Researchers Liberzon and Abelson at the University of Michigan have published an essay articulating a new way of conceptualizing what is happening in the brains of those with Posttraumatic Stress Disorder. While you can’t read their essay for free, you can read this good summary here.
What is their new theory? the neurobiological problem of PTSD is “disrupted context processing.” In simple terms, I fail to respond to the “stimulus” in its proper context when I am triggered by old experiences in a new setting. Even more simply, when I wake up on full alert in the middle of the night after smelling wood-smoke in my sleep I initially fail to recognize the context (my neighbor burns wood) and immediately think my house is on fire (as it once was). Thankfully, the alertness is less than it used to be and I don’t always get up to check on my house.
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