At eight o'clock on a Saturday night in Las Vegas, Bruno was waiting in the big hall and heard thecrowd cheer when his name was announced. He walked down the aisle, climbed into the ring, andraised his gloved hands to greet the crowd. For about two hours of his time and effort, Bruno wasgoing to be paid five million dollars. Bruno had earneda reputation as being fast and strong andwas likely to be the next heavyweight boxing champion. In the frst two rounds, his punchesmatched his reputation. In the middle of the third round, Bruno caught an unexpected viciouspunch that snapped back his head. Before he knew what hit him, Bruno was lying on the mat,unconscious. Bruno never regained consciousness and remained in a coma. Now, many monthslater, Bruno's chances of coming out of the coma are very small because one part of his brain wasdamaged by the knockout punch.What part of Bruno's brain did the knockout punch damage?