Navigation Links
Researchers discover method to objectively identify PTSD
Date:1/20/2010

MINNEAPOLIS / ST. PAUL (January 20, 2010) Researchers at the University of Minnesota and Minneapolis VA Medical Center have identified a biological marker in the brains of those exhibiting post-traumatic stress disorder (PTSD).

A group of 74 United States veterans were involved in the study, which for the first time objectively diagnoses PTSD using magnetoencephalography (MEG), a non-invasive measurement of magnetic fields in the brain. It's something conventional brain scans such as an X-ray, CT, or MRI have failed to do.

The ability to objectively diagnose PTSD is the first step towards helping those afflicted with this severe anxiety disorder. PTSD often stems from war, but also can be a result of exposure to any psychologically traumatic event. The disorder can manifest itself in flashbacks, recurring nightmares, anger, or hypervigilance.

With more than 90 percent accuracy, researchers were able to differentiate PTSD patients from healthy control subjects (250 people with clean mental health) using the MEG. All behavior and cognition in the brain involves networks of nerves continuously interacting these interactions occur on a millisecond by millisecond basis. The MEG has 248 sensors that record the interactions in the brain on a millisecond by millisecond basis, much faster than current methods of evaluation such as the functional magnetic resonance imaging (fMRI), which takes seconds to record.

The measurements recorded by the MEG represent the workings of tens of thousands of brain cells. This recording method allowed researchers to locate unique biomarkers in the brains of patients exhibiting PTSD.

The findings are published January 20 in the Journal of Neural Engineering and led by Apostolos Georgopoulos, M.D., Ph.D., and Brian Engdahl., Ph.D. both members of the Brain Sciences Center at the Minneapolis VA Medical Center and University of Minnesota.

"These findings document robust differences in brain function between the PTSD and control groups that can be used for differential diagnosis and which possess the potential for assessing and monitoring disease progression and effects of therapy," Georgopoulos said.

Besides diagnosing those with PTSD, the researchers also are able to judge the severity of how much they are suffering, which means the MEG may be able to be used to gauge the how badly patients are impacted by other brain disorders.

It is likely that the study will be replicated and administered to a larger group to assure the accuracy of its results.

This work, specifically on detecting post-traumatic stress disorder, follows success in detecting other brain diseases, such as Alzheimer's and multiple sclerosis, using MEG, as reported in September 2007.


'/>"/>

Contact: Nick Hanson
hans2853@umn.edu
612-624-2449
University of Minnesota
Source:Eurekalert

Related medicine news :

1. Researchers find a treatment for deadly brain tumor
2. Researchers find new insights into inherited retinal disease
3. Pitt researchers raise concern over frequency of surveillance colonoscopy
4. Stress triggers tumor formation, Yale researchers find
5. Johns Hopkins researchers say vaccine appears to mop up leukemia cells Gleevec leaves behind
6. St. Johns wort not helpful treatment for irritable bowel syndrome, Mayo Clinic researchers say
7. Young hunters most likely to be injured using tree stands, say UAB researchers
8. Researchers find clues to why some continue to eat when full
9. Researchers find new patterns in H1N1 deaths
10. Researchers discover gene therapy to prevent progression of emphysema
11. Researchers at the John Theurer Cancer Center Present Cutting-Edge Research Results at this Years American Society of Hematology Annual Meeting
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/25/2016)... ... , ... "With 30 hand-drawn hand gesture animations, FCPX users can easily customize ... Pixel Film Studios. , ProHand Cartoon’s package transforms over 1,300 hand-drawn pictures into ... Simply select a ProHand generator and drag it above media or text in the ...
(Date:6/25/2016)... Oklahoma City, Oklahoma (PRWEB) , ... June 25, ... ... to helping both athletes and non-athletes recover from injury. Recently, he has implemented ... for the Oklahoma City area —Johnson is one of the first doctors to ...
(Date:6/24/2016)... Angeles, CA (PRWEB) , ... June 24, 2016 , ... ... surgery procedures that most people are unfamiliar with. The article goes on to state ... procedures, but also many of these less common operations such as calf and cheek ...
(Date:6/24/2016)... (PRWEB) , ... June 24, 2016 , ... Marcy was in a crisis. Her son ... lash out at his family verbally and physically. , “When something upset him, he couldn’t ... would use it. He would throw rocks at my other children and say he was ...
(Date:6/24/2016)... ... June 24, 2016 , ... Dr. Amanda Cheng, an ... Dr. Cheng has extensive experience with all areas of orthodontics, including robotic Suresmile ... orthodontics. , Micro-osteoperforation is a revolutionary adjunct to orthodontic treatment. It can ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... CHAPEL HILL, N.C. , June 24, 2016 ... in healthcare decisions and regulators/payers have placed more ... this new environment, patient support programs in the ... support for patients, medications. Consequently, pharmaceutical companies are ... to ensure they are providing products and services ...
(Date:6/24/2016)... CAMBRIDGE, Mass. , June 24, 2016 /PRNewswire/ ... the Spaulding Rehabilitation Network,s Dean Center for ... of Physical Medicine and Rehabilitation, MIT Hacking Medicine, ... Center for Innovation, today announced the five finalists ... Hackathon for Lyme disease.  More than 100 scientists, ...
(Date:6/24/2016)... 2016 The Academy of Managed Care Pharmacy ... that would allow biopharmaceutical companies to more easily share ... formulary and coverage decisions, a move that addresses the ... The recommendations address restrictions in the sharing ... drug label, a prohibition that hinders decision makers from ...
Breaking Medicine Technology: