Mystery Of Consciousness

After years of probing damaged brains, a neuroscientist defines the mind's awareness

Suddenly the man stopped, in midsentence, and his face lost animation; his mouth froze, still open, and his eyes became vacuously fixed. For a few seconds he remained motionless. I spoke his name, but there was no reply. Then he began to move a little, he smacked his lips, his eyes shifted to the table between us, he seemed to see a cup of coffee and a small metal vase of flowers; he must have because he picked up the cup and drank from it. I spoke to him again, and again he did not reply."

This incident occurred more than...

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