Earth moved in the Chilean quake where the strain was highest. Richard A. Lovett A detailed analysis of Chile's February quake may help seisomologists to predict the severity of future termors.
Traumatic brain injury, or TBI, is a sudden trauma to the brain caused by force. A severe TBI can leave a person almost incapable of functioning. But even a mild TBI, a concussion, can lead to a range of debilitating symptoms.