All traumatic brain injuries are head injuries, but the latter term may also refer to injury to other parts of the head. However, the terms head injury and brain injury are often used interchangeably. Similarly, brain injuries fall under the classification of central nervous system injuries and neurotrauma.
Cook the split chicken breasts bone side down on the high heat side of the grill for about 6 - 7 minutes with the lid open. Using tongs, move the chicken back over to the cooler side of the grill and continue to grill bone side down for about 6 - 7 minutes longer with the lid closed.
After 2 to 4 minutes, lift the chicken breasts with tongs and flip them over. Grill for 2 more minutes and then rotate again 45 degrees to make our grill marks on this side. Continue grilling for another 2 to 4 minutes and you should be done!