A documentary, filmed shortly after the end of WW2, shot entirely in a US Army psychiatric hospital. Candidly shot, the film shows the mental casualties of war - soldiers with PTSD and other neurological issues: their symptoms, how they cope and, if they're lucky, how they are cured.
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A controversial work at the time, this film was suppressed by the United States government for over thirty years after it was produced. See more
I believe, in your profession, it's called 'Nostalgia'.
Referenced in The Master