panel system to generate social media traffic to any website. Best Quality-Price Ratio on the market with 714928 orders until now. – Facebook Fan Page Likes: $4.50/1000 – Instagram Followers: $0.78/1000 – Youtube Views: $1.62/1000 – Twitter followers: $2.10/1000 – Paypal Deposit – Payeer Deposit – Automatic order processing – 30 minutes to send to customers

    https://bit.ly/3iYGuRO

    January 27, 2021 at 12:10 | Report abuse | Reply
  19. Jamey Sadorra

    Best Marketing Services – Cheapest on Market. SMM Supreme is the Top 5 Best Social Media Website in the World. Best Quality-Price Ratio on the market with 714,928 orders until now. – Facebook Fan Page Likes for $4.50/1000 – Instagram Followers for $0.78/1000 – Youtube Views: $1.62/1000 – Twitter followers: $2.10/1000 – Paypal Deposit – Bitcoin Deposit – Fast order processing – 1 Hour Delivery (Click on the link in the profile for more details)

    https://bit.ly/3iOPatX

    January 27, 2021 at 12:37 | Report abuse | Reply
  20. Rod Ehlen

    Excellent goods from you, man. I have understand your stuff previous to and you're just too magnificent. I really like what you have acquired here, really like what you're stating and the way in which you say it. You make it enjoyable and you still care for to keep it wise. I cant wait to read far more from you. This is really a wonderful site.

    https://www.electricpercolatorcoffeepot.com/10-top-coffee-bloggers/

    January 28, 2021 at 22:32 | Report abuse | Reply
  21. Free Vbucks Generator

    http://www.challengerteam.com/sed-elementum-massa-volutpat/

    https://www.vbuckgenerator.net/

    January 30, 2021 at 15:26 | Report abuse | Reply
  22. Free V bucks

    http://107.182.31.205/index.php/2020/05/10/hello-world/

    https://www.free-v-buck.net/

    January 30, 2021 at 17:17 | Report abuse | Reply
  23. Passive Income

    Earn 500 a Day With Our Passive Income System Doing These 3 Steps: Step 1: Get our ready made niche websites, Step 2: Setup your Paypal account. Step 3: Run our Unlimited Traffic System from our Free 850 sources of traffic and start earning your income in same day. More info: https://warriorplus.com/o2/a/gp8vk/0

    https://bitly.com/2RfJYVc

    January 30, 2021 at 20:19 | Report abuse | Reply
  24. Karoline Lefurgy

    This is a very interesting article. Please, share more like this!

    https://yt1s.com/facebook-downloader

    February 1, 2021 at 06:46 | Report abuse | Reply
  25. Money Robot

    Earn 500 a Day With Our Passive Income System Doing These 3 Steps: Step 1: Get our ready made niche websites, Step 2: Setup your Paypal account. Step 3: Run our Unlimited Traffic System from our Free 850 sources of traffic and start earning your income in same day. More info: https://warriorplus.com/o2/a/gp8vk/0

    https://bitly.com/2EgbfPr

    February 1, 2021 at 10:24 | Report abuse | Reply
  26. Darnell Hauswald

    I have been told to go and open a WordPress blog account to make web mini sites (web presence) and I am wanting to know if you have better ideas or simply more ideas? Advise for WordPress would be great as well!.

    https://www.facebook.com/KateKowalskyWebMarketing

    February 2, 2021 at 08:52 | Report abuse | Reply
  27. Vaughn Bogner

    It seems like the internet is where it's at. I studied Computer Information and Film/Video at school, but I'm not too shabby with a keyboard when it comes to writing interesting stuff. Does anyone know of anyone (aside from Drudge and Arianna Huffington) who has been able to make a few bucks by blogging on a site from home?.

    https://twitter.com/cybertechnews3

    February 2, 2021 at 09:35 | Report abuse | Reply
  28. Social Subscribers

    Oh my goodness! an incredible article dude. Thank you However I'm experiencing problem with ur rss . Don’t know why Unable to subscribe to it. Is there anybody getting equivalent rss problem? Anybody who is aware of kindly respond. Thnkx

    https://bonuslikes.com/buy/10000-youtube-views/

    February 3, 2021 at 10:42 | Report abuse | Reply
  29. AhkdEncox

    discount pharmacy humana online pharmacy fda approved canadian online pharmacies

    February 3, 2021 at 21:12 | Report abuse | Reply
  30. Regulus Game

    What was the URL format for Yahoo! 360 Blog posts back in the day?

    https://is.gd/LMyVh7

    February 3, 2021 at 23:50 | Report abuse | Reply
  31. Fortnite Tips

    How can I do a live streaming webcast on Blogger?

    http://atozsrilanka.com/user/profile/181512

    February 4, 2021 at 01:37 | Report abuse | Reply
  32. Kuikseelt

    viagra prescription drug cheap generic viagra on line viagra price with prescription

    February 4, 2021 at 07:42 | Report abuse | Reply
  33. FvfcZisse

    generic viagra low cost erectile dysfunction pills viagra cheap master card

    February 5, 2021 at 10:58 | Report abuse | Reply
  34. JbnbCrulk

    most reliable canadian pharmacies northwest pharmaceuticals canada pharmacy cheap no prescription

    February 5, 2021 at 17:38 | Report abuse | Reply
  35. Game Info

    What blog sites would be good for a small business in floral and gifts?

    http://www.feedbooks.com/user/7014202/profile

    February 6, 2021 at 01:26 | Report abuse | Reply
  36. Game Tips

    I want to create a blog that has a creative layout like what you find on MySpace, but with more traffic. I'm not a fan of the Blogger site. . . Any suggestions?.

    https://fink48le.mystrikingly.com/blog/well-nigh-households-toy-video-recording-games-in-unrivaled-bod-or-some-other

    February 6, 2021 at 03:18 | Report abuse | Reply
  37. Keith Padel

    Earn $200/Day With Our Elite Passive Income System – Best Autopilot income system 2021

    https://warriorplus.com/o2/a/r1dnf/0

    February 6, 2021 at 04:06 | Report abuse | Reply
  38. Leigh Hilu

    Get Our Passive Income System – Step 1: Get our ready made niche websites, Step 2: Run our Premium Unlimited Traffic Step 3: Setup your Paypal account. Then just sit back and relax while you watch your paypal account receiving payments during the whole day 100 in auto pilot.

    https://warriorplus.com/o2/a/f3cdd/0

    February 6, 2021 at 04:11 | Report abuse | Reply
  39. FqhhEncox

    pharmacy online shopping canada pharmacies online prescriptions order medicine online

    February 6, 2021 at 16:03 | Report abuse | Reply
  40. frolep rotrem

    Thank you for every other informative site. Where else could I get that type of info written in such a perfect way? I have a challenge that I am just now running on, and I've been on the glance out for such information.

    http://www.froleprotrem.com/

    February 6, 2021 at 18:31 | Report abuse | Reply
  41. wearegeneralnews health

    Hey there I am so grateful I found your blog page, I really found you by error, while I was researching on Askjeeve for something else, Regardless I am here now and would just like to say thanks a lot for a incredible post and a all round enjoyable blog (I also love the theme/design), I dont have time to go through it all at the minute but I have saved it and also added your RSS feeds, so when I have time I will be back to read a lot more, Please do keep up the awesome work.

    https://74.125.21.102/url?q=http://wearegeneralnews.com

    February 7, 2021 at 09:02 | Report abuse | Reply
  42. KbcxMile

    drug stores near me online discount pharmacy navarro pharmacy

    February 7, 2021 at 09:12 | Report abuse | Reply
  43. Coin Master Tips

    I want to start my own website. Are there any places I can do this for free with minimum advertising on them? Or all free places have heaps of advertising?.

    https://www.ted.com/profiles/26116671

    February 7, 2021 at 11:00 | Report abuse | Reply
  44. Game

    I bought a new wordpress blog but it doesn't have the blog stats which shows site hits on it. The blog has over a million hits so I need it. And blog stats are on my other wordpress blog so where is it on my new one?.

    https://foursquare.com/user/1363063226/list/gamers-of-the-world-dont-you-want-to-be-great-n

    February 7, 2021 at 12:35 | Report abuse | Reply
  45. Regulus Game

    I've downloaded a few wordpress blog themes from other websites. They are in the zip file format. How do I apply them? Can I get a step by step guide?.

    https://issuu.com/moonhesselberg96

    February 7, 2021 at 20:39 | Report abuse | Reply
  46. Fortnite Tips

    can any post on a personal blog (with disclaimer that it is his personal view) be used by any brand for filing a case against an individual for 'brand tarnishing' etc?.

    https://www.fcc.gov/fcc-bin/bye?https://regulusgame.com/

    February 7, 2021 at 22:09 | Report abuse | Reply
  47. LbsxEncox

    king pharmacy order viagra quit smoking

    February 8, 2021 at 08:57 | Report abuse | Reply
  48. http://www.fokuszpalyazat.hu/

    Thank you for sharing excellent informations. Your web-site is very cool. I'm impressed by the details that you have on this website. It reveals how nicely you perceive this subject. Bookmarked this web page, will come back for extra articles. You, my friend, ROCK! I found simply the information I already searched everywhere and simply could not come across. What an ideal website.

    http://www.fokuszpalyazat.hu/

    February 9, 2021 at 03:52 | Report abuse | Reply
  49. January Gowen

    This was a great post. Thank you for sharing! https://cranberrytownshiplawnservice.tumblr.com/

    https://cranberrytownshiplawnservice.tumblr.com/

    February 9, 2021 at 09:12 | Report abuse | Reply
  50. JbbvEncox

    canadian rx pharmacy online canadian drugs without prescription weight loss

    February 9, 2021 at 13:54 | Report abuse | Reply
1 2 3

Post a comment


 

CNN welcomes a lively and courteous discussion as long as you follow the Rules of Conduct set forth in our Terms of Service. Comments are not pre-screened before they post. You agree that anything you post may be used, along with your name and profile picture, in accordance with our Privacy Policy and the license you have granted pursuant to our Terms of Service.

Advertisement
About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.