Scenes from “A Beautiful Mind” flicker on the screen in Zach Kennelly’s Advanced Placement Psychology class at DSST College View in southwest Denver.

The main character, economist and mathematician John Nash, is talking about his paranoid delusions. Every few minutes, Kennelly stops the film and students identify the symptoms of schizophrenia they’re seeing.

“Some delusions, the stress, his emotional unpredictability, the rage, and how he was seeing things other people weren’t seeing,” said one student.

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