A new MRI study has found distinct injury patterns in the brains of people with concussion-related depression and anxiety, according to a new study published online in the journal Radiology. The findings may lead the way to improved treatment and understanding of these common disorders, researchers said.

Post-concussion psychiatric disorders like depressionanxiety and irritability can be extremely disabling for those among the nearly 3.8 million people in the United States who suffer concussions every year. The mechanisms underlying these changes after concussion—also known as mild traumatic brain injury—are not sufficiently understood, and conventional MRI results in most of these patients are normal.

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