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To: DMaA who wrote (106592)	3/29/2005 10:36:17 PM
From: unclewest	Read Replies (1) \| Respond to of 793622

A set of standardized stimuli are given to the subject and the responses in the brain are compared to the responses of a normal person. Researchers believe certain patterns and or lack of a response can give diagnostic insight into the state of a person’s mind. I got some of that from the link. Frankly this is a new area of MRI for me that I just learned about today. The link explains that the MRI itself can now be used to create some stimulation...I read nothing to indicate it is electrical or even brain function stimulation. That info may be there, but I have not seen it...I plan to read more tonight. There is a lot at that link, but what I got so far is the MRI still basically primarily stimulates and reads water molecules. That is not a change. I don't yet see the relationship of that to evaluating brain function. Besides that, insight is not really what I'd be looking for. Definitive and precise diagnostic tools are what we need. I do know this area is not 100% precise medically speaking...at least not yet. They call it the practise of medicine because they practise on us. uw