Thursday, May 24, 2012

Brain shrinkage in Japanese tsunami survivors with PTSD

Survivors of last year's Japanese tsunami who have PTSD from the disaster experienced a shrinking of their orbitofrontal cortex -- that's the part of the brain that is involved in decision-making and the regulation of emotion.

Brain shrinkage seen in Tohoku PTSD cases | The Japan Times Online

This is just the most recent evidence that shows PTSD is a very real, physical injury.


  1. One cannot tell from this whether the injury causes symptoms, or whether chemical changes from PTSD cause the shrinkage.

    My educated opinion is the latter sets up a negative feedback loop that makes those areas underused. Brain tissue that is not used shrinks (actually the neurons are affected).

    Shrinkage of the orbitofrontal cortex does not necessarily result in PTSD.


  2. Two problems with that opinion. First, not all cases of PTSD are accompanied by a TBI or other injury. Certainly there is a correlation with certain types of trauma, such as those experienced in combat, assault or MVAs. But long-term occupational stressors such as nurses, social workers and EMTs experience can also cause PTSD without an accompanying physical injury.
    Also, PTSD doesn't simply cause brain structures to become hypoactive. Some do (such as the hippocampus) but others, such as the mid anterior cingulate cortex and the amygdala actually become hyperactive after a trauma that results in the development of PTSD.
    I agree that it is probably chemical changes that result in the structural differences but it's not as simple as a negative feedback loop. There is also evidence that people naturally born with smaller hippocampuses are more likely to develop PTSD.

    Herpes is a serious and recurring condition that cannot be cured by drugs or injections by USA Doctors. But the best way to fight and get rid of herpes virus permanently is to take natural herbal remedies, I red about DR JAMES, the great herbal Doctor, who cures people of HIV virus with his powerful herbal medicine. I contacted him to find out how he could help me and he told me never to be worried that he would help me with the natural herbs medicine! After 2 days of contacting him he told me the medicine is ready and he sent it to me via DHL COURIER SERVICE and it got me in 3 days! I used the medication as he prescribed for me (MORNING and EVENING) and I was cured! It's really like a dream, but I'm so happy! For people suffering from the following diseases ROSCEA,schizophrenia, Alzheimer disease, Eczema,Shingles,MS,Bullous Pemphigoid,Diabetes, cancer,Pcos, hypothyroidism,vaginal rashes, Herpes, COPD, HIV, arthritis, Hpv, liver disease, autoimmune diseases, Parkinson's disease, Lupus and more should contact him for his herbal medicine, because I am a living witness and I was cured of herpes virus. and DR James medicine is legitimate. I sent him what he asked for and he sent me his medication which I took for 2 weeks and today I am here with a negative result. When I went for the test, I was so happy after I took his herbal mix medicine.CONTACT DR JAMES FOR A PERMANENT CURE Email:
    He's a good man and he will help you