But on the other hand, the anxieties, the trauma, what we call an acute stress disorder, even post-traumatic stress symptoms, can occur.

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As importantly, though, the artist has to be able to withstand the emotional trauma of seeing violence at first hand.

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On the other hand, it is absolutely true that head trauma -- when severe -- can completely change a person's ability to think, feel and accurately perceive reality.

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As a downtown NY-er, I learned first hand that the experience of the actors in a trauma is very different from those who are witnesses.

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Attorneys representing Lewis and Levens accuse the league of having used a "hand-picked committee of physicians" to misrepresent evidence of the effects of head trauma, particularly concussions.

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