[ Dr. Holt's eyebrow raises, but otherwise his expression doesn't betray much of anything: not surprise or any other drastic emotions, at least. ]

Possessed? Well, I can't say it isn't a tempting theory. It would explain the abrupt recovery, I suppose, if whatever possessor was able to stave off the ill-effects of his head trauma while in his body. Could it be possible? I wouldn't know. When imPorts are involved, anything is possible.

He never seemed like a wholly different person, to me.