| http://www.w3.org/ns/prov#value | - The session was recorded by the Science Network (video and mp3 audio available) and you will find it below; the science presentations start at the 20-minute mark.Elizabeth Phelps of New York University began by describing the neurobiology of PTSD. In normal fear, there is this delicate balance between these brain systems that assures that fear is expressed when there is a real threat, but when the th
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