Using sophisticated techniques and special blast gauge sensors, the INVICTA study looks both at service members and their training instructors, monitoring them at specific interludes to determine immediate aftermath effects, as well as the effects of long-term exposure on the brain for those instructors who administer six heavy weapons courses a year.  These measurements will tell the research team what SEALs are exposed to during training, and how long it takes before their brain health returns to normal.

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