I am a photographer/artist who has PTSD. I have thought of doing work about it and bringing it "out of the closet" but right now, I am still struggling to get my symptoms under control (if that is possible!). I applaud your interest in this serious subject, however, like the others, I feel the need for some privacy. If I am in control of the project, I think I would be more likely to participate! I was just reading an article on PTSD and this caught my eye, and may help you understand the problem you may face. I cannot speak to the medical jargon, but the underlined phrase is right on with my experience...just to give you an idea of where we are coming from.
"In PTSD, the normal checks and balances on amygdala activation have been impaired, so that the restraining influence on the amygdala of the medial prefrontal cortex (PFC, especially the anterior cingulate gyrus and orbitofrontal cortex) is severely disrupted (2,3). Disinhibition of the amygdala produces a vicious spiral of recurrent fear conditioning, in which ambiguous stimuli are more likely to be appraised as threatening..."
Online page Source: National Center for PTSD, US Dept of Veterans Affairs, page name: Pharmacological Treatment of Acute Stress Reactions: A Neurobiological Systems Approach (sorry, could not post link, as I am new member).
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