He Knows His Name

Over the past few days Luke has developed a new skill, he knows his name. I'm not sure when he learned it but the first time I noticed was a few nights ago while I was feeding him. He was off staring into space and I said "Luke" off to his side. His head turned, his eyes immediately made contact to mine, and he held his gaze for a few seconds. After a few seconds Luke went back to Normal. A few minutes later I said something else in the same tone of voice and he didn't respond. Finally I said Luke's name again and was greeted with the same reaction as the first test.