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Professor Andrew Cowell and doctoral student Irina Wagner are part of an effort to save the Arapaho with the Arapaho Language Project. They fear Arapaho will fade away after the fluent elderly speakers are gone.

In 2011, 12 high-school girls in upstate New York began to exhibit strange neurological symptoms: tics, verbal outbursts, seizure-like activity and difficulty speaking. The diagnosis was “conversion disorder.”