Simply way to test coma patients' degree of consciousness

Who would have guessed that there was such a simple way to test the consciousness of someone in a coma? A team of Belgium researchers found that people who resist having their eyes opened by someone's fingers have some level of consciousness. In other words, it's not a completely involuntary reflex. It's considered a deliberate defense. The head researcher said that even those originally believed to be in a vegetative state showed higher levels of consciously through this response. He points out that family and nurses can do this daily as patients don't always stay at a set level of consciousness from day to day. He said it could be a clue as to whether an otherwise unresponsive patient needs more pain meds or has been prematurely abandoned either emotionally or medically. Here's the study:

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